On 15.05.2012 14:07, Tom Lane wrote:
> Condor <condor@stz-bg.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.