From: | Condor <condor(at)stz-bg(dot)com> |
---|---|
To: | <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Vacuum does not show in pg_stat_all_tables |
Date: | 2012-05-15 12:30:00 |
Message-ID: | 56f6a8a2b4c686b2cec184ffe54f21b7@stz-bg.com |
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Lists: | pgsql-general |
On 15.05.2012 14:07, Tom Lane wrote:
> Condor <condor(at)stz-bg(dot)com> writes:
>> today when I do select relname, last_autovacuum, last_vacuum from
>> pg_stat_all_tables I see last_vacuum and autovacuum fields is empty.
>> This its seems strange for me, because every night crontab start at
>> 01:10 am a vacuum script that do:
>> reindex, vacuum full and vacuum analyze. I run vacuumdb not vacuum
>> from
>> command line. I use posgresql 9.1.3.
>
> I think last_vacuum tracks regular vacuums, not vacuum full.
>
> This maintenance procedure seems like something that would have been
> appropriate back with postgres 7.something, anyway. Do you have any
> evidence that you need it at all? autovacuum works reasonably well
> for most people, and in any case it seems unlikely that you need a
> daily vacuum full or reindex.
>
> regards, tom lane
I use vacuum full because I have huge tables that every night is
deleted (truncated)
and I want my space back. I did not use autovacuum because in past some
times I lost
data when is inserted. In past is happened once every month or two some
record just missing.
Cheers,
C.
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