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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Chris <dmagick@gmail.com>
Cc: Francisco Reyes <lists@stringsutils.com>
Cc: Pgsql performance <pgsql-performance@postgresql.org>
Subject: Re: Inserts optimization?
Date: Thu, 13 Apr 2006 00:42:24 -0400
Message-ID: <9549.1144903344@sss.pgh.pa.us> (raw)
In-Reply-To: <443DA715.4060606@gmail.com>
References: <cone.1144888738.434948.92126.5001@35st-server.simplicato.com>
	<443DA715.4060606@gmail.com>

Chris <dmagick@gmail.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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