Re: db growing out of proportion

From: Tomas Szepe <szepe(at)pinerecords(dot)com>
To: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: db growing out of proportion
Date: 2003-05-30 07:24:42
Message-ID: 20030530072442.GD14159@louise.pinerecords.com
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> [sszabo(at)megazone23(dot)bigpanda(dot)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(at)pinerecords(dot)com>

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