| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Chris <dmagick(at)gmail(dot)com> |
| Cc: | Francisco Reyes <lists(at)stringsutils(dot)com>, Pgsql performance <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Inserts optimization? |
| Date: | 2006-04-13 04:42:24 |
| Message-ID: | 9549.1144903344@sss.pgh.pa.us |
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| Lists: | pgsql-performance |
Chris <dmagick(at)gmail(dot)com> writes:
> Francisco Reyes wrote:
>> Doing my first write heavy database.
>> What settings will help improve inserts?
>> Only a handfull of connections, but each doing up to 30 inserts/second.
> If you can, use copy instead:
> http://www.postgresql.org/docs/8.1/interactive/sql-copy.html
Or at least try to do multiple inserts per transaction.
Also, increasing checkpoint_segments and possibly wal_buffers helps a
lot for write-intensive loads. Try to get the WAL onto a separate disk
spindle if you can. (These things don't matter for SELECTs, but they
do matter for writes.)
regards, tom lane
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