Add detail:

> > If CRC check fails during recovery, remember the page in case > a later CRC for that page properly matches. >
21 years ago · f387e0615c
parent 85e9a5a014
commit f387e0615c
2 changed files with 9 additions and 2 deletions
--- a/doc/TODO
+++ b/doc/TODO
@ -2,7 +2,7 @@
 PostgreSQL TODO List
 ====================
 Current maintainer:	Bruce Momjian (pgman@candle.pha.pa.us)
-Last updated:		Thu Jul 28 23:22:50 EDT 2005
+Last updated:		Fri Jul 29 12:05:22 EDT 2005

 The most recent version of this document can be viewed at
 http://www.postgresql.org/docs/faqs.TODO.html.
@ -938,6 +938,10 @@ Write-Ahead Log
 	o  -Add ability to turn off full page writes
 	o  When off, write CRC to WAL and check file system blocks
 	   on recovery
+
+	   If CRC check fails during recovery, remember the page in case
+	   a later CRC for that page properly matches.
+
 	o  Write full pages during file system write and not when
 	   the page is modified in the buffer cache

--- 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:           Thu Jul 28 23:22:50 EDT 2005
+Last updated:           Fri Jul 29 12:05:22 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>.
@ -848,6 +848,9 @@ first.
    <li>-Add ability to turn off full page writes
    </li><li>When off, write CRC to WAL and check file system blocks
           on recovery
+<p>           If CRC check fails during recovery, remember the page in case
+           a later CRC for that page properly matches.
+</p>
    </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