| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | simon(at)2ndquadrant(dot)com |
| Cc: | "'Rob Fielding'" <rob(at)dsvr(dot)net>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: WAL Optimisation - configuration and usage |
| Date: | 2004-03-02 01:01:29 |
| Message-ID: | 24768.1078189289@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-hackers-pitr pgsql-performance |
"Simon Riggs" <simon(at)2ndquadrant(dot)com> writes:
> - why checkpoint interval of 300 secs causes them to happen every 10
> mins in quieter periods; is that an occaisional update occurring?
There is code in there to suppress a checkpoint if no WAL-loggable
activity has happened since the last checkpoint. Not sure if that's
relevant to the issue or not though.
regards, tom lane
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