BREAKING CHANGE: as soon as PostgreSQL protocol
is enabled by default, we must be careful with
`--pg-listen` cli flag when creating more than
a single instance, because we will suddenly get
a port confict error (busy port)

Before this fix if requesting RPC by an invalid bucket_id we would send
an RPC to every replicaset to check if they have such a bucket_id.
This is not needed because we know the allowed range.

Introduce new parameters for alter system:
  - vdbe_max_steps
  - vtable_max_rows

Add alter system cluster_wal_max_size and cluster_wal_max_count parameters
which control the auto compaction of _raft_log system space based on
the size in bytes and number of tuples respectively.

Add new config::AlterSystemParameters struct which is responsible
for definitions of system parameters, their default values and mapping
to sbroad type.

This is a big step towards moving all system parameters from
_pico_property into another system table.

Move vshard related fields from _pico_property to _pico_tier
and adapt it in governor algorithm

Kurdakov Alexander authored 8 months ago and Alexander Kurdakov committed 7 months ago

Creating default tier on absence of `tier` section in configuration file
taking into account `default_replication_factor`.

default tier persisted only in the absence of configuration file

This partially reverts commit 6f0cee63.

Kurdakov Alexander authored 9 months ago and Alexander Kurdakov committed 9 months ago

following sections were renamed:
tiers -> tier
peers -> peer

Georgy Moshkin authored 10 months ago and Dmitry Rodionov committed 9 months ago

Previously tests did change environment variables and since they run in
parallel this lead to other tests failing because of unexpected env
content

Co-authored-by: Dmitry Rodionov <d.rodionov@picodata.io>

this fixes the following bug:
```
picodata run --data-dir tmp/i1/
C> invalid socket path: tmp/i1//admin.sock
[supervisor:214288] no ipc message from child
[supervisor:214288] subprocess 214289 exited with code 1
```