Re: db growing out of proportion

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От Tomas Szepe
Тема Re: db growing out of proportion
Дата
Msg-id 20030530072442.GD14159@louise.pinerecords.com
обсуждение исходный текст
Ответ на Re: db growing out of proportion  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Ответы Re: db growing out of proportion  (Peter Childs <blue.dragon@blueyonder.co.uk>)
Re: db growing out of proportion  (Stephan Szabo <sszabo@megazone23.bigpanda.com>)
Список pgsql-bugs
> [sszabo@megazone23.bigpanda.com]
>
> > Trouble is, as the rows in the tables get deleted/inserted/updated
> > (the frequency being a couple thousand rows per minute), the database
> > is growing out of proportion in size.  After about a week, I have
> > to redump the db by hand so as to get query times back to sensible
> > figures.  A transaction that takes ~50 seconds before the redump will
> > then complete in under 5 seconds (the corresponding data/base/ dir having
> > shrunk from ~2 GB to ~0.6GB).
> >
> > A nightly VACCUM ANALYZE is no use.
> >
> > A VACUUM FULL is no use.
> >
> > A VACUUM FULL followed by REINDEX is no use.
>
> Is the space being taken up by stats_min, this index, some other object?

             relname             | relkind | relpages |  reltuples
---------------------------------+---------+----------+-------------
 stats_hr                        | r       |    61221 | 3.01881e+06
 stats_hr_pkey                   | i       |    26414 | 3.02239e+06
 stats_min_pkey                  | i       |    20849 |      953635
 stats_hr_start                  | i       |    17218 | 3.02142e+06
 stats_min_start                 | i       |    15284 |      949788
 stats_min                       | r       |    10885 |      948792
 authinfo_pkey                   | i       |     1630 |        1342
 authinfo                        | r       |     1004 |        1342
 contract_ips                    | r       |      865 |         565
 contract_ips_pkey               | i       |      605 |         565

> What does VACUUM FULL VERBOSE stats_min; give you?

Sorry, I can't run a VACUUM FULL at this time.
We're in production use.

--
Tomas Szepe <szepe@pinerecords.com>

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