Re: Old pg_clog files

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net>
Cc: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Old pg_clog files
Date: 2017-10-29 20:37:48
Message-ID: CAKFQuwY8xKgNTFKipf875H4fWRpsgPTz0bd-12YMrSRF6Dq98Q@mail.gmail.com
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On Sunday, October 29, 2017, Ron Johnson <ron(dot)l(dot)johnson(at)cox(dot)net> wrote:

> Hi,
>
> v8.4.17
>
> http://www.postgresql-archive.org/pg-clog-questions-td2080911.html
>
> According to this old thread, doing a VACUUM on every table in the
> postgres, template1 and TAPd databases should remove old pg_clog files.
>
>
> However, while about 40 of them have been deleted, 183 still exist. What
> did I do wrong?
>
>

Reading the old thread it sounds like it might require multiple vacuums to
affect complete removal.

David J.

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