diff --git a/doc/user/stored-procedures.xml b/doc/user/stored-procedures.xml
index 892a609820c1cf9941b08e3cf869a38bda9d7547..fafabee32da4478f2d85033f97f31838fc4fd8fe 100644
--- a/doc/user/stored-procedures.xml
+++ b/doc/user/stored-procedures.xml
@@ -2720,7 +2720,7 @@ for instructions about defining triggers for connect and disconnect events
The channel is garbage collected when no one is using it, as with any
other Lua object.
Object-oriented and functional APIs are equivalent, so <code>channel:put(message)</code>
- is the same as <code>box.ipc.channel.put(channel, message)</code>.
+ is the same as <code>channel:put(channel, message)</code>.
</para>
<variablelist xml:id="box.ipc">
<para>
@@ -2740,11 +2740,11 @@ for instructions about defining triggers for connect and disconnect events
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.put(<replaceable>channel, message[, timeout]</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:put(<replaceable>channel, message[, timeout]</replaceable>)</emphasis></term>
<listitem>
<para>
Send a message using a channel. If the channel is full,
- <code>box.ipc.channel.put()</code>
+ <code>channel:put()</code>
blocks until there is a free slot in the channel.
</para>
<para>
@@ -2754,17 +2754,28 @@ for instructions about defining triggers for connect and disconnect events
Returns: If <code>timeout</code> is provided,
and the channel doesn't become empty for the duration
of the timeout,
- <code>box.ipc.channel.put()</code>
+ <code>channel:put()</code>
returns false. Otherwise it returns true.
</para>
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.get(<replaceable>channel[, timeout]</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:close()</emphasis></term>
+ <listitem>
+ <simpara>
+ Close the channel. All waiters in the channel will be
+ woken up. All following <code>channel:put()</code>
+ or <code>channel:get()</code> operations will return
+ an error (nil).
+ </simpara>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><emphasis role="lua">channel:get(<replaceable>channel[, timeout]</replaceable>)</emphasis></term>
<listitem>
<para>
Fetch a message from a channel. If the channel is empty,
- <code>box.ipc.channel.get()</code>
+ <code>channel:get()</code>
blocks until there is a message.
</para>
<para>
@@ -2774,18 +2785,18 @@ for instructions about defining triggers for connect and disconnect events
Possible errors: If <code>timeout</code> is provided,
and there are no new messages for the duration
of the timeout,
- <code>box.ipc.channel.get()</code>
+ <code>channel:get()</code>
returns error.
</para>
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.broadcast(<replaceable>channel, message, timeout</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:broadcast(<replaceable>channel, message, timeout</replaceable>)</emphasis></term>
<listitem>
<para>
- If the channel is empty, <code>box.ipc.channel.broadcast()</code> is equivalent to
- <code>box.ipc.channel.put()</code>.
- Otherwise, <code>box.ipc.channel.broadcast()</code> sends the message to all readers of the
+ If the channel is empty, <code>channel:broadcast()</code> is equivalent to
+ <code>channel:put()</code>.
+ Otherwise, <code>channel:broadcast()</code> sends the message to all readers of the
channel.
</para>
<para>
@@ -2794,7 +2805,7 @@ for instructions about defining triggers for connect and disconnect events
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.is_empty(<replaceable>channel</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:is_empty(<replaceable>channel</replaceable>)</emphasis></term>
<listitem>
<para>
Check whether the specified channel is empty (has no messages).
@@ -2808,7 +2819,7 @@ for instructions about defining triggers for connect and disconnect events
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.is_full(<replaceable>channel</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:is_full(<replaceable>channel</replaceable>)</emphasis></term>
<listitem>
<para>
Check whether the specified channel is full.
@@ -2822,11 +2833,11 @@ for instructions about defining triggers for connect and disconnect events
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.has_readers(<replaceable>channel</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:has_readers(<replaceable>channel</replaceable>)</emphasis></term>
<listitem>
<para>
Check whether the specified channel is empty and has readers waiting
- for a message (because they have issued <code>box.ipc.channel.get()</code> and then
+ for a message (because they have issued <code>channel:get()</code> and then
blocked).
</para>
<para>
@@ -2838,11 +2849,11 @@ for instructions about defining triggers for connect and disconnect events
</listitem>
</varlistentry>
<varlistentry>
- <term><emphasis role="lua">box.ipc.channel.has_writers(<replaceable>channel</replaceable>)</emphasis></term>
+ <term><emphasis role="lua">channel:has_writers(<replaceable>channel</replaceable>)</emphasis></term>
<listitem>
<para>
Check whether the specified channel is full and has writers waiting
- (because they have issued <code>box.ipc.channel.put()</code> and then blocked
+ (because they have issued <code>channel:put()</code> and then blocked
due to lack of room).
</para>
<para>
@@ -2853,6 +2864,16 @@ for instructions about defining triggers for connect and disconnect events
</para>
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><emphasis role="lua">channel:is_closed()</emphasis></term>
+ <listitem>
+ <simpara>
+ Return true if the specified channel is already
+ closed.
+ Otherwise return false.
+ </simpara>
+ </listitem>
+ </varlistentry>
</variablelist>
<para>
<bridgehead renderas="sect4">Example</bridgehead><programlisting>
diff --git a/doc/user/target.db b/doc/user/target.db
index e2f80537d3e835e2a9f38157f0c010516aba4501..9d29af52dbbac65eba3fd61f4f770bb2b2dc3666 100644
--- a/doc/user/target.db
+++ b/doc/user/target.db
@@ -1,5 +1,5 @@
-<div element="book" href="#tarantool-user-guide" number="" targetptr="tarantool-user-guide"><ttl>Tarantool User Guide, version 1.5.1-179-ge2226a5</ttl><xreftext>Tarantool User Guide, version 1.5.1-179-ge2226a5</xreftext><div element="chapter" href="#preface" number="1" targetptr="preface"><ttl>Preface</ttl><xreftext>Chapter 1, <i>Preface</i></xreftext><div element="section" href="#tarantool-overview" number="" targetptr="tarantool-overview"><ttl>Tarantool: an overview</ttl><xreftext>the section called “Tarantool: an overviewâ€</xreftext></div><div element="section" href="#manual-conventions" number="" targetptr="manual-conventions"><ttl>Conventions</ttl><xreftext>the section called “Conventionsâ€</xreftext></div><div element="section" href="#reporting-bugs" number="" targetptr="reporting-bugs"><ttl>Reporting bugs</ttl><xreftext>the section called “Reporting bugsâ€</xreftext></div></div><div element="chapter" href="#getting-started" number="2" targetptr="getting-started"><ttl>Getting started</ttl><xreftext>Chapter 2, <i>Getting started</i></xreftext><div element="section" href="#getting-started-binary" number="" targetptr="getting-started-binary"><ttl>Downloading and installing a binary package</ttl><xreftext>the section called “Downloading and installing a binary packageâ€</xreftext></div><div element="section" href="#getting-started-source" number="" targetptr="getting-started-source"><ttl>Downloading and building a source package</ttl><xreftext>the section called “Downloading and building a source packageâ€</xreftext></div><div element="section" href="#getting-started-start-stop" number="" targetptr="getting-started-start-stop"><ttl>Starting Tarantool and making your first database</ttl><xreftext>the section called “Starting Tarantool and making your first databaseâ€</xreftext></div></div><div element="chapter" href="#data-and-persistence" number="3" targetptr="data-and-persistence"><ttl>Data model and data persistence</ttl><xreftext>Chapter 3, <i>Data model and data persistence</i></xreftext><div element="section" href="#dynamic-data-model" number="" targetptr="dynamic-data-model"><ttl>Dynamic data model</ttl><xreftext>the section called “Dynamic data modelâ€</xreftext></div><div element="section" href="#data-persistence" number="" targetptr="data-persistence"><ttl>Data persistence</ttl><xreftext>the section called “Data persistenceâ€</xreftext></div></div><div element="chapter" href="#language-reference" number="4" targetptr="language-reference"><ttl>Language reference</ttl><xreftext>Chapter 4, <i>Language reference</i></xreftext><div element="section" href="#data-manipulation" number="" targetptr="data-manipulation"><ttl>Data manipulation</ttl><xreftext>the section called “Data manipulationâ€</xreftext><div element="section" href="#memcached-protocol" number="" targetptr="memcached-protocol"><ttl>Memcached protocol</ttl><xreftext>the section called “Memcached protocolâ€</xreftext></div></div><div element="section" href="#administrative-console" number="" targetptr="administrative-console"><ttl>Administrative console</ttl><xreftext>the section called “Administrative consoleâ€</xreftext><obj element="term" href="#save-snapshot" number="" targetptr="save-snapshot"><ttl>???TITLE???</ttl><xreftext>SAVE SNAPSHOT</xreftext></obj><obj element="term" href="#reload-configuration" number="" targetptr="reload-configuration"><ttl>???TITLE???</ttl><xreftext>RELOAD CONFIGURATION</xreftext></obj><obj element="term" href="#show-configuration" number="" targetptr="show-configuration"><ttl>???TITLE???</ttl><xreftext>SHOW CONFIGURATION</xreftext></obj><obj element="term" href="#show-info" number="" targetptr="show-info"><ttl>???TITLE???</ttl><xreftext>SHOW INFO</xreftext></obj><obj element="term" href="#show-stat" number="" targetptr="show-stat"><ttl>???TITLE???</ttl><xreftext>SHOW STAT</xreftext></obj><obj element="term" href="#show-slab" number="" targetptr="show-slab"><ttl>???TITLE???</ttl><xreftext>SHOW SLAB</xreftext></obj><obj element="term" href="#show-palloc" number="" targetptr="show-palloc"><ttl>???TITLE???</ttl><xreftext>SHOW PALLOC</xreftext></obj><obj element="term" href="#save-coredump" number="" targetptr="save-coredump"><ttl>???TITLE???