From d14ca04e58569c963c65f202700bf3c8561f6e3b Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Tue, 11 Mar 2008 18:30:50 +0000 Subject: [PATCH] Add: > > * 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 --- doc/TODO | 8 +++++++- doc/src/FAQ/TODO.html | 7 ++++++- 2 files changed, 13 insertions(+), 2 deletions(-) diff --git a/doc/TODO b/doc/TODO index ba6221ebae..e190a53afa 100644 --- a/doc/TODO +++ b/doc/TODO @@ -1,7 +1,7 @@ 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 diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 5db40f6428..994b85c2e4 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@

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. @@ -949,6 +949,11 @@ first. There is also a developer's wiki at
one column or expression indexes, perhaps using per-index statistics

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