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Update: 

>
> 	o  -Add ability to turn off full page writes
> 	o  When off, write CRC to WAL and check file system blocks
> 	   on recovery
> 	o  Write full pages during file system write and not when
> 	   the page is modified in the buffer cache
>
> 	   This allows most full page writes to happen in the background
> 	   writer.
This commit is contained in:
Bruce Momjian 2005-07-07 15:18:26 +00:00
parent 1c883366ef
commit f0a2a91918
2 changed files with 21 additions and 2 deletions
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11
doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Tue Jul 5 23:40:06 EDT 2005
Last updated: Thu Jul 7 11:18:18 EDT 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -936,6 +936,15 @@ Write-Ahead Log
partial page writes during recovery. These pages can also be
eliminated from point-in-time archive files.
o -Add ability to turn off full page writes
o When off, write CRC to WAL and check file system blocks
on recovery
o Write full pages during file system write and not when
the page is modified in the buffer cache
This allows most full page writes to happen in the background
writer.
* Reduce WAL traffic so only modified values are written rather than
entire rows?
* Add WAL index reliability improvement to non-btree indexes

12
doc/src/FAQ/TODO.html
View File

@ -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: Tue Jul 5 23:40:06 EDT 2005
Last updated: Thu Jul 7 11:18:18 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>.
@ -844,6 +844,16 @@ first.
partial page writes during recovery. These pages can also be
eliminated from point-in-time archive files.
</p>
<ul>
<li>-Add ability to turn off full page writes
</li><li>When off, write CRC to WAL and check file system blocks
on recovery
</li><li>Write full pages during file system write and not when
the page is modified in the buffer cache
<p> This allows most full page writes to happen in the background
writer.
</p>
</li></ul>
</li><li>Reduce WAL traffic so only modified values are written rather than
entire rows?
</li><li>Add WAL index reliability improvement to non-btree indexes