From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Rajesh Kumar <rajeshkumar.dba09@gmail.com>
To: Pgsql-admin <pgsql-admin@lists.postgresql.org>
Subject: Re: Wraparound
Date: Tue, 20 Feb 2024 08:23:34 +0100
Message-ID: <11927075cfe167d8b64df7e767b595e27fabe3b0.camel@cybertec.at> (raw)
In-Reply-To: <CAJk5AtZmenJBWQmcru=fe_+Wzp90bpq5B68vHLrjTBkrEuRvhg@mail.gmail.com>
References: <CAJk5AtZmenJBWQmcru=fe_+Wzp90bpq5B68vHLrjTBkrEuRvhg@mail.gmail.com>
On Tue, 2024-02-20 at 10:02 +0530, Rajesh Kumar wrote:
> Is autovacuum wraparound issue is when transaction id reaches
> autovacuum_freeze_max_age or if transaction Reaches 2^32.
>
> My autovacuum_freeze_age setting is 200million.
>
> Db size is 150gb.
2^31 is the magical number at which very old transactions become
transactions from the future, which would cause data loss unless
all old rows have been frozen.
Yours,
Laurenz Albe
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To: pgsql-admin@postgresql.org
Cc: laurenz.albe@cybertec.at, rajeshkumar.dba09@gmail.com, pgsql-admin@lists.postgresql.org
Subject: Re: Wraparound
In-Reply-To: <11927075cfe167d8b64df7e767b595e27fabe3b0.camel@cybertec.at>
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