Re: incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed

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От Tatsuki Kadomoto
Тема Re: incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed
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Msg-id BN6PR08MB26589667AD51E6F2988EA17D93E80@BN6PR08MB2658.namprd08.prod.outlook.com
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Ответ на Re: incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed  (Michael Paquier <michael.paquier@gmail.com>)
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Michael,


Thank you very much.


Regards,

Tatsuki

From: Michael Paquier <michael.paquier@gmail.com>
Sent: Monday, August 22, 2016 5:02:40 PM
To: Tatsuki Kadomoto
Cc: John R Pierce; PostgreSQL mailing lists
Subject: Re: [GENERAL] incorrect checksum detected on "global/pg_filenode.map" when VACUUM FULL is executed
 
On Mon, Aug 22, 2016 at 4:45 PM, Tatsuki Kadomoto
<tatsuki.kadomoto@proceranetworks.com> wrote:
> Thanks for suggestion for upgrade. I know that's the way to go, but it's not
> so easy due to circumstances on my side.

Well, I guess it depends on how much you care about your data.

> Meanwhile, could you tell me what is this "global/pg_filenode.map" for?

It is a relation map file referring a list of OID -> relfilenode. You
can look at the comments on top src/backend/utils/cache/relmapper.c
for more details.
--
Michael

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