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Re: Inserts optimization?

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 (view raw or flat)
Thread:
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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