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| -rw-r--r-- | doc/TODO | 6 | ||||
| -rw-r--r-- | doc/src/FAQ/TODO.html | 5 |
2 files changed, 9 insertions, 2 deletions
@@ -2,7 +2,7 @@ PostgreSQL TODO List ==================== Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) -Last updated: Fri Jun 3 17:42:10 EDT 2005 +Last updated: Sat Jun 4 12:53:41 EDT 2005 The most recent version of this document can be viewed at http://www.postgresql.org/docs/faqs.TODO.html. @@ -722,6 +722,10 @@ Cache * Consider use of open/fcntl(O_DIRECT) to minimize OS caching, especially 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. + * -Cache last known per-tuple offsets to speed long tuple access * Speed up COUNT(*) diff --git a/doc/src/FAQ/TODO.html b/doc/src/FAQ/TODO.html index 16df40b9ef9..e42a8f921af 100644 --- a/doc/src/FAQ/TODO.html +++ b/doc/src/FAQ/TODO.html @@ -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: Fri Jun 3 17:42:10 EDT 2005 +Last updated: Sat Jun 4 12:53:41 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>. @@ -663,6 +663,9 @@ first. </p> </li><li>Consider use of open/fcntl(O_DIRECT) to minimize OS caching, especially 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> </li><li>-<em>Cache last known per-tuple offsets to speed long tuple access</em> </li><li>Speed up COUNT(*) <p> We could use a fixed row count and a +/- count to follow MVCC |