From: Andreas Kretschmer <akretschmer@spamfence.net>
To: pgsql-performance@postgresql.org
Subject: Re: Can't explain db size
Date: Tue, 15 Dec 2015 11:07:58 +0100
Message-ID: <20151215100757.GA20413@tux> (raw)
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Matteo Grolla <matteo.grolla@gmail.com> wrote:
>
> -------Questions----------------
>
> 1) Can you explain me the big difference between the result in A for table
> alf_node_properties: 17GB and the result in B: ~6GB ?
>
> 2) Can you explain me the difference between the result in B: ~6GB and the
> result in C, the sum of all column sizes, 3717MB ?
Maybe there are some dead tuples, run a VACUUM FULL (be careful, it
requires an explicit lock). And please keep in mind that a table
can contains indexes and other objects. A nice explanation and some ways
to gather informations on table-, index- and database sizes can you find
here:
http://andreas.scherbaum.la/blog/archives/282-table-size,-database-size.html
Regards, Andreas
--
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unintentional side effect. (Linus Torvalds)
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Subject: Re: Can't explain db size
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