</ttl><xreftext>SAVE COREDUMP</xreftext></obj><obj element="term" href="#show-fiber" number="" targetptr="show-fiber"><ttl>???TITLE???</ttl><xreftext>SHOW FIBER</xreftext></obj><obj element="term" href="#lua-command" number="" targetptr="lua-command"><ttl>???TITLE???</ttl><xreftext>LUA ...</xreftext></obj></div><div element="section" href="#stored-procedures" number="" targetptr="stored-procedures"><ttl>Writing stored procedures in Lua</ttl><xreftext>the section called “Writing stored procedures in Luaâ€</xreftext><obj element="filename" href="#init.lua" number="" targetptr="init.lua"><ttl>???TITLE???</ttl><xreftext>init.lua</xreftext></obj><obj element="term" href="#tonumber64" number="" targetptr="tonumber64"><ttl>???TITLE???</ttl><xreftext>tonumber64</xreftext></obj><div element="section" href="#sp-box" number="" targetptr="sp-box"><ttl>Package <code class="code">box</code></ttl><xreftext>the section called “Package <code class="code">box</code>â€</xreftext><obj element="variablelist" href="#box" number="" targetptr="box"><ttl>???TITLE???</ttl><xreftext>box</xreftext></obj><obj element="emphasis" href="#box.process" number="" targetptr="box.process"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.select" number="" targetptr="box.select"><ttl>???TITLE???</ttl><xreftext>box.select</xreftext></obj><obj element="emphasis" href="#box.insert" number="" targetptr="box.insert"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.select_limit" number="" targetptr="box.select_limit"><ttl>???TITLE???</ttl><xreftext>box.select_limit</xreftext></obj><obj element="emphasis" href="#box.replace" number="" targetptr="box.replace"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.update" number="" targetptr="box.update"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.delete" number="" targetptr="box.delete"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.select_range" number="" targetptr="box.select_range"><ttl>???TITLE???</ttl><xreftext>box.select_range</xreftext></obj><obj element="emphasis" href="#box.select_reverse_range" number="" targetptr="box.select_reverse_range"><ttl>???TITLE???</ttl><xreftext>box.select_reverse_range</xreftext></obj></div><div element="section" href="#sp-box-tuple" number="" targetptr="sp-box-tuple"><ttl>Package <code class="code">box.tuple</code></ttl><xreftext>the section called “Package <code class="code">box.tuple</code>â€</xreftext><obj element="variablelist" href="#box.tuple" number="" targetptr="box.tuple"><ttl>???TITLE???</ttl><xreftext>box.tuple</xreftext></obj></div><div element="section" href="#sp-box-cjson" number="" targetptr="sp-box-cjson"><ttl>Package <code class="code">box.cjson</code></ttl><xreftext>the section called “Package <code class="code">box.cjson</code>â€</xreftext><obj element="variablelist" href="#box.cjson" number="" targetptr="box.cjson"><ttl>???TITLE???</ttl><xreftext>box.cjson</xreftext></obj></div><div element="section" href="#sp-box-space" number="" targetptr="sp-box-space"><ttl>Package <code class="code">box.space</code></ttl><xreftext>the section called “Package <code class="code">box.space</code>â€</xreftext><obj element="variablelist" href="#box.space" number="" targetptr="box.space"><ttl>???TITLE???</ttl><xreftext>box.space</xreftext></obj><obj element="emphasis" href="#box.space.select_range" number="" targetptr="box.space.select_range"><ttl>???TITLE???</ttl><xreftext>box.space[i].select_range()</xreftext></obj><obj element="emphasis" href="#box.space.select_reverse_range" number="" targetptr="box.space.select_reverse_range"><ttl>???TITLE???</ttl><xreftext>box.space.select_reverse_range</xreftext></obj></div><div element="section" href="#sp-box-index" number="" targetptr="sp-box-index"><ttl>Package <code class="code">box.index</code></ttl><xreftext>the section called “Package <code class="code">box.index</code>â€</xreftext><obj element="variablelist" href="#box.index" number="" targetptr="box.index"><ttl>???TITLE???</ttl><xreftext>box.index</xreftext></obj><obj element="emphasis" href="#box.index.iterator" number="" targetptr="box.index.iterator"><ttl>???TITLE???</ttl><xreftext>box.index.iterator(type, ...)</xreftext></obj><obj element="para" href="#iterator-consistency" number="" targetptr="iterator-consistency"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="para" href="#iterator-types" number="" targetptr="iterator-types"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="table" href="#idp716256" number="4.1"><ttl>Common iterator types</ttl><xreftext>Table 4.1, “Common iterator typesâ€</xreftext></obj><obj element="table" href="#idp683200" number="4.2"><ttl>TREE iterator types</ttl><xreftext>Table 4.2, “TREE iterator typesâ€</xreftext></obj><obj element="table" href="#idp1083472" number="4.3"><ttl>BITSET iterator types</ttl><xreftext>Table 4.3, “BITSET iterator typesâ€</xreftext></obj></div><div element="section" href="#sp-box-fiber" number="" targetptr="sp-box-fiber"><ttl>Package <code class="code">box.fiber</code></ttl><xreftext>the section called “Package <code class="code">box.fiber</code>â€</xreftext><obj element="variablelist" href="#box.fiber" number="" targetptr="box.fiber"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj><obj element="emphasis" href="#box.fiber.id" number="" targetptr="box.fiber.id"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.self" number="" targetptr="box.fiber.self"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.find" number="" targetptr="box.fiber.find"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.create" number="" targetptr="box.fiber.create"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.resume" number="" targetptr="box.fiber.resume"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.yield" number="" targetptr="box.fiber.yield"><ttl>???TITLE???</ttl><xreftext>box.fiber.yield(...)</xreftext></obj><obj element="emphasis" href="#box.fiber.detach" number="" targetptr="box.fiber.detach"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.wrap" number="" targetptr="box.fiber.wrap"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.sleep" number="" targetptr="box.fiber.sleep"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.status" number="" targetptr="box.fiber.status"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.cancel" number="" targetptr="box.fiber.cancel"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.testcancel" number="" targetptr="box.fiber.testcancel"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-box-session" number="" targetptr="sp-box-session"><ttl>Package <code class="code">box.session</code></ttl><xreftext>the section called “Package <code class="code">box.session</code>â€</xreftext></div><div element="section" href="#sp-box-ipc" number="" targetptr="sp-box-ipc"><ttl>Package <code class="code">box.ipc</code> — inter procedure communication</ttl><xreftext>the section called “Package <code class="code">box.ipc</code> — inter procedure communicationâ€</xreftext><obj element="variablelist" href="#box.ipc" number="" targetptr="box.ipc"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj></div><div element="section" href="#sp-box-socket" number="" targetptr="sp-box-socket"><ttl>Package <code class="code">box.socket</code> — TCP and UDP sockets</ttl><xreftext>the section called “Package <code class="code">box.socket</code> — TCP and UDP socketsâ€</xreftext><obj element="variablelist" href="#box.socket" number="" targetptr="box.socket"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj><obj element="table" href="#idp630656" number="4.4"><ttl><code class="code">readline()</code> returns</ttl><xreftext>Table 4.4, “<code class="code">readline()</code> returnsâ€</xreftext></obj></div><div element="section" href="#sp-box-net-box" number="" targetptr="sp-box-net-box"><ttl>Package <code class="code">box.net.box</code> — working with networked Tarantool peers</ttl><xreftext>the section called “Package <code class="code">box.net.box</code> — working with networked Tarantool peersâ€</xreftext><obj element="variablelist" href="#box.net.box" number="" targetptr="box.net.box"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj><obj element="emphasis" href="#box.net.box.new" number="" targetptr="box.net.box.new"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.ping" number="" targetptr="box.net.box.ping"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.close" number="" targetptr="box.net.box.close"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.select" number="" targetptr="box.net.box.select"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.select_limit" number="" targetptr="box.net.box.select_limit"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.select_range" number="" targetptr="box.net.box.select_range"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.insert" number="" targetptr="box.net.box.insert"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.replace" number="" targetptr="box.net.box.replace"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.update" number="" targetptr="box.net.box.update"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.delete" number="" targetptr="box.net.box.delete"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.call" number="" targetptr="box.net.box.call"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.timeout" number="" targetptr="box.net.box.timeout"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-box-cfg" number="" targetptr="sp-box-cfg"><ttl>Packages <code class="code">box.cfg</code>,
