>
> * Consider increasing the number of default statistics target, and
>   reduce statistics target overhead
>
>   Also consider having a larger statistics target for indexed columns
>   and expression indexes
This commit is contained in:
Bruce Momjian 2008-03-11 18:30:50 +00:00
parent 3879b62173
commit d14ca04e58
2 changed files with 13 additions and 2 deletions

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PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (bruce@momjian.us)
Last updated: Tue Mar 11 14:14:49 EDT 2008
Last updated: Tue Mar 11 14:30:45 EDT 2008
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -1085,6 +1085,12 @@ Indexes
http://archives.postgresql.org/pgsql-performance/2006-10/msg00222.php
http://archives.postgresql.org/pgsql-hackers/2007-03/msg01131.php
* Consider increasing the number of default statistics target, and
reduce statistics target overhead
Also consider having a larger statistics target for indexed columns
and expression indexes
* Consider compressing indexes by storing key values duplicated in
several rows as a single index entry

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<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1>
<p>Current maintainer: Bruce Momjian (<a href="mailto:bruce@momjian.us">bruce@momjian.us</a>)<br/>
Last updated: Tue Mar 11 14:14:49 EDT 2008
Last updated: Tue Mar 11 14:30:45 EDT 2008
</p>
<p>The most recent version of this document can be viewed at<br/>
<a href="http://www.postgresql.org/docs/faqs.TODO.html">http://www.postgresql.org/docs/faqs.TODO.html</a>.
@ -949,6 +949,11 @@ first. There is also a developer's wiki at<br/>
one column or expression indexes, perhaps using per-index statistics
<p> <a href="http://archives.postgresql.org/pgsql-performance/2006-10/msg00222.php">http://archives.postgresql.org/pgsql-performance/2006-10/msg00222.php</a>
<a href="http://archives.postgresql.org/pgsql-hackers/2007-03/msg01131.php">http://archives.postgresql.org/pgsql-hackers/2007-03/msg01131.php</a>
</p>
</li><li>Consider increasing the number of default statistics target, and
reduce statistics target overhead
<p> Also consider having a larger statistics target for indexed columns
and expression indexes
</p>
</li><li>Consider compressing indexes by storing key values duplicated in
several rows as a single index entry