| From: | Jochen Erwied <jochen(at)pgsql-performance(dot)erwied(dot)eu> |
|---|---|
| To: | Tory M Blue <tmblue(at)gmail(dot)com> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: bgwriter, checkpoints, curious (seeing delays) |
| Date: | 2010-02-26 06:29:22 |
| Message-ID: | 1418021012.20100226072922@erwied.eu |
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| Lists: | pgsql-performance |
Friday, February 26, 2010, 7:20:38 AM you wrote:
> "checkpoint_completion_target (floating point)
> interesting that it's a .5 second default setting and I'm seeing
> exactly that .5 second delay.
It's not an exact time, but a multiplier to 'checkpoint_timeout'. So a
setting of .5 with a timeout of 300 seconds means a checkpoint should be
completed after 300*0.5 = 150 seconds.
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