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pgsql: Improve the documentation on 8.4 visibility map related VACUUM

From: heikki(at)postgresql(dot)org (Heikki Linnakangas)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Improve the documentation on 8.4 visibility map related VACUUM
Date: 2009-04-23 10:09:11
Message-ID: 20090423100911.9B84D75331D@cvs.postgresql.org (view raw or flat)
Thread:
Lists: pgsql-committers
Log Message:
-----------
Improve the documentation on 8.4 visibility map related VACUUM changes.
Explain how vacuum_freeze_table_age should be tuned, and how it relates
to the other settings. Mention that vacuum_freeze_table_age also affects
when autovacuum scans the whole table.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        maintenance.sgml (r1.92 -> r1.93)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/maintenance.sgml?r1=1.92&r2=1.93)

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Next:From: Heikki LinnakangasDate: 2009-04-23 10:20:27
Subject: pgsql: Mention that tables have a visibility map fork alongside the main
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Subject: pgsql: varstr_cmp and any comparison function that piggybacks on it can

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