From: | Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec> |
---|---|
To: | jian he <jian(dot)universality(at)gmail(dot)com> |
Cc: | pgsql-docs(at)lists(dot)postgresql(dot)org |
Subject: | Re: pg_stat_database view column xact_commit description should be more descriptive? |
Date: | 2022-12-16 20:40:30 |
Message-ID: | CAJKUy5iHOZZ+z66c3FUOWN_VVnYq-hDTeew_GK1JXmUdGw5Jvw@mail.gmail.com |
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On Fri, Jun 3, 2022 at 1:46 AM jian he <jian(dot)universality(at)gmail(dot)com> wrote:
>
>
> https://www.postgresql.org/docs/current/monitoring-stats.html#MONITORING-PG-STAT-DATABASE-VIEW
>>
>> xact_commit bigint
>>
>> Number of transactions in this database that have been committed
>
> In https://www.postgresql.org/docs/current/sql-begin.html
>
>> BEGIN initiates a transaction block, that is, all statements after a BEGIN command will be executed in a single transaction until an explicit COMMIT or ROLLBACK is given. By default (without BEGIN), PostgreSQL executes transactions in “autocommit” mode, that is, each statement is executed in its own transaction and a commit is implicitly performed at the end of the statement (if execution was successful, otherwise a rollback is done).
>
>
> I guess the pg_stat_database view column xact_commit refers to 'non-autocommit' transactions?
> If so, should we say something like "Number of autocommit transactions...."
>
Hi,
I want to hijack this thread to say that xact_commit seems to be also
counting COMMIT records received by logical replication.
Should we explain that in documentation?
What about physical replication? Are those also counted?
--
Jaime Casanova
Director de Servicios Profesionales
SYSTEMGUARDS S.A.
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