+<div element="book" href="#tarantool-user-guide" number="" targetptr="tarantool-user-guide"><ttl>Tarantool User Guide, version 1.5.3-45-ga3e51c4</ttl><xreftext>Tarantool User Guide, version 1.5.3-45-ga3e51c4</xreftext><div element="chapter" href="#preface" number="1" targetptr="preface"><ttl>Preface</ttl><xreftext>Chapter 1, <i>Preface</i></xreftext><div element="section" href="#tarantool-overview" number="" targetptr="tarantool-overview"><ttl>Tarantool: an overview</ttl><xreftext>the section called “Tarantool: an overviewâ€</xreftext></div><div element="section" href="#manual-conventions" number="" targetptr="manual-conventions"><ttl>Conventions</ttl><xreftext>the section called “Conventionsâ€</xreftext></div><div element="section" href="#reporting-bugs" number="" targetptr="reporting-bugs"><ttl>Reporting bugs</ttl><xreftext>the section called “Reporting bugsâ€</xreftext></div></div><div element="chapter" href="#getting-started" number="2" targetptr="getting-started"><ttl>Getting started</ttl><xreftext>Chapter 2, <i>Getting started</i></xreftext><div element="section" href="#getting-started-binary" number="" targetptr="getting-started-binary"><ttl>Downloading and installing a binary package</ttl><xreftext>the section called “Downloading and installing a binary packageâ€</xreftext></div><div element="section" href="#getting-started-source" number="" targetptr="getting-started-source"><ttl>Downloading and building a source package</ttl><xreftext>the section called “Downloading and building a source packageâ€</xreftext></div><div element="section" href="#getting-started-start-stop" number="" targetptr="getting-started-start-stop"><ttl>Starting Tarantool and making your first database</ttl><xreftext>the section called “Starting Tarantool and making your first databaseâ€</xreftext></div></div><div element="chapter" href="#data-and-persistence" number="3" targetptr="data-and-persistence"><ttl>Data model and data persistence</ttl><xreftext>Chapter 3, <i>Data model and data persistence</i></xreftext><div element="section" href="#dynamic-data-model" number="" targetptr="dynamic-data-model"><ttl>Dynamic data model</ttl><xreftext>the section called “Dynamic data modelâ€</xreftext></div><div element="section" href="#data-persistence" number="" targetptr="data-persistence"><ttl>Data persistence</ttl><xreftext>the section called “Data persistenceâ€</xreftext></div></div><div element="chapter" href="#language-reference" number="4" targetptr="language-reference"><ttl>Language reference</ttl><xreftext>Chapter 4, <i>Language reference</i></xreftext><div element="section" href="#data-manipulation" number="" targetptr="data-manipulation"><ttl>Data manipulation</ttl><xreftext>the section called “Data manipulationâ€</xreftext><div element="section" href="#memcached-protocol" number="" targetptr="memcached-protocol"><ttl>Memcached protocol</ttl><xreftext>the section called “Memcached protocolâ€</xreftext></div></div><div element="section" href="#administrative-console" number="" targetptr="administrative-console"><ttl>Administrative console</ttl><xreftext>the section called “Administrative consoleâ€</xreftext><obj element="term" href="#save-snapshot" number="" targetptr="save-snapshot"><ttl>???TITLE???</ttl><xreftext>SAVE SNAPSHOT</xreftext></obj><obj element="term" href="#reload-configuration" number="" targetptr="reload-configuration"><ttl>???TITLE???</ttl><xreftext>RELOAD CONFIGURATION</xreftext></obj><obj element="term" href="#show-configuration" number="" targetptr="show-configuration"><ttl>???TITLE???</ttl><xreftext>SHOW CONFIGURATION</xreftext></obj><obj element="term" href="#show-info" number="" targetptr="show-info"><ttl>???TITLE???</ttl><xreftext>SHOW INFO</xreftext></obj><obj element="term" href="#show-index" number="" targetptr="show-index"><ttl>???TITLE???</ttl><xreftext>SHOW INDEX</xreftext></obj><obj element="term" href="#show-stat" number="" targetptr="show-stat"><ttl>???TITLE???</ttl><xreftext>SHOW STAT</xreftext></obj><obj element="term" href="#show-slab" number="" targetptr="show-slab"><ttl>???TITLE???</ttl><xreftext>SHOW SLAB</xreftext></obj><obj element="term" href="#show-palloc" number="" targetptr="show-palloc"><ttl>???TITLE???</ttl><xreftext>SHOW PALLOC</xreftext></obj><obj element="term" href="#save-coredump" number="" targetptr="save-coredump"><ttl>???TITLE???</ttl><xreftext>SAVE COREDUMP</xreftext></obj><obj element="term" href="#show-fiber" number="" targetptr="show-fiber"><ttl>???TITLE???</ttl><xreftext>SHOW FIBER</xreftext></obj><obj element="term" href="#lua-command" number="" targetptr="lua-command"><ttl>???TITLE???</ttl><xreftext>LUA ...</xreftext></obj></div><div element="section" href="#stored-procedures" number="" targetptr="stored-procedures"><ttl>Writing stored procedures in Lua</ttl><xreftext>the section called “Writing stored procedures in Luaâ€</xreftext><obj element="filename" href="#init.lua" number="" targetptr="init.lua"><ttl>???TITLE???</ttl><xreftext>init.lua</xreftext></obj><obj element="term" href="#tonumber64" number="" targetptr="tonumber64"><ttl>???TITLE???</ttl><xreftext>tonumber64</xreftext></obj><div element="section" href="#sp-box-library" number="" targetptr="sp-box-library"><ttl>The <code class="code">box</code> library</ttl><xreftext>the section called “The <code class="code">box</code> libraryâ€</xreftext><obj element="table" href="#idp997968" number="4.1"><ttl>Possible types of the values that a function in the box library can return</ttl><xreftext>Table 4.1, “Possible types of the values that a function in the box library can returnâ€</xreftext></obj><obj element="title" href="#function-types" number="" targetptr="function-types"><ttl>Possible types of the values that a function in the box library can return</ttl><xreftext>Table 4.1, “Possible types of the values that a function in the box library can returnâ€</xreftext></obj><obj element="entry" href="#function-type-number" number="" targetptr="function-type-number"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="entry" href="#function-type-string" number="" targetptr="function-type-string"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="entry" href="#function-type-nil" number="" targetptr="function-type-nil"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="entry" href="#function-type-lua-table" number="" targetptr="function-type-lua-table"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="entry" href="#function-type-tuple" number="" targetptr="function-type-tuple"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-box" number="" targetptr="sp-box"><ttl>Package <code class="code">box</code></ttl><xreftext>the section called “Package <code class="code">box</code>â€</xreftext><obj element="variablelist" href="#box" number="" targetptr="box"><ttl>???TITLE???</ttl><xreftext>box</xreftext></obj><obj element="emphasis" href="#box.process" number="" targetptr="box.process"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.select" number="" targetptr="box.select"><ttl>???TITLE???</ttl><xreftext>box.select</xreftext></obj><obj element="emphasis" href="#box.insert" number="" targetptr="box.insert"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.select_limit" number="" targetptr="box.select_limit"><ttl>???TITLE???</ttl><xreftext>box.select_limit</xreftext></obj><obj element="emphasis" href="#box.replace" number="" targetptr="box.replace"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.update" number="" targetptr="box.update"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.delete" number="" targetptr="box.delete"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.select_range" number="" targetptr="box.select_range"><ttl>???TITLE???</ttl><xreftext>box.select_range</xreftext></obj><obj element="emphasis" href="#box.select_reverse_range" number="" targetptr="box.select_reverse_range"><ttl>???TITLE???</ttl><xreftext>box.select_reverse_range</xreftext></obj></div><div element="section" href="#sp-box-tuple" number="" targetptr="sp-box-tuple"><ttl>Package <code class="code">box.tuple</code></ttl><xreftext>the section called “Package <code class="code">box.tuple</code>â€</xreftext><obj element="variablelist" href="#box.tuple" number="" targetptr="box.tuple"><ttl>???TITLE???</ttl><xreftext>box.tuple</xreftext></obj></div><div element="section" href="#sp-box-cjson" number="" targetptr="sp-box-cjson"><ttl>Package <code class="code">box.cjson</code></ttl><xreftext>the section called “Package <code class="code">box.cjson</code>â€</xreftext><obj element="variablelist" href="#box.cjson" number="" targetptr="box.cjson"><ttl>???TITLE???</ttl><xreftext>box.cjson</xreftext></obj></div><div element="section" href="#sp-box-space" number="" targetptr="sp-box-space"><ttl>Package <code class="code">box.space</code></ttl><xreftext>the section called “Package <code class="code">box.space</code>â€</xreftext><obj element="variablelist" href="#box.space" number="" targetptr="box.space"><ttl>???TITLE???</ttl><xreftext>box.space</xreftext></obj><obj element="emphasis" href="#box.space.select_range" number="" targetptr="box.space.select_range"><ttl>???TITLE???</ttl><xreftext>box.space[i].select_range()</xreftext></obj><obj element="emphasis" href="#box.space.select_reverse_range" number="" targetptr="box.space.select_reverse_range"><ttl>???TITLE???</ttl><xreftext>box.space.select_reverse_range</xreftext></obj></div><div element="section" href="#sp-box-index" number="" targetptr="sp-box-index"><ttl>Package <code class="code">box.index</code></ttl><xreftext>the section called “Package <code class="code">box.index</code>â€</xreftext><obj element="variablelist" href="#box.index" number="" targetptr="box.index"><ttl>???TITLE???</ttl><xreftext>box.index</xreftext></obj><obj element="emphasis" href="#box.index.iterator" number="" targetptr="box.index.iterator"><ttl>???TITLE???</ttl><xreftext>box.index.iterator(type, ...)