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List:       pgsql-performance
Subject:    Re: Delete huge Table under XFS
From:       Christoph Berg <myon () debian ! org>
Date:       2019-09-19 17:27:13
Message-ID: 20190919172713.GA6865 () msg ! df7cb ! de
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Re: Joao Junior 2019-09-19 <CABnPa_hdHsdypn7HtXU81B9HcrVcimotnwfzE-MWwO1etWYJzA@mail.gmail.com>
> A table with 800 gb means 800 files of 1 gb. When I use truncate or drop
> table,  xfs that is a log based filesystem,  will write lots of data in its
> log and this is the problem. The problem is not postgres, it is the way
> that xfs works with big files , or being more clear, the way that it
> handles lots of files.

Why is the runtime of a DROP TABLE command important? Is anything
waiting for it?

Christoph


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