Re: Optimizing Bitmap Heap Scan.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: niraj patel <npatel@xxxxxxxxxxxx>
Subject: Re: Optimizing Bitmap Heap Scan.
From: Grzegorz Jaśkiewicz <gryzman@xxxxxxxxx>
Date: Tue, 8 Dec 2009 13:42:49 +0000
Cc: pgsql-performance@xxxxxxxxxxxxxx
In-reply-to: <978609.36314.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <978609.36314.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>

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 ?

Follow-Ups:
- Re: Optimizing Bitmap Heap Scan.
  - From: niraj patel

References:
- Optimizing Bitmap Heap Scan.
  - From: niraj patel

Prev by Date: Optimizing Bitmap Heap Scan.
Next by Date: Re: Optimizing Bitmap Heap Scan.
Previous by thread: Optimizing Bitmap Heap Scan.
Next by thread: Re: Optimizing Bitmap Heap Scan.
Index(es):
- Date
- Thread

[Postgresql General] [Postgresql PHP] [PHP Users] [PHP Home] [PHP on Windows] [Kernel Newbies] [PHP Classes] [PHP Books] [PHP Databases] [Yosemite]

Powered by Linux