Re: Configuring PostgreSQL to minimize impact of checkpoints

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: jao(at)geophile(dot)com
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Configuring PostgreSQL to minimize impact of checkpoints
Date: 2004-05-10 19:09:32
Message-ID: 200405101909.i4AJ9Wv09415@candle.pha.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

jao(at)geophile(dot)com wrote:
> 4. I understand that a "background writer" is being contemplated for
> 7.5. Will that replace or augment the checkpoint process? Any
> comments on how that work will apply to my problem would be
> appreciated. I wouldn't mind seeing the average performance,
> (without the spikes) go up -- let's say -- 10%, in exchange for
> more uniform performance. These spikes are a real problem.

The background writer is designed to address your specific problem. We
will stil checkpoint, but the spike should be greatly minimized.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message scott.marlowe 2004-05-10 19:59:12 Re: Why queries takes too much time to execute?
Previous Message jao 2004-05-10 18:52:09 Configuring PostgreSQL to minimize impact of checkpoints