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Mention removal of page images in PITR files:

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<   partial page writes during recovery.
>   partial page writes during recovery.  These pages can also be
>   eliminated from point-in-time archive files.
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Bruce Momjian 2004-08-23 21:56:50 +00:00
parent 728026a6bc
commit 059912ce2e
1 changed files with 3 additions and 2 deletions
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@ -5,7 +5,7 @@ TODO list for PostgreSQL
Bracketed items "[]" have more detail. Bracketed items "[]" have more detail.
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us) Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Fri Aug 20 16:07:04 EDT 2004 Last updated: Mon Aug 23 17:56:39 EDT 2004
The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org. The most recent version of this document can be viewed at the PostgreSQL web site, http://www.PostgreSQL.org.
@ -737,7 +737,8 @@ Write-Ahead Log
Currently, to protect against partial disk page writes, we write the Currently, to protect against partial disk page writes, we write the
full page images to WAL before they are modified so we can correct any full page images to WAL before they are modified so we can correct any
partial page writes during recovery. partial page writes during recovery. These pages can also be
eliminated from point-in-time archive files.
* Reduce WAL traffic so only modified values are written rather than * Reduce WAL traffic so only modified values are written rather than
entire rows (?) entire rows (?)