pgsql: Avoid having autovacuum read pgstats data too many times in quick

From: alvherre(at)postgresql(dot)org (Alvaro Herrera)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Avoid having autovacuum read pgstats data too many times in quick
Date: 2007-09-24 04:12:01
Message-ID: 20070924041201.BE05F753E4C@cvs.postgresql.org
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Log Message:
-----------
Avoid having autovacuum read pgstats data too many times in quick succession.
This is problematic for the autovac launcher when there are many databases,
so we keep data for a full second before reading it again.

Modified Files:
--------------
pgsql/src/backend/postmaster:
autovacuum.c (r1.60 -> r1.61)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c?r1=1.60&r2=1.61)

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