diff options
| author | Bruce Momjian | 2007-06-08 18:45:22 +0000 |
|---|---|---|
| committer | Bruce Momjian | 2007-06-08 18:45:22 +0000 |
| commit | a3e3389913b47cc600d0588fe395da976b61806c (patch) | |
| tree | 4ad263491f190bda99d1a75aa10169ecc3c82c61 /doc/TODO | |
| parent | a04a423599b347325f9a73dfb2d533b24e1cbab3 (diff) | |
Done:
< * Allow sequential scans to take advantage of other concurrent
> * -Allow sequential scans to take advantage of other concurrent
<
< One possible implementation is to start sequential scans from the lowest
< numbered buffer in the shared cache, and when reaching the end wrap
< around to the beginning, rather than always starting sequential scans
< at the start of the table.
<
< http://archives.postgresql.org/pgsql-patches/2006-12/msg00076.php
< http://archives.postgresql.org/pgsql-hackers/2006-12/msg00408.php
< http://archives.postgresql.org/pgsql-hackers/2006-12/msg00784.php
< http://archives.postgresql.org/pgsql-hackers/2007-03/msg00415.php
<
Diffstat (limited to 'doc/TODO')
| -rw-r--r-- | doc/TODO | 15 |
1 files changed, 2 insertions, 13 deletions
@@ -1,7 +1,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (bruce@momjian.us) -Last updated: Sun Jun 3 14:49:04 EDT 2007 +Last updated: Fri Jun 8 14:45:14 EDT 2007 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -1132,19 +1132,8 @@ Cache Usage o Query execute plan o Query results -* Allow sequential scans to take advantage of other concurrent +* -Allow sequential scans to take advantage of other concurrent sequential scans, also called "Synchronised Scanning" - - One possible implementation is to start sequential scans from the lowest - numbered buffer in the shared cache, and when reaching the end wrap - around to the beginning, rather than always starting sequential scans - at the start of the table. - - http://archives.postgresql.org/pgsql-patches/2006-12/msg00076.php - http://archives.postgresql.org/pgsql-hackers/2006-12/msg00408.php - http://archives.postgresql.org/pgsql-hackers/2006-12/msg00784.php - http://archives.postgresql.org/pgsql-hackers/2007-03/msg00415.php - * Consider increasing internal areas when shared buffers is increased http://archives.postgresql.org/pgsql-hackers/2005-10/msg01419.php |