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From: Rafael Domiciano <rafael.domiciano@gmail.com>
To: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: checkpoint_timeout
Date: Tue, 7 Oct 2008 18:21:47 -0200
Message-ID: <3a0028490810071321j32b4f450m95123d02b9fe6f49@mail.gmail.com> (raw)

Hello there,
I'm having some slowndowns in my postgresql server, and I had been reading
something about checkpoints, that could resolve my problem.
Now, I have:
checkpoint_segments = 30                # in logfile segments, min 1, 16MB
each
#checkpoint_timeout = 5min

And I percebed that this slowndown is occuring for 5 min...! So I'm suposing
that the problem is in the checkpoint_timeout.

What's the impact to chang it to:
checkpoint_timeout = 2min or
checkpoint_timeout = 5min

Tnhks,

Rafael Domiciano

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