< * 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
This commit is contained in:
Bruce Momjian 2005-07-29 03:23:00 +00:00
parent c34bb00581
commit 5b63e7b467
2 changed files with 6 additions and 6 deletions

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@ -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.

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@ -8,7 +8,7 @@
<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:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br/>
Last updated: Mon Jul 25 11:26:58 EDT 2005
Last updated: Thu Jul 28 23:22:50 EDT 2005
</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>.
@ -716,8 +716,8 @@ first.
backends that also have the file open, and the feature is not supported
on all operating systems.
</p>
</li><li>Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
especially for WAL writes
</li><li>-<em>Consider use of open/fcntl(O_DIRECT) to minimize OS caching,</em>
for WAL writes
<p> 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.
</p>