</xreftext></obj><obj element="para" href="#iterator-consistency" number="" targetptr="iterator-consistency"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="para" href="#iterator-types" number="" targetptr="iterator-types"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="table" href="#idp745920" number="4.2"><ttl>Common iterator types</ttl><xreftext>Table 4.2, “Common iterator typesâ€</xreftext></obj><obj element="table" href="#idp766832" number="4.3"><ttl>TREE iterator types</ttl><xreftext>Table 4.3, “TREE iterator typesâ€</xreftext></obj><obj element="table" href="#idp692080" number="4.4"><ttl>BITSET iterator types</ttl><xreftext>Table 4.4, “BITSET iterator typesâ€</xreftext></obj></div><div element="section" href="#sp-box-fiber" number="" targetptr="sp-box-fiber"><ttl>Package <code class="code">box.fiber</code></ttl><xreftext>the section called “Package <code class="code">box.fiber</code>â€</xreftext><obj element="variablelist" href="#box.fiber" number="" targetptr="box.fiber"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj><obj element="emphasis" href="#box.fiber.id" number="" targetptr="box.fiber.id"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.self" number="" targetptr="box.fiber.self"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.find" number="" targetptr="box.fiber.find"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.create" number="" targetptr="box.fiber.create"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.resume" number="" targetptr="box.fiber.resume"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.yield" number="" targetptr="box.fiber.yield"><ttl>???TITLE???</ttl><xreftext>box.fiber.yield</xreftext></obj><obj element="emphasis" href="#box.fiber.detach" number="" targetptr="box.fiber.detach"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.wrap" number="" targetptr="box.fiber.wrap"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.sleep" number="" targetptr="box.fiber.sleep"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.status" number="" targetptr="box.fiber.status"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.cancel" number="" targetptr="box.fiber.cancel"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.fiber.testcancel" number="" targetptr="box.fiber.testcancel"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-box-session" number="" targetptr="sp-box-session"><ttl>Package <code class="code">box.session</code></ttl><xreftext>the section called “Package <code class="code">box.session</code>â€</xreftext></div><div element="section" href="#sp-box-ipc" number="" targetptr="sp-box-ipc"><ttl>Package <code class="code">box.ipc</code> — inter procedure communication</ttl><xreftext>the section called “Package <code class="code">box.ipc</code> — inter procedure communicationâ€</xreftext><obj element="variablelist" href="#box.ipc" number="" targetptr="box.ipc"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj></div><div element="section" href="#sp-box-socket" number="" targetptr="sp-box-socket"><ttl>Package <code class="code">box.socket</code> — TCP and UDP sockets</ttl><xreftext>the section called “Package <code class="code">box.socket</code> — TCP and UDP socketsâ€</xreftext><obj element="variablelist" href="#box.socket" number="" targetptr="box.socket"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj><obj element="table" href="#idp1088592" number="4.5"><ttl><code class="code">readline()</code> returns</ttl><xreftext>Table 4.5, “<code class="code">readline()</code> returnsâ€</xreftext></obj></div><div element="section" href="#sp-box-net-box" number="" targetptr="sp-box-net-box"><ttl>Package <code class="code">box.net.box</code> — working with networked Tarantool peers</ttl><xreftext>the section called “Package <code class="code">box.net.box</code> — working with networked Tarantool peersâ€</xreftext><obj element="variablelist" href="#box.net.box" number="" targetptr="box.net.box"><ttl>???TITLE???</ttl><xreftext>???TITLE???</xreftext></obj><obj element="emphasis" href="#box.net.box.new" number="" targetptr="box.net.box.new"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.ping" number="" targetptr="box.net.box.ping"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.close" number="" targetptr="box.net.box.close"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.select" number="" targetptr="box.net.box.select"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.select_limit" number="" targetptr="box.net.box.select_limit"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.select_range" number="" targetptr="box.net.box.select_range"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.insert" number="" targetptr="box.net.box.insert"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.replace" number="" targetptr="box.net.box.replace"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.update" number="" targetptr="box.net.box.update"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.delete" number="" targetptr="box.net.box.delete"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.call" number="" targetptr="box.net.box.call"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="emphasis" href="#box.net.box.timeout" number="" targetptr="box.net.box.timeout"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-box-cfg" number="" targetptr="sp-box-cfg"><ttl>Packages <code class="code">box.cfg</code>,
<code class="code">box.info</code>, <code class="code">box.slab</code> and
<code class="code">box.stat</code>: server introspection</ttl><xreftext>the section called “Packages <code class="code">box.cfg</code>,
<code class="code">box.info</code>, <code class="code">box.slab</code> and
- <code class="code">box.stat</code>: server introspectionâ€</xreftext><obj element="code" href="#box.cfg" number="" targetptr="box.cfg"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="code" href="#box.stat" number="" targetptr="box.stat"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-limitations" number="" targetptr="sp-limitations"><ttl>Limitations of stored procedures</ttl><xreftext>the section called “Limitations of stored proceduresâ€</xreftext></div></div><div element="section" href="#triggers" number="" targetptr="triggers"><ttl>Defining triggers in Lua</ttl><xreftext>the section called “Defining triggers in Luaâ€</xreftext><div element="section" href="#sp-box-session-triggers" number="" targetptr="sp-box-session-triggers"><ttl>Triggers on connect and disconnect</ttl><xreftext>session triggers</xreftext></div></div></div><div element="chapter" href="#replication" number="5" targetptr="replication"><ttl>Replication</ttl><xreftext>Chapter 5, <i>Replication</i></xreftext><div element="section" href="#replication-architecture" number="" targetptr="replication-architecture"><ttl>Replication architecture</ttl><xreftext>the section called “Replication architectureâ€</xreftext></div><div element="section" href="#setting-up-the-master" number="" targetptr="setting-up-the-master"><ttl>Setting up the master</ttl><xreftext>the section called “Setting up the masterâ€</xreftext></div><div element="section" href="#settin-up-a-replica" number="" targetptr="settin-up-a-replica"><ttl>Setting up a replica</ttl><xreftext>the section called “Setting up a replicaâ€</xreftext></div><div element="section" href="#recovering-from-a-degraded-state" number="" targetptr="recovering-from-a-degraded-state"><ttl>Recovering from a degraded state</ttl><xreftext>the section called “Recovering from a degraded stateâ€</xreftext></div></div><div element="chapter" href="#server-administration" number="6" targetptr="server-administration"><ttl>Server administration</ttl><xreftext>Chapter 6, <i>Server administration</i></xreftext><div element="section" href="#signal-handling" number="" targetptr="signal-handling"><ttl>Server signal handling</ttl><xreftext>the section called “Server signal handlingâ€</xreftext></div><div element="section" href="#tarantar" number="" targetptr="tarantar"><ttl>Utility <code class="code">tarantar</code></ttl><xreftext>the section called “Utility <code class="code">tarantar</code>â€</xreftext></div><div element="section" href="#os-install-notes" number="" targetptr="os-install-notes"><ttl>System-specific administration notes</ttl><xreftext>the section called “System-specific administration notesâ€</xreftext><div element="section" href="#Debian" number="" targetptr="Debian"><ttl>Debian GNU/Linux and Ubuntu</ttl><xreftext>the section called “Debian GNU/Linux and Ubuntuâ€</xreftext></div><div element="section" href="#rpm-based-distros" number="" targetptr="rpm-based-distros"><ttl>Fedora, RHEL, CentOS</ttl><xreftext>the section called “Fedora, RHEL, CentOSâ€</xreftext></div><div element="section" href="#FreeBSD" number="" targetptr="FreeBSD"><ttl>FreeBSD</ttl><xreftext>the section called “FreeBSDâ€</xreftext></div><div element="section" href="#mac-os-x" number="" targetptr="mac-os-x"><ttl>Mac OS X</ttl><xreftext>the section called “Mac OS Xâ€</xreftext></div></div></div><div element="chapter" href="#configuration-reference" number="7" targetptr="configuration-reference"><ttl>Configuration reference</ttl><xreftext>Chapter 7, <i>Configuration reference</i></xreftext><div element="section" href="#command-line-options" number="" targetptr="command-line-options"><ttl>Command line options</ttl><xreftext>the section called “Command line optionsâ€</xreftext><obj element="listitem" href="#help-option" number="" targetptr="help-option"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="listitem" href="#version-option" number="" targetptr="version-option"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="listitem" href="#config-option" number="" targetptr="config-option"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="option" href="#init-storage-option" number="" targetptr="init-storage-option"><ttl>???TITLE???</ttl><xreftext>--init-storage</xreftext></obj></div><div element="section" href="#option-file" number="" targetptr="option-file"><ttl>The option file</ttl><xreftext>option file</xreftext><obj element="table" href="#idp1498032" number="7.1"><ttl>Basic parameters</ttl><xreftext>Table 7.1, “Basic parametersâ€</xreftext></obj><obj element="entry" href="#work_dir" number="" targetptr="work_dir"><ttl>???TITLE???</ttl><xreftext>work_dir</xreftext></obj><obj element="entry" href="#script_dir" number="" targetptr="script_dir"><ttl>???TITLE???</ttl><xreftext>script_dir</xreftext></obj><obj element="entry" href="#wal_dir" number="" targetptr="wal_dir"><ttl>???TITLE???</ttl><xreftext>wal_dir</xreftext></obj><obj element="entry" href="#snap_dir" number="" targetptr="snap_dir"><ttl>???TITLE???</ttl><xreftext>snap_dir</xreftext></obj><obj element="entry" href="#bind_ipaddr" number="" targetptr="bind_ipaddr"><ttl>???TITLE???