From 5b63e7b467fd888bc2813562fd03e5ccc5d6110c Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Fri, 29 Jul 2005 03:23:00 +0000 Subject: [PATCH] Done: < * Consider use of open/fcntl(O_DIRECT) to minimize OS caching, < especially for WAL writes > * -Consider use of open/fcntl(O_DIRECT) to minimize OS caching, > for WAL writes --- doc/TODO | 6 +++--- doc/src/FAQ/TODO.html | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/doc/TODO b/doc/TODO index 5c8f482ea1..e0cccd107b 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: Mon Jul 25 11:26:58 EDT 2005 +Last updated: Thu Jul 28 23:22:50 EDT 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -791,8 +791,8 @@ Cache Usage backends that also have the file open, and the feature is not supported on all operating systems. -* Consider use of open/fcntl(O_DIRECT) to minimize OS caching, - especially for WAL writes +* -Consider use of open/fcntl(O_DIRECT) to minimize OS caching, + for WAL writes O_DIRECT doesn't have the same media write guarantees as fsync, so it is in addition to the fsync method, not in place of it. diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 9f2b56b4c6..b4f11edce2 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: Mon Jul 25 11:26:58 EDT 2005 +Last updated: Thu Jul 28 23:22:50 EDT 2005

The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. @@ -716,8 +716,8 @@ first. backends that also have the file open, and the feature is not supported on all operating systems.

-
  • Consider use of open/fcntl(O_DIRECT) to minimize OS caching, - especially for WAL writes +
  • -Consider use of open/fcntl(O_DIRECT) to minimize OS caching, + for WAL writes

    O_DIRECT doesn't have the same media write guarantees as fsync, so it is in addition to the fsync method, not in place of it.