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Commit 5bcf8264 authored by Дмитрий Кольцов's avatar Дмитрий Кольцов
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perf(cartridge/execute_sql): use 'callbre' instead of 'callro' to execute SQL

Basically callbre means that we call replicaset with two additional parameters:
    1) prefer_replica = true. We can use read from replicas because
        transactional consistency is out of Sbroad scope. Basically we
        do not care about data consistency at all.
    2) balance = true. This parameters enables internal vshard load
        balancing between replicaset nodes in round-robin fashion,
        with a preference for replicas if prefer_replica=true is also set
parent 39fd6e37
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