</ttl><xreftext>bind_ipaddr</xreftext></obj><obj element="entry" href="#primary_port" number="" targetptr="primary_port"><ttl>???TITLE???</ttl><xreftext>primary_port</xreftext></obj><obj element="entry" href="#secondary_port" number="" targetptr="secondary_port"><ttl>???TITLE???</ttl><xreftext>secondary_port</xreftext></obj><obj element="entry" href="#admin_port" number="" targetptr="admin_port"><ttl>???TITLE???</ttl><xreftext>admin_port</xreftext></obj><obj element="entry" href="#custom_proc_title" number="" targetptr="custom_proc_title"><ttl>???TITLE???</ttl><xreftext>custom_proc_title</xreftext></obj><obj element="table" href="#idp1556784" number="7.2"><ttl>Configuring the storage</ttl><xreftext>Table 7.2, “Configuring the storageâ€</xreftext></obj><obj element="anchor" href="#slab_alloc_arena" number="" targetptr="slab_alloc_arena"><ttl>???TITLE???</ttl><xreftext>slab_alloc_arena</xreftext></obj><obj element="para" href="#space" number="" targetptr="space"><ttl>???TITLE???</ttl><xreftext>the section called “The option fileâ€</xreftext></obj><obj element="table" href="#idp1592752" number="7.3"><ttl>Binary logging and snapshots</ttl><xreftext>Table 7.3, “Binary logging and snapshotsâ€</xreftext></obj><obj element="entry" href="#rows_per_wal" number="" targetptr="rows_per_wal"><ttl>???TITLE???</ttl><xreftext>rows_per_wal</xreftext></obj><obj element="entry" href="#wal_mode" number="" targetptr="wal_mode"><ttl>???TITLE???</ttl><xreftext>wal_mode</xreftext></obj><obj element="table" href="#idp1628080" number="7.4"><ttl>Replication</ttl><xreftext>Table 7.4, “Replicationâ€</xreftext></obj><obj element="entry" href="#replication_port" number="" targetptr="replication_port"><ttl>???TITLE???</ttl><xreftext>replication_port</xreftext></obj><obj element="entry" href="#replication_source" number="" targetptr="replication_source"><ttl>???TITLE???</ttl><xreftext>replication_source</xreftext></obj><obj element="table" href="#idp1647520" number="7.5"><ttl>Networking</ttl><xreftext>Table 7.5, “Networkingâ€</xreftext></obj><obj element="table" href="#idp1666864" number="7.6"><ttl>Logging</ttl><xreftext>Table 7.6, “Loggingâ€</xreftext></obj><obj element="table" href="#idp1691760" number="7.7"><ttl>Memcached protocol support</ttl><xreftext>Table 7.7, “Memcached protocol supportâ€</xreftext></obj><obj element="anchor" href="#memcached_port" number="" targetptr="memcached_port"><ttl>???TITLE???</ttl><xreftext>memcached_port</xreftext></obj><obj element="anchor" href="#memcached_space" number="" targetptr="memcached_space"><ttl>???TITLE???</ttl><xreftext>memcached_space</xreftext></obj><obj element="anchor" href="#memcached_expire" number="" targetptr="memcached_expire"><ttl>???TITLE???</ttl><xreftext>memcached_expire</xreftext></obj></div></div><div element="chapter" href="#connectors" number="8" targetptr="connectors"><ttl>Connectors</ttl><xreftext>Chapter 8, <i>Connectors</i></xreftext><div element="section" href="#connector-packet-example" number="" targetptr="connector-packet-example"><ttl>Packet example</ttl><xreftext>the section called “Packet exampleâ€</xreftext></div><div element="section" href="#connector-c" number="" targetptr="connector-c"><ttl>C</ttl><xreftext>the section called “Câ€</xreftext></div><div element="section" href="#connector-node.js" number="" targetptr="connector-node.js"><ttl>node.js</ttl><xreftext>the section called “node.jsâ€</xreftext></div><div element="section" href="#connector-perl" number="" targetptr="connector-perl"><ttl>Perl</ttl><xreftext>the section called “Perlâ€</xreftext></div><div element="section" href="#connector-php" number="" targetptr="connector-php"><ttl>PHP</ttl><xreftext>the section called “PHPâ€</xreftext></div><div element="section" href="#connector-python" number="" targetptr="connector-python"><ttl>Python</ttl><xreftext>the section called “Pythonâ€</xreftext></div><div element="section" href="#connector-ruby" number="" targetptr="connector-ruby"><ttl>Ruby</ttl><xreftext>the section called “Rubyâ€</xreftext></div></div><div element="appendix" href="#proctitle" number="A" targetptr="proctitle"><ttl>Server process titles</ttl><xreftext>Appendix A, <i>Server process titles</i></xreftext></div><div element="appendix" href="#errcode" number="B" targetptr="errcode"><ttl>List of error codes</ttl><xreftext>Appendix B, <i>List of error codes</i></xreftext><obj element="term" href="#ER_NONMASTER" number="" targetptr="ER_NONMASTER"><ttl>???TITLE???</ttl><xreftext>ER_NONMASTER</xreftext></obj><obj element="term" href="#ER_ILLEGAL_PARAMS" number="" targetptr="ER_ILLEGAL_PARAMS"><ttl>???TITLE???</ttl><xreftext>ER_ILLEGAL_PARAMS</xreftext></obj><obj element="term" href="#ER_MEMORY_ISSUE" number="" targetptr="ER_MEMORY_ISSUE"><ttl>???TITLE???</ttl><xreftext>ER_MEMORY_ISSUE</xreftext></obj><obj element="term" href="#ER_WAL_IO" number="" targetptr="ER_WAL_IO"><ttl>???TITLE???</ttl><xreftext>ER_WAL_IO</xreftext></obj><obj element="term" href="#ER_KEY_PART_COUNT" number="" targetptr="ER_KEY_PART_COUNT"><ttl>???TITLE???</ttl><xreftext>ER_KEY_PART_COUNT</xreftext></obj><obj element="term" href="#ER_NO_SUCH_SPACE" number="" targetptr="ER_NO_SUCH_SPACE"><ttl>???TITLE???</ttl><xreftext>ER_NO_SUCH_SPACE</xreftext></obj><obj element="term" href="#ER_NO_SUCH_INDEX" number="" targetptr="ER_NO_SUCH_INDEX"><ttl>???TITLE???</ttl><xreftext>ER_NO_SUCH_INDEX</xreftext></obj><obj element="term" href="#ER_PROC_LUA" number="" targetptr="ER_PROC_LUA"><ttl>???TITLE???</ttl><xreftext>ER_PROC_LUA</xreftext></obj><obj element="term" href="#ER_FIBER_STACK" number="" targetptr="ER_FIBER_STACK"><ttl>???TITLE???</ttl><xreftext>ER_FIBER_STACK</xreftext></obj><obj element="term" href="#ER_UPDATE_FIELD" number="" targetptr="ER_UPDATE_FIELD"><ttl>???TITLE???</ttl><xreftext>ER_UPDATE_FIELD</xreftext></obj></div><div element="appendix" href="#limitations" number="C" targetptr="limitations"><ttl>Limitations</ttl><xreftext>Appendix C, <i>Limitations</i></xreftext><obj element="term" href="#limitations-index-field-count" number="" targetptr="limitations-index-field-count"><ttl>???TITLE???</ttl><xreftext>limitations-index-field-count</xreftext></obj><obj element="term" href="#limitations-index-count" number="" targetptr="limitations-index-count"><ttl>???TITLE???</ttl><xreftext>limitations-index-count</xreftext></obj><obj element="term" href="#limitations-tuple-field-count" number="" targetptr="limitations-tuple-field-count"><ttl>???TITLE???</ttl><xreftext>limitations-tuple-field-count</xreftext></obj><obj element="term" href="#limitations-space-count" number="" targetptr="limitations-space-count"><ttl>???TITLE???</ttl><xreftext>limitations-space-count</xreftext></obj><obj element="term" href="#limitations-connections-count" number="" targetptr="limitations-connections-count"><ttl>???TITLE???</ttl><xreftext>limitations-connections-count</xreftext></obj><obj element="term" href="#limitations-slab-alloc-arena-size" number="" targetptr="limitations-slab-alloc-arena-size"><ttl>???TITLE???</ttl><xreftext>limitations-slab-alloc-arena-size</xreftext></obj><obj element="term" href="#limitations-update-count" number="" targetptr="limitations-update-count"><ttl>???TITLE???</ttl><xreftext>limitations-updae-count</xreftext></obj></div></div>
+ <code class="code">box.stat</code>: server introspectionâ€</xreftext><obj element="code" href="#box.cfg" number="" targetptr="box.cfg"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj><obj element="code" href="#box.stat" number="" targetptr="box.stat"><ttl>???TITLE???</ttl><xreftext>???</xreftext></obj></div><div element="section" href="#sp-limitations" number="" targetptr="sp-limitations"><ttl>Limitations of stored procedures</ttl><xreftext>the section called “Limitations of stored proceduresâ€</xreftext></div></div><div element="section" href="#triggers" number="" targetptr="triggers"><ttl>Defining triggers in Lua</ttl><xreftext>the section called “Defining triggers in Luaâ€</xreftext><div element="section" href="#sp-box-session-triggers" number="" targetptr="sp-box-session-triggers"><ttl>Triggers on connect and disconnect</ttl><xreftext>session triggers</xreftext></div></div></div><div element="chapter" href="#replication" number="5" targetptr="replication"><ttl>Replication</ttl><xreftext>Chapter 5, <i>Replication</i></xreftext><div element="section" href="#replication-architecture" number="" targetptr="replication-architecture"><ttl>Replication architecture</ttl><xreftext>the section called “Replication architectureâ€</xreftext></div><div element="section" href="#setting-up-the-master" number="" targetptr="setting-up-the-master"><ttl>Setting up the master</ttl><xreftext>the section called “Setting up the masterâ€</xreftext></div><div element="section" href="#settin-up-a-replica" number="" targetptr="settin-up-a-replica"><ttl>Setting up a replica</ttl><xreftext>the section called “Setting up a replicaâ€</xreftext></div><div element="section" href="#recovering-from-a-degraded-state" number="" targetptr="recovering-from-a-degraded-state"><ttl>Recovering from a degraded state</ttl><xreftext>the section called “Recovering from a degraded stateâ€</xreftext></div></div><div element="chapter" href="#server-administration" number="6" targetptr="server-administration"><ttl>Server administration</ttl><xreftext>Chapter 6, <i>Server administration</i></xreftext><div element="section" href="#signal-handling" number="" targetptr="signal-handling"><ttl>Server signal handling</ttl><xreftext>the section called “Server signal handlingâ€</xreftext></div><div element="section" href="#utility-tarantool" number="" targetptr="utility-tarantool"><ttl>Utility <code class="code">tarantool</code> — the main client</ttl><xreftext>the section called “Utility <code class="code">tarantool</code> — the main clientâ€</xreftext><obj element="term" href="#utility-tarantool-admin-port" number="" targetptr="utility-tarantool-admin-port"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-admin-port</xreftext></obj><obj element="term" href="#utility-tarantool-bin" number="" targetptr="utility-tarantool-bin"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-bin</xreftext></obj><obj