vacuumdb uses a lot of disk

From: Alexander Shutyaev <shutyaev(at)gmail(dot)com>
To: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: vacuumdb uses a lot of disk
Date: 2013-08-15 05:40:54
Message-ID: CAGBp8g_Hzc0dsPz0ekbQ5XcaLf4pU3BshLGR88Ws=oQ3erg4+A@mail.gmail.com
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Hi all!

We have the following issue. When we use vacuumdb (NOT full) on our
postgres database (~320Gb) it takes up ~10Gb of disk space which is never
returned. Why is the space not returned?

Thanks in advance!

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