Re: Very slow (2 tuples/second) sequential scan after bulk insert; speed returns to ~500 tuples/second after commit - Mailing list pgsql-performance

From Simon Riggs
Subject Re: Very slow (2 tuples/second) sequential scan after bulk insert; speed returns to ~500 tuples/second after commit
Date
Msg-id 1205186427.4269.179.camel@ebony.site
Whole thread Raw
In response to Re: Very slow (2 tuples/second) sequential scan after bulk insert; speed returns to ~500 tuples/second after commit  ("Heikki Linnakangas" <heikki@enterprisedb.com>)
Responses Re: Very slow (2 tuples/second) sequential scan afterbulk insert; speed returns to ~500 tuples/second after commit
List pgsql-performance
On Mon, 2008-03-10 at 11:01 +0000, Heikki Linnakangas wrote:
> According
> to oprofile, all the time is spent in TransactionIdIsInProgress.

I recently submitted a patch to optimise this. Your comments would be
welcome on the patch.

--
  Simon Riggs
  2ndQuadrant  http://www.2ndQuadrant.com

  PostgreSQL UK 2008 Conference: http://www.postgresql.org.uk


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