element="term" href="#utility-tarantool-cat" number="" targetptr="utility-tarantool-cat"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-cat</xreftext></obj><obj element="term" href="#utility-tarantool-delim" number="" targetptr="utility-tarantool-delim"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-delim</xreftext></obj><obj element="term" href="#utility-tarantool-format" number="" targetptr="utility-tarantool-format"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-format</xreftext></obj><obj element="term" href="#utility-tarantool-from" number="" targetptr="utility-tarantool-from"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-from</xreftext></obj><obj element="term" href="#utility-tarantool-header" number="" targetptr="utility-tarantool-header"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-header</xreftext></obj><obj element="term" href="#utility-tarantool-help" number="" targetptr="utility-tarantool-help"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-help</xreftext></obj><obj element="term" href="#utility-tarantool-host" number="" targetptr="utility-tarantool-host"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-host</xreftext></obj><obj element="term" href="#utility-tarantool-play" number="" targetptr="utility-tarantool-play"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-play</xreftext></obj><obj element="term" href="#utility-tarantool-port" number="" targetptr="utility-tarantool-port"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-port</xreftext></obj><obj element="term" href="#utility-tarantool-rpl" number="" targetptr="utility-tarantool-rpl"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-rpl</xreftext></obj><obj element="term" href="#utility-tarantool-space" number="" targetptr="utility-tarantool-space"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-space</xreftext></obj><obj element="term" href="#utility-tarantool-to" number="" targetptr="utility-tarantool-to"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-to</xreftext></obj><obj element="term" href="#utility-tarantool-version" number="" targetptr="utility-tarantool-version"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-version</xreftext></obj><obj element="term" href="#utility-tarantool-call" number="" targetptr="utility-tarantool-call"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-call</xreftext></obj><obj element="term" href="#utility-tarantool-delete" number="" targetptr="utility-tarantool-delete"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-delete</xreftext></obj><obj element="term" href="#utility-tarantool-exit" number="" targetptr="utility-tarantool-exit"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-exit</xreftext></obj><obj element="term" href="#utility-tarantool-help2" number="" targetptr="utility-tarantool-help2"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-help2</xreftext></obj><obj element="term" href="#utility-tarantool-insert" number="" targetptr="utility-tarantool-insert"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-insert</xreftext></obj><obj element="term" href="#utility-tarantool-loadfile" number="" targetptr="utility-tarantool-loadfile"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-loadfile</xreftext></obj><obj element="term" href="#utility-tarantool-lua" number="" targetptr="utility-tarantool-lua"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-lua</xreftext></obj><obj element="term" href="#utility-tarantool-ping" number="" targetptr="utility-tarantool-ping"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-ping</xreftext></obj><obj element="term" href="#utility-tarantool-quit" number="" targetptr="utility-tarantool-quit"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-quit</xreftext></obj><obj element="term" href="#utility-tarantool-reload" number="" targetptr="utility-tarantool-reload"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-reload</xreftext></obj><obj element="term" href="#utility-tarantool-replace" number="" targetptr="utility-tarantool-replace"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-replace</xreftext></obj><obj element="term" href="#utility-tarantool-save" number="" targetptr="utility-tarantool-save"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-save</xreftext></obj><obj element="term" href="#utility-tarantool-select" number="" targetptr="utility-tarantool-select"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-select</xreftext></obj><obj element="term" href="#utility-tarantool-set" number="" targetptr="utility-tarantool-set"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-set</xreftext></obj><obj element="term" href="#utility-tarantool-setopt" number="" targetptr="utility-tarantool-setopt"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-setopt</xreftext></obj><obj element="term" href="#utility-tarantool-show" number="" targetptr="utility-tarantool-show"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-show</xreftext></obj><obj element="term" href="#utility-tarantool-update" number="" targetptr="utility-tarantool-update"><ttl>???TITLE???</ttl><xreftext>utility-tarantool-update</xreftext></obj></div><div element="section" href="#tarantar" number="" targetptr="tarantar"><ttl>Utility <code class="code">tarantar</code></ttl><xreftext>the section called “Utility <code class="code">tarantar</code>â€</xreftext></div><div element="section" href="#tarancheck" number="" targetptr="tarancheck"><ttl>Utility <code class="code">tarancheck</code></ttl><xreftext>the section called “Utility <code class="code">tarancheck</code>â€</xreftext></div><div element="section" href="#tarantool_deploy" number="" targetptr="tarantool_deploy"><ttl>Utility <code class="code">tarantool_deploy</code></ttl><xreftext>the section called “Utility <code class="code">tarantool_deploy</code>â€</xreftext></div><div element="section" href="#os-install-notes" number="" targetptr="os-install-notes"><ttl>System-specific administration notes</ttl><xreftext>the section called “System-specific administration notesâ€</xreftext><div element="section" href="#Debian" number="" targetptr="Debian"><ttl>Debian GNU/Linux and Ubuntu</ttl><xreftext>the section called “Debian GNU/Linux and Ubuntuâ€</xreftext></div><div element="section" href="#rpm-based-distros" number="" targetptr="rpm-based-distros"><ttl>Fedora, RHEL, CentOS</ttl><xreftext>the section called “Fedora, RHEL, CentOSâ€</xreftext></div><div element="section" href="#FreeBSD" number="" targetptr="FreeBSD"><ttl>FreeBSD</ttl><xreftext>the section called “FreeBSDâ€</xreftext></div><div element="section" href="#mac-os-x" number="" targetptr="mac-os-x"><ttl>Mac OS X</ttl><xreftext>the section called “Mac OS Xâ€</xreftext></div></div></div><div element="chapter" href="#configuration-reference" number="7" targetptr="configuration-reference"><ttl>Configuration reference</ttl><xreftext>Chapter 7, <i>Configuration reference</i></xreftext><div element="section" href="#command-line-options" number="" targetptr="command-line-options"><ttl>Command line options</ttl><xreftext>the section called “Command line optionsâ€</xreftext><obj element="listitem" href="#help-option" number="" targetptr="help-option"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="listitem" href="#version-option" number="" targetptr="version-option"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="listitem" href="#config-option" number="" targetptr="config-option"><ttl>???TITLE???</ttl><xreftext/></obj><obj element="option" href="#init-storage-option" number="" targetptr="init-storage-option"><ttl>???TITLE???</ttl><xreftext>--init-storage</xreftext></obj></div><div element="section" href="#configuration-file" number="" targetptr="configuration-file"><ttl>The configuration file</ttl><xreftext>configuration file</xreftext><obj element="table" href="#idp2132160" number="7.1"><ttl>Basic parameters</ttl><xreftext>Table 7.1, “Basic parametersâ€</xreftext></obj><obj element="entry" href="#work_dir" number="" targetptr="work_dir"><ttl>???TITLE???</ttl><xreftext>work_dir</xreftext></obj><obj element="entry" href="#script_dir" number="" targetptr="script_dir"><ttl>???TITLE???</ttl><xreftext>script_dir</xreftext></obj><obj element="entry" href="#wal_dir" number="" targetptr="wal_dir"><ttl>???TITLE???</ttl><xreftext>wal_dir</xreftext></obj><obj element="entry" href="#snap_dir" number="" targetptr="snap_dir"><ttl>???TITLE???</ttl><xreftext>snap_dir</xreftext></obj><obj element="entry" href="#bind_ipaddr" number="" targetptr="bind_ipaddr"><ttl>???TITLE???</ttl><xreftext>bind_ipaddr</xreftext></obj><obj element="entry" href="#primary_port" number="" targetptr="primary_port"><ttl>???TITLE???</ttl><xreftext>primary_port</xreftext></obj><obj element="entry" href="#secondary_port" number="" targetptr="secondary_port"><ttl>???TITLE???</ttl><xreftext>secondary_port</xreftext></obj><obj element="entry" href="#admin_port" number="" targetptr="admin_port"><ttl>???TITLE???</ttl><xreftext>admin_port</xreftext></obj><obj element="entry" href="#custom_proc_title" number="" targetptr="custom_proc_title"><ttl>???TITLE???</ttl><xreftext>custom_proc_title</xreftext></obj><obj element="table" href="#idp2191040" number="7.2"><ttl>Configuring the storage</ttl><xreftext>Table 7.2, “Configuring the storageâ€</xreftext></obj><obj element="anchor" href="#slab_alloc_arena" number="" targetptr="slab_alloc_arena"><ttl>???TITLE???</ttl><xreftext>slab_alloc_arena</xreftext></obj><obj element="para" href="#space" number="" targetptr="space"><ttl>???TITLE???</ttl><xreftext>the section called “The configuration fileâ€</xreftext></obj><obj element="table" href="#idp2227072" number="7.3"><ttl>Binary logging and snapshots</ttl><xreftext>Table 7.3, “Binary logging and snapshotsâ€</xreftext></obj><obj element="entry" href="#rows_per_wal" number="" targetptr="rows_per_wal"><ttl>???TITLE???</ttl><xreftext>rows_per_wal</xreftext></obj><obj element="entry" href="#wal_mode" number="" targetptr="wal_mode"><ttl>???TITLE???