From 7a4c34c97ca546800678f65c466f4b42ae4ce7b8 Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Mon, 25 Apr 2005 01:42:41 +0000 Subject: [PATCH] Add description for concurrent sequential scans: > 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. --- doc/TODO | 6 +++++- doc/src/FAQ/TODO.html | 7 ++++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/doc/TODO b/doc/TODO index 6019a616fc..fca37d8992 100644 --- a/doc/TODO +++ b/doc/TODO @@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Sun Apr 24 08:39:04 EDT 2005 +Last updated: Sun Apr 24 21:42:27 EDT 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -740,6 +740,10 @@ Cache * Allow sequential scans to take advantage of other concurrent sequentiqal 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. Vacuum ====== diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 19ad67fbaa..957a6176e8 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -8,7 +8,7 @@

PostgreSQL TODO List

Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated: Sun Apr 24 08:39:04 EDT 2005 +Last updated: Sun Apr 24 21:42:27 EDT 2005

The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. @@ -677,6 +677,11 @@ first.

  • Allow sequential scans to take advantage of other concurrent sequentiqal 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. +

    • Vacuum

    -- 2.40.0