From: Thomas Kellerer <shammat@gmx.net>
To: pgsql-admin@lists.postgresql.org
Subject: Re: Locking in Inheritance partition
Date: Fri, 10 Dec 2021 11:37:42 +0100
Message-ID: <396391e4-e36a-d51d-2ef1-1e454fd4d6fa@gmx.net> (raw)
In-Reply-To: <CAMZ99nd5AxvTi9ydjv-FJWmaWbo-npoqLciOmyOPhm7BERjEPQ@mail.gmail.com>
References: <CAMZ99nd5AxvTi9ydjv-FJWmaWbo-npoqLciOmyOPhm7BERjEPQ@mail.gmail.com>
Gaurav Anand schrieb am 10.12.2021 um 07:35:
> We have a declarative partition on tables in our database which is
> PG10. We face issues as the table becomes locked during attach and
> detach and cannot be used during the event.
>
> We have a master and slave setup and application query points to
> Slave but whenever we perform attach and detach of partitions on
> Master the locks propagates to slave and causes Application to spin.
>
> Kindly suggest if Inheritance partition will help here or any other
> way I can avoid this lock.
I don't think inheritance would change the locks this requires.
A better solution might be to upgrade to 14 where both attach
and detach are non-blocking.
Postgres 12 introduced non-blocking attach and Postgres 14
introduced non-blocking detach
Thomas
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To: pgsql-admin@postgresql.org
Cc: shammat@gmx.net, pgsql-admin@lists.postgresql.org
Subject: Re: Locking in Inheritance partition
In-Reply-To: <396391e4-e36a-d51d-2ef1-1e454fd4d6fa@gmx.net>
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