From: Tom Lane <tgl@sss.pgh.pa.us>
To: gnanam@zoniac.com
Cc: pgsql-admin@postgresql.org
Cc: bnichols@ca.afilias.info
Subject: Re: last_autovacuum & last_autoanalyze showing NULL
Date: Wed, 25 Aug 2010 10:33:08 -0400
Message-ID: <19657.1282746788@sss.pgh.pa.us> (raw)
In-Reply-To: <001001cb445b$c43d8570$4cb89050$@com>
References: <001e01cb4427$76669a00$6333ce00$@com>
<001001cb445b$c43d8570$4cb89050$@com>
"Gnanakumar" <gnanam@zoniac.com> writes:
>> Has your Postgres instance crashed or been restarted with immediate mode
>> since the last vacuum? This will cause the autovacuum information to be
>> null.
> No, it's been up and running for almost a week. I even checked with "select
> pg_postmaster_start_time()".
I don't believe pg_postmaster_start_time() is reset by a
backend-crash-and-restart sequence ... but the stats collector data will
be. You might want to look into the postmaster log for evidence of
such a crash.
regards, tom lane
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To: pgsql-admin@postgresql.org
Cc: tgl@sss.pgh.pa.us, gnanam@zoniac.com, bnichols@ca.afilias.info
Subject: Re: last_autovacuum & last_autoanalyze showing NULL
In-Reply-To: <19657.1282746788@sss.pgh.pa.us>
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