Re: Inserts optimization? - Mailing list pgsql-performance

From Tom Lane
Subject Re: Inserts optimization?
Date
Msg-id 9549.1144903344@sss.pgh.pa.us
Whole thread Raw
In response to Re: Inserts optimization?  (Chris <dmagick@gmail.com>)
List pgsql-performance
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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