</ttl><xreftext>wal_mode</xreftext></obj><obj element="table" href="#idp2262512" number="7.4"><ttl>Replication</ttl><xreftext>Table 7.4, “Replicationâ€</xreftext></obj><obj element="entry" href="#replication_port" number="" targetptr="replication_port"><ttl>???TITLE???</ttl><xreftext>replication_port</xreftext></obj><obj element="entry" href="#replication_source" number="" targetptr="replication_source"><ttl>???TITLE???</ttl><xreftext>replication_source</xreftext></obj><obj element="table" href="#idp2282016" number="7.5"><ttl>Networking</ttl><xreftext>Table 7.5, “Networkingâ€</xreftext></obj><obj element="table" href="#idp2301360" number="7.6"><ttl>Logging</ttl><xreftext>Table 7.6, “Loggingâ€</xreftext></obj><obj element="table" href="#idp2326272" number="7.7"><ttl>Memcached protocol support</ttl><xreftext>Table 7.7, “Memcached protocol supportâ€</xreftext></obj><obj element="anchor" href="#memcached_port" number="" targetptr="memcached_port"><ttl>???TITLE???</ttl><xreftext>memcached_port</xreftext></obj><obj element="anchor" href="#memcached_space" number="" targetptr="memcached_space"><ttl>???TITLE???</ttl><xreftext>memcached_space</xreftext></obj><obj element="anchor" href="#memcached_expire" number="" targetptr="memcached_expire"><ttl>???TITLE???</ttl><xreftext>memcached_expire</xreftext></obj><obj element="table" href="#idp2358800" number="7.8"><ttl>Hot Standby</ttl><xreftext>Table 7.8, “Hot Standbyâ€</xreftext></obj><obj element="anchor" href="#local_hot_standby" number="" targetptr="local_hot_standby"><ttl>???TITLE???</ttl><xreftext>local_hot_standby</xreftext></obj></div></div><div element="chapter" href="#connectors" number="8" targetptr="connectors"><ttl>Connectors</ttl><xreftext>Chapter 8, <i>Connectors</i></xreftext><div element="section" href="#connector-packet-example" number="" targetptr="connector-packet-example"><ttl>Packet example</ttl><xreftext>the section called “Packet exampleâ€</xreftext></div><div element="section" href="#connector-c" number="" targetptr="connector-c"><ttl>C</ttl><xreftext>the section called “Câ€</xreftext></div><div element="section" href="#connector-erlang" number="" targetptr="connector-erlang"><ttl>Erlang</ttl><xreftext>the section called “Erlangâ€</xreftext></div><div element="section" href="#connector-java" number="" targetptr="connector-java"><ttl>Java</ttl><xreftext>the section called “Javaâ€</xreftext></div><div element="section" href="#connector-node.js" number="" targetptr="connector-node.js"><ttl>node.js</ttl><xreftext>the section called “node.jsâ€</xreftext></div><div element="section" href="#connector-perl" number="" targetptr="connector-perl"><ttl>Perl</ttl><xreftext>the section called “Perlâ€</xreftext></div><div element="section" href="#connector-php" number="" targetptr="connector-php"><ttl>PHP</ttl><xreftext>the section called “PHPâ€</xreftext></div><div element="section" href="#connector-python" number="" targetptr="connector-python"><ttl>Python</ttl><xreftext>the section called “Pythonâ€</xreftext></div><div element="section" href="#connector-ruby" number="" targetptr="connector-ruby"><ttl>Ruby</ttl><xreftext>the section called “Rubyâ€</xreftext></div></div><div element="appendix" href="#proctitle" number="A" targetptr="proctitle"><ttl>Server process titles</ttl><xreftext>Appendix A, <i>Server process titles</i></xreftext></div><div element="appendix" href="#errcode" number="B" targetptr="errcode"><ttl>List of error codes</ttl><xreftext>Appendix B, <i>List of error codes</i></xreftext><obj element="term" href="#ER_NONMASTER" number="" targetptr="ER_NONMASTER"><ttl>???TITLE???</ttl><xreftext>ER_NONMASTER</xreftext></obj><obj element="term" href="#ER_ILLEGAL_PARAMS" number="" targetptr="ER_ILLEGAL_PARAMS"><ttl>???TITLE???</ttl><xreftext>ER_ILLEGAL_PARAMS</xreftext></obj><obj element="term" href="#ER_MEMORY_ISSUE" number="" targetptr="ER_MEMORY_ISSUE"><ttl>???TITLE???</ttl><xreftext>ER_MEMORY_ISSUE</xreftext></obj><obj element="term" href="#ER_WAL_IO" number="" targetptr="ER_WAL_IO"><ttl>???TITLE???</ttl><xreftext>ER_WAL_IO</xreftext></obj><obj element="term" href="#ER_KEY_PART_COUNT" number="" targetptr="ER_KEY_PART_COUNT"><ttl>???TITLE???</ttl><xreftext>ER_KEY_PART_COUNT</xreftext></obj><obj element="term" href="#ER_NO_SUCH_SPACE" number="" targetptr="ER_NO_SUCH_SPACE"><ttl>???TITLE???</ttl><xreftext>ER_NO_SUCH_SPACE</xreftext></obj><obj element="term" href="#ER_NO_SUCH_INDEX" number="" targetptr="ER_NO_SUCH_INDEX"><ttl>???TITLE???</ttl><xreftext>ER_NO_SUCH_INDEX</xreftext></obj><obj element="term" href="#ER_PROC_LUA" number="" targetptr="ER_PROC_LUA"><ttl>???TITLE???</ttl><xreftext>ER_PROC_LUA</xreftext></obj><obj element="term" href="#ER_FIBER_STACK" number="" targetptr="ER_FIBER_STACK"><ttl>???TITLE???</ttl><xreftext>ER_FIBER_STACK</xreftext></obj><obj element="term" href="#ER_UPDATE_FIELD" number="" targetptr="ER_UPDATE_FIELD"><ttl>???TITLE???</ttl><xreftext>ER_UPDATE_FIELD</xreftext></obj></div><div element="appendix" href="#limitations" number="C" targetptr="limitations"><ttl>Limitations</ttl><xreftext>Appendix C, <i>Limitations</i></xreftext><obj element="term" href="#limitations-index-field-count" number="" targetptr="limitations-index-field-count"><ttl>???TITLE???</ttl><xreftext>limitations-index-field-count</xreftext></obj><obj element="term" href="#limitations-index-count" number="" targetptr="limitations-index-count"><ttl>???TITLE???</ttl><xreftext>limitations-index-count</xreftext></obj><obj element="term" href="#limitations-tuple-field-count" number="" targetptr="limitations-tuple-field-count"><ttl>???TITLE???</ttl><xreftext>limitations-tuple-field-count</xreftext></obj><obj element="term" href="#limitations-space-count" number="" targetptr="limitations-space-count"><ttl>???TITLE???</ttl><xreftext>limitations-space-count</xreftext></obj><obj element="term" href="#limitations-connections-count" number="" targetptr="limitations-connections-count"><ttl>???TITLE???</ttl><xreftext>limitations-connections-count</xreftext></obj><obj element="term" href="#limitations-slab-alloc-arena-size" number="" targetptr="limitations-slab-alloc-arena-size"><ttl>???TITLE???</ttl><xreftext>limitations-slab-alloc-arena-size</xreftext></obj><obj element="term" href="#limitations-update-count" number="" targetptr="limitations-update-count"><ttl>???TITLE???</ttl><xreftext>limitations-updae-count</xreftext></obj></div><div element="appendix" href="#lua-tutorial" number="D" targetptr="lua-tutorial"><ttl>Lua tutorial</ttl><xreftext>Appendix D, <i>Lua tutorial</i></xreftext><div element="section" href="#lua-tutorial-insert" number="" targetptr="lua-tutorial-insert"><ttl>Insert one million tuples with a Lua stored procedure</ttl><xreftext>the section called “Insert one million tuples with a Lua stored procedureâ€</xreftext></div><div element="section" href="#lua-tutorial-sum" number="" targetptr="lua-tutorial-sum"><ttl>Sum a JSON field for all tuples</ttl><xreftext>the section called “Sum a JSON field for all tuplesâ€</xreftext></div></div><div element="appendix" href="#plugins" number="E" targetptr="plugins"><ttl>Plugins</ttl><xreftext>Appendix E, <i>Plugins</i></xreftext><obj element="para" href="#plugin-sql-dbms-plugins" number="" targetptr="plugin-sql-dbms-plugins"><ttl>???TITLE???</ttl><xreftext>Appendix E, <i>Plugins</i></xreftext></obj><obj element="para" href="#plugin-mysql-example" number="" targetptr="plugin-mysql-example"><ttl>???TITLE???</ttl><xreftext>Appendix E, <i>Plugins</i></xreftext></obj><obj element="para" href="#plugin-postgresql-example" number="" targetptr="plugin-postgresql-example"><ttl>???TITLE???</ttl><xreftext>Appendix E, <i>Plugins</i></xreftext></obj></div></div>
diff --git a/include/ipc.h b/include/ipc.h
index ec9e408d0044299f711ccd4fa0bfeb868d28e716..90ea5c3784a0ad4badad7a6ea5bddbf004580019 100644
--- a/include/ipc.h
+++ b/include/ipc.h
@@ -150,7 +150,6 @@ ipc_channel_put_timeout(struct ipc_channel *ch, void *data,
void *
ipc_channel_get_timeout(struct ipc_channel *ch, ev_tstamp timeout);
-
/**
* @brief return true if channel has reader fibers that wait data
* @param channel
@@ -165,4 +164,16 @@ ipc_channel_has_readers(struct ipc_channel *ch);
bool
ipc_channel_has_writers(struct ipc_channel *ch);
+/**
+ * @brief close the channel. Wake up readers and writers (if they exist)
+ */
+void
+ipc_channel_close(struct ipc_channel *ch);
+
+/**
+ * @brief return true if the channel is closed
+ */
+bool
+ipc_channel_is_closed(struct ipc_channel *ch);
+
#endif /* TARANTOOL_IPC_H_INCLUDED */
diff --git a/src/ipc.cc b/src/ipc.cc
index c70454bb65ee693feb4fb6c4b8441036d002ef30..493a5dd12ed8738395cae224ba5e6e2aad4e5628 100644
--- a/src/ipc.cc
+++ b/src/ipc.cc
@@ -32,7 +32,10 @@
#include <rlist.h>
struct ipc_channel {
- struct rlist readers, writers, bcast;
+ struct rlist readers, writers;
+ struct fiber *bcast; /* broadcast waiter */
+ struct fiber *close; /* close waiter */
+ bool closed; /* channel is closed */
unsigned size;
unsigned beg;
unsigned count;
@@ -83,7 +86,9 @@ static void
ipc_channel_create(struct ipc_channel *ch)
{
ch->beg = ch->count = 0;
- rlist_create(&ch->bcast);
+ ch->closed = false;
+ ch->close = NULL;
+ ch->bcast = NULL;
rlist_create(&ch->readers);
rlist_create(&ch->writers);
}
@@ -106,12 +111,15 @@ ipc_channel_destroy(struct ipc_channel *ch)
void *
ipc_channel_get_timeout(struct ipc_channel *ch, ev_tstamp timeout)
{
+ if (ch->closed)
+ return NULL;
+
struct fiber *f;
bool first_try = true;
ev_tstamp started = ev_now();
+ void *res;
/* channel is empty */
while (ch->count == 0) {
-
/* try to be in FIFO order */
if (first_try) {
rlist_add_tail_entry(&ch->readers, fiber, state);
@@ -124,24 +132,30 @@ ipc_channel_get_timeout(struct ipc_channel *ch, ev_tstamp timeout)
rlist_del_entry(fiber, state);
/* broadcast messsage wakes us up */
- if (!rlist_empty(&ch->bcast)) {
- f = rlist_first_entry(&ch->bcast, struct fiber, state);
- rlist_del_entry(f, state);
- fiber_wakeup(f);
+ if (ch->bcast) {
+ fiber_wakeup(ch->bcast);
fiber_testcancel();
fiber_setcancellable(cancellable);
- return ch->bcast_msg;
+ res = ch->bcast_msg;
+ goto exit;
}
fiber_testcancel();
