From: Scott Marlowe <scott.marlowe@gmail.com>
To: Lentes, Bernd <bernd.lentes@helmholtz-muenchen.de>
Cc: pgsql-admin@postgresql.org
Subject: Re: Question to transaction ID wraparound
Date: Fri, 27 Feb 2009 03:03:49 -0700
Message-ID: <dcc563d10902270203t19f5a541iac7d69a2bd87cd0c@mail.gmail.com> (raw)
In-Reply-To: <93739F94E0F3BA43AD72423E2482341AE064B7@sw-rz010.gsf.de>
References: <93739F94E0F3BA43AD72423E2482341AE064B7@sw-rz010.gsf.de>
On Wed, Feb 25, 2009 at 3:05 AM, Lentes, Bernd
<bernd.lentes@helmholtz-muenchen.de> wrote:
> Hello ML,
>
> I'm very new to Postgres.
> In the log, i got messages concerning transaction ID wraparound.
> I red the documentation and made a vaccum on that database.
> In the documentation i also found the hint to look in the database with
> "SELECT datname, age(datfrozenxid) FROM pg_database;", which i did.
> I did the command several times in a few seconds, and this number is growing very quickly,
> although i'm not expecting transactions in the database.
Please note that nearly EVERYTHING that happens in postgres is a
transaction. if you type a single command, boom, it's a transaction.
You actually get fewer transaction events if you enclose a bunch of
stuff in begin; commit; pairs than if you run single commands.
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To: pgsql-admin@postgresql.org
Cc: scott.marlowe@gmail.com, bernd.lentes@helmholtz-muenchen.de
Subject: Re: Question to transaction ID wraparound
In-Reply-To: <dcc563d10902270203t19f5a541iac7d69a2bd87cd0c@mail.gmail.com>
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