Hi gryzman,
I have run vacuum full analyze on the cmrules tables. The version of pstgres is 8.2.13. How should I change stats to 100 ?
Thanks
________________________________
From: Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>
To: niraj patel <npatel(at)gridsolv(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Sent: Tue, 8 December, 2009 7:12:49 PM
Subject: Re: [PERFORM] Optimizing Bitmap Heap Scan.
it looks like it might choose wrong plan, cos it gets the stats wrong.
Try increasing number of stats to 100.
Btw, what version it is ?