fiber_setcancellable(cancellable);
timeout -= ev_now() - started;
- if (timeout <= 0)
- return NULL;
+ if (timeout <= 0) {
+ res = NULL;
+ goto exit;
+ }
+
+ if (ch->closed) {
+ res = NULL;
+ goto exit;
+ }
}
- void *res = ch->item[ch->beg];
+ res = ch->item[ch->beg];
if (++ch->beg >= ch->size)
ch->beg -= ch->size;
ch->count--;
@@ -152,6 +166,11 @@ ipc_channel_get_timeout(struct ipc_channel *ch, ev_tstamp timeout)
fiber_wakeup(f);
}
+exit:
+ if (ch->closed && ch->close) {
+ fiber_wakeup(ch->close);
+ ch->close = NULL;
+ }
return res;
}
@@ -162,11 +181,60 @@ ipc_channel_get(struct ipc_channel *ch)
return ipc_channel_get_timeout(ch, TIMEOUT_INFINITY);
}
+static void
+ipc_channel_close_waiter(struct ipc_channel *ch, struct fiber *f)
+{
+ ch->close = fiber;
+
+ while(ch->close) {
+ bool cancellable = fiber_setcancellable(true);
+ fiber_wakeup(f);
+ fiber_yield();
+ ch->close = NULL;
+ rlist_del_entry(fiber, state);
+ fiber_testcancel();
+ fiber_setcancellable(cancellable);
+ }
+}
+
+void
+ipc_channel_close(struct ipc_channel *ch)
+{
+ if (ch->closed)
+ return;
+ ch->closed = true;
+
+ struct fiber *f;
+ while(!rlist_empty(&ch->readers)) {
+ f = rlist_first_entry(&ch->readers, struct fiber, state);
+ ipc_channel_close_waiter(ch, f);
+ }
+ while(!rlist_empty(&ch->writers)) {
+ f = rlist_first_entry(&ch->writers, struct fiber, state);
+ ipc_channel_close_waiter(ch, f);
+ }
+ if (ch->bcast)
+ fiber_wakeup(ch->bcast);
+}
+
+bool
+ipc_channel_is_closed(struct ipc_channel *ch)
+{
+ return ch->closed;
+}
+
int
ipc_channel_put_timeout(struct ipc_channel *ch, void *data,
ev_tstamp timeout)
{
+ if (ch->closed) {
+ errno = EBADF;
+ return -1;
+ }
+
bool first_try = true;
+ int res;
+ unsigned i;
ev_tstamp started = ev_now();
/* channel is full */
while (ch->count >= ch->size) {
@@ -189,11 +257,18 @@ ipc_channel_put_timeout(struct ipc_channel *ch, void *data,
timeout -= ev_now() - started;
if (timeout <= 0) {
errno = ETIMEDOUT;
- return -1;
+ res = -1;
+ goto exit;
+ }
+
+ if (ch->closed) {
+ errno = EBADF;
+ res = -1;
+ goto exit;
}
}
- unsigned i = ch->beg;
+ i = ch->beg;
i += ch->count;
ch->count++;
if (i >= ch->size)
@@ -206,7 +281,15 @@ ipc_channel_put_timeout(struct ipc_channel *ch, void *data,
rlist_del_entry(f, state);
fiber_wakeup(f);
}
- return 0;
+ res = 0;
+exit:
+ if (ch->closed && ch->close) {
+ int save_errno = errno;
+ fiber_wakeup(ch->close);
+ ch->close = NULL;
+ errno = save_errno;
+ }
+ return res;
}
void
@@ -230,8 +313,12 @@ ipc_channel_has_writers(struct ipc_channel *ch)
int
ipc_channel_broadcast(struct ipc_channel *ch, void *data)
{
+ /* do nothing at closed channel */
+ if (ch->closed)
+ return 0;
+
/* broadcast in broadcast: marasmus */
- if (!rlist_empty(&ch->bcast))
+ if (ch->bcast)
return 0;
/* there is no reader on channel */
@@ -248,13 +335,16 @@ ipc_channel_broadcast(struct ipc_channel *ch, void *data)
unsigned cnt = 0;
while (!rlist_empty(&ch->readers)) {
+ if (ch->closed)
+ break;
f = rlist_first_entry(&ch->readers, struct fiber, state);
ch->bcast_msg = data;
- rlist_add_tail_entry(&ch->bcast, fiber, state);
+ ch->bcast = fiber;
fiber_wakeup(f);
bool cancellable = fiber_setcancellable(true);
fiber_yield();
+ ch->bcast = NULL;
rlist_del_entry(fiber, state);
fiber_testcancel();
fiber_setcancellable(cancellable);
@@ -263,5 +353,10 @@ ipc_channel_broadcast(struct ipc_channel *ch, void *data)
break;
}
+ if (ch->closed && ch->close) {
+ fiber_wakeup(ch->close);
+ ch->close = NULL;
+ }
+
return cnt;
}
diff --git a/src/lua/lua_ipc.cc b/src/lua/lua_ipc.cc
index ec7ea1b66c115a7aa51c3df966f1d63a1f83ee21..486f6a41b2afcebc27e2df01fabea5c94485aacf 100644
--- a/src/lua/lua_ipc.cc
+++ b/src/lua/lua_ipc.cc
@@ -41,6 +41,8 @@ extern "C" {
static const char channel_lib[] = "box.ipc.channel";
+#define BROADCAST_MASK (((size_t)1) << (CHAR_BIT * sizeof(size_t) - 1))
+
/******************** channel ***************************/
static int
@@ -131,35 +133,16 @@ lbox_ipc_channel_put(struct lua_State *L)
}
ch = lbox_check_channel(L, -top);
- lua_getmetatable(L, -top);
-
- lua_pushstring(L, "rid");
- lua_gettable(L, -2);
-
- lua_Integer rid = lua_tointeger(L, -1);
- if (rid < 0x7FFFFFFF)
- rid++;
- else
- rid = 1;
-
- lua_pushstring(L, "rid"); /* update object id */
- lua_pushnumber(L, rid);
- lua_settable(L, -4);
-
- lua_pushnumber(L, rid);
lua_pushvalue(L, 2);
- lua_settable(L, -4);
-
+ size_t vref = luaL_ref(L, LUA_REGISTRYINDEX);
int retval;
- if (ipc_channel_put_timeout(ch, (void *)rid, timeout) == 0) {
+ if (ipc_channel_put_timeout(ch, (void *)vref, timeout) == 0) {
retval = 1;
} else {
- /* put timeout */
+ /* timed out or closed */
+ luaL_unref(L, LUA_REGISTRYINDEX, vref);
retval = 0;
- lua_pushnumber(L, rid);
- lua_pushnil(L);
- lua_settable(L, -4);
}
lua_settop(L, top);
@@ -188,30 +171,20 @@ lbox_ipc_channel_get(struct lua_State *L)
struct ipc_channel *ch = lbox_check_channel(L, 1);
- lua_Integer rid = (lua_Integer)ipc_channel_get_timeout(ch, timeout);
+ size_t vref = (size_t)ipc_channel_get_timeout(ch, timeout);
- if (!rid) {
+ if (!vref) {
+ /* timed out or closed */
lua_pushnil(L);
return 1;
}
-
- lua_getmetatable(L, 1);
-
- lua_pushstring(L, "broadcast_message");
- lua_gettable(L, -2);
-
- if (lua_isnil(L, -1)) { /* common messages */
- lua_pop(L, 1); /* nil */
-
- lua_pushnumber(L, rid); /* extract and delete value */
- lua_gettable(L, -2);
-
- lua_pushnumber(L, rid);
- lua_pushnil(L);
- lua_settable(L, -4);
+ if (vref & BROADCAST_MASK) {
+ vref &= ~BROADCAST_MASK;
+ lua_rawgeti(L, LUA_REGISTRYINDEX, vref);
+ return 1;
}
-
- lua_remove(L, -2); /* cleanup stack (metatable) */
+ lua_rawgeti(L, LUA_REGISTRYINDEX, vref);
+ luaL_unref(L, LUA_REGISTRYINDEX, vref);
return 1;
}
@@ -223,30 +196,17 @@ lbox_ipc_channel_broadcast(struct lua_State *L)
if (lua_gettop(L) != 2)
luaL_error(L, "usage: channel:broadcast(variable)");
- ch = lbox_check_channel(L, -2);
+ ch = lbox_check_channel(L, 1);
if (!ipc_channel_has_readers(ch))
return lbox_ipc_channel_put(L);
- lua_getmetatable(L, -2); /* 3 */
-
- lua_pushstring(L, "broadcast_message"); /* 4 */
-
- /* save old value */
- lua_pushstring(L, "broadcast_message");
- lua_gettable(L, 3); /* 5 */
- lua_pushstring(L, "broadcast_message"); /* save object */
lua_pushvalue(L, 2);
- lua_settable(L, 3);
-
- int count = ipc_channel_broadcast(ch, (void *)1);
-
- lua_settable(L, 3);
-
- lua_pop(L, 1); /* stack cleanup */
+ size_t vref = luaL_ref(L, LUA_REGISTRYINDEX);
+ int count = ipc_channel_broadcast(ch, (void *)(vref | BROADCAST_MASK));
+ luaL_unref(L, LUA_REGISTRYINDEX, vref);
lua_pushnumber(L, count);
-
return 1;
}
@@ -270,6 +230,29 @@ lbox_ipc_channel_has_writers(struct lua_State *L)
return 1;
}
+static int
+lbox_ipc_channel_close(struct lua_State *L)
+{
+ if (lua_gettop(L) != 1)
+ luaL_error(L, "usage: channel:close()");
+ struct ipc_channel *ch = lbox_check_channel(L, 1);
+ ipc_channel_close(ch);
+ return 0;
+}
+
+static int
+lbox_ipc_channel_is_closed(struct lua_State *L)
+{
+ if (lua_gettop(L) != 1)
+ luaL_error(L, "usage: channel:is_closed()");
+ struct ipc_channel *ch = lbox_check_channel(L, 1);
+ if (ipc_channel_is_closed(ch))
+ lua_pushboolean(L, 1);
+ else
+ lua_pushboolean(L, 0);
+ return 1;
+}
+
void
tarantool_lua_ipc_init(struct lua_State *L)
{
@@ -282,6 +265,8 @@ tarantool_lua_ipc_init(struct lua_State *L)
{"broadcast", lbox_ipc_channel_broadcast},
{"has_readers", lbox_ipc_channel_has_readers},
{"has_writers", lbox_ipc_channel_has_writers},
+ {"close", lbox_ipc_channel_close},
+ {"is_closed", lbox_ipc_channel_is_closed},
{NULL, NULL}
};
tarantool_lua_register_type(L, channel_lib, channel_meta);
@@ -291,7 +276,6 @@ tarantool_lua_ipc_init(struct lua_State *L)
{NULL, NULL}
};
-
lua_getfield(L, LUA_GLOBALSINDEX, "box");
lua_pushstring(L, "ipc");
@@ -300,4 +284,3 @@ tarantool_lua_ipc_init(struct lua_State *L)
lua_settable(L, -3);
lua_pop(L, 1);
}
-
diff --git a/test/box/ipc.result b/test/box/ipc.result
index 943cb85a02dcea5e2aab0463345bfd4b92417f96..8ff60697d791a716b02cbb6cf8b7c6d898c6e047 100644
--- a/test/box/ipc.result
+++ b/test/box/ipc.result
@@ -229,3 +229,81 @@ tfbr2 - 43
tfbr - 44
tfbr2 - 45
...
+lua ch = box.ipc.channel(1)
+---
+...
+lua ch:is_closed()
+---
+ - false
+...
+lua passed = false
+---
+...
+lua type(box.fiber.wrap(function() if ch:get() == nil then passed = true end end))
+---
+ - userdata
+...
+lua ch:close()
+---
+...
+lua passed
+---
+ - true
+...
+lua ch:get()
+---
+ - nil
+...
+lua ch:get()
+---
+ - nil
+...
+lua ch:put(10)
+---
+ - false
+...
+lua ch:is_closed()
+---
+ - true
+...
+lua ch = box.ipc.channel(1)
+---
+...
+lua ch:put(true)
+---
+ - true
+...
+lua ch:is_closed()
+---
+ - false
+...
+lua passed = false
+---
+...
+lua type(box.fiber.wrap(function() if ch:put(true) == false then passed = true end end))
+---
+ - userdata
+...
+lua ch:close()
+---
+...
+lua passed
+---
+ - true
+...
+lua ch:get()
+---
+ - nil
+...
+lua ch:get()
+---
+ - nil
+...
+lua ch:put(10)
+---
+ - false
+...
+lua ch:is_closed()
+---
+ - true
+...
diff --git a/test/box/ipc.test b/test/box/ipc.test
index fd1d319e9f53816436bf347dfdb25ddb960a5520..fe43299dc94a7b5d4469e95dba16c410dd3df8da 100644
--- a/test/box/ipc.test
+++ b/test/box/ipc.test
@@ -59,3 +59,26 @@ exec admin "lua for i = 35, 45 do print(ch:put(i)) end"
exec admin "lua for i, v in pairs(buffer) do print(v) end"
+
+exec admin "lua ch = box.ipc.channel(1)"
+exec admin "lua ch:is_closed()"
+exec admin "lua passed = false"
+exec admin "lua type(box.fiber.wrap(function() if ch:get() == nil then passed = true end end))"
+exec admin "lua ch:close()"
+exec admin "lua passed"
+exec admin "lua ch:get()"
+exec admin "lua ch:get()"
+exec admin "lua ch:put(10)"
+exec admin "lua ch:is_closed()"
+
+exec admin "lua ch = box.ipc.channel(1)"
+exec admin "lua ch:put(true)"
+exec admin "lua ch:is_closed()"
+exec admin "lua passed = false"
+exec admin "lua type(box.fiber.wrap(function() if ch:put(true) == false then passed = true end end))"
+exec admin "lua ch:close()"
+exec admin "lua passed"
+exec admin "lua ch:get()"
+exec admin "lua ch:get()"
+exec admin "lua ch:put(10)"
+exec admin "lua ch:is_closed()"