| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Database size |
| Date: | 2007-06-15 04:58:06 |
| Message-ID: | 20070615045806.GA14492@a-kretschmer.de |
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| Lists: | pgsql-performance |
am Fri, dem 08.06.2007, um 1:22:14 -0700 mailte choksi folgendes:
> Hi all,
>
> I had a database which uses to hold some 50 Mill records and disk
> space used was 103 GB. I deleted around 34 Mill records but still the
> disk size is same. Can some on please shed some light on this.
DELETE only mark rows as deleted, if you need the space you need a
VACUUM FULL.
Read more: http://www.postgresql.org/docs/current/static/sql-vacuum.html
Andreas
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Andreas Kretschmer
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