| From: | momjian(at)svr1(dot)postgresql(dot)org (Bruce Momjian) |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Duplicate: < * Maintain a map of recently-expired rows < < |
| Date: | 2005-09-02 00:49:57 |
| Message-ID: | 20050902004957.47B59D6ED9@svr1.postgresql.org |
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| Lists: | pgsql-committers |
Log Message:
-----------
Duplicate:
< * Maintain a map of recently-expired rows
<
< This allows vacuum to target specific pages for possible free space
< without requiring a sequential scan.
<
Update entry:
> One complexity is that index entries still have to be vacuumed, and
> doing this without an index scan (by using the heap values to find the
> index entry) might be slow and unreliable, especially for user-defined
> index functions.
Modified Files:
--------------
pgsql/doc:
TODO (r1.1645 -> r1.1646)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/TODO.diff?r1=1.1645&r2=1.1646)
pgsql/doc/src/FAQ:
TODO.html (r1.152 -> r1.153)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/TODO.html.diff?r1=1.152&r2=1.153)
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