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Re-order item.

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> * Auto-fill the free space map by scanning the buffer cache or by
>   checking pages written by the background writer
< * Auto-fill the free space map by scanning the buffer cache or by
<   checking pages written by the background writer
This commit is contained in:
Bruce Momjian
2005-06-17 19:20:27 +00:00
parent 524ec00d3e
commit 5495575903
2 changed files with 6 additions and 6 deletions
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doc/TODO
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@ -2,7 +2,7 @@
PostgreSQL TODO List
====================
Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
Last updated: Fri Jun 17 09:47:23 EDT 2005
Last updated: Fri Jun 17 15:20:21 EDT 2005
The most recent version of this document can be viewed at
http://www.postgresql.org/docs/faqs.TODO.html.
@ -800,6 +800,8 @@ Vacuum
This allows vacuum to target specific pages for possible free space
without requiring a sequential scan.
* Auto-fill the free space map by scanning the buffer cache or by
checking pages written by the background writer
* Create a bitmap of pages that need vacuuming
Instead of sequentially scanning the entire table, have the background
@ -807,8 +809,6 @@ Vacuum
VACUUM can look at just those pages rather than the entire table. In
the event of a system crash, the bitmap would probably be invalidated.
* Auto-fill the free space map by scanning the buffer cache or by
checking pages written by the background writer
* Auto-vacuum
o Move into the backend code
o Use free-space map information to guide refilling