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< * 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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6
doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List PostgreSQL TODO List
==================== ====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) 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 The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html. 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 backends that also have the file open, and the feature is not supported
on all operating systems. on all operating systems.
* Consider use of open/fcntl(O_DIRECT) to minimize OS caching, * -Consider use of open/fcntl(O_DIRECT) to minimize OS caching,
especially for WAL writes for WAL writes
O_DIRECT doesn't have the same media write guarantees as fsync, so it 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. is in addition to the fsync method, not in place of it.

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doc/src/FAQ/TODO.html
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@ -8,7 +8,7 @@
<body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF"> <body bgcolor="#FFFFFF" text="#000000" link="#FF0000" vlink="#A00000" alink="#0000FF">
<h1><a name="section_1">PostgreSQL TODO List</a></h1> <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/> <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>
<p>The most recent version of this document can be viewed at<br/> <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>. <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 backends that also have the file open, and the feature is not supported
on all operating systems. on all operating systems.
</p> </p>
</li><li>Consider use of open/fcntl(O_DIRECT) to minimize OS caching, </li><li>-<em>Consider use of open/fcntl(O_DIRECT) to minimize OS caching,</em>
especially for WAL writes for WAL writes
<p> O_DIRECT doesn't have the same media write guarantees as fsync, so it <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. is in addition to the fsync method, not in place of it.
</p> </p>