Re: could not truncate directory "pg_subtrans": apparent wraparound

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От Thomas Munro
Тема Re: could not truncate directory "pg_subtrans": apparent wraparound
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Msg-id CAEepm=3_H+e17cc7WF=_ePp_-2GoZ8A0XS6CWeS1jmPQt2S=Wg@mail.gmail.com
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Ответ на Re: could not truncate directory "pg_subtrans": apparent wraparound  (Thomas Munro <thomas.munro@enterprisedb.com>)
Ответы Re: could not truncate directory "pg_subtrans": apparent wraparound
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On Mon, Jun 8, 2015 at 12:29 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> Here's a repro script and a suggested patch.

Argh... I realised immediately after sending this that subtransaction
truncation doesn't even use the oldest XID computed by vacuum, it uses
GetOldestXmin (the "oldest transaction that was running when any
current transaction was started").  So here is an even simpler repro,
though the fix is the same (with different comments).

--
Thomas Munro
http://www.enterprisedb.com
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