Re: In which catalog postgres Instance Crash time recorded ?

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От Raghavendra
Тема Re: In which catalog postgres Instance Crash time recorded ?
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Msg-id CA+h6AhiM2rCbJU5zd0Dk6AJUtCB-3SXpHyj1gGGnCBqtvi-hTQ@mail.gmail.com
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Ответ на Re: In which catalog postgres Instance Crash time recorded ?  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: In which catalog postgres Instance Crash time recorded ?  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Wed, Nov 23, 2011 at 9:01 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
Alex Shulgin <alex.shulgin@gmail.com> writes:
> How would it read that from a catalog if the cluster didn't recover
> from the crash yet?

> I'd think it's looking at last-modified timestamps of some of the
> PGDATA files instead.

No, it's looking at a last-update timestamp field in pg_control.

                       regards, tom lane

Thanks Tom.

So, Is it a approximate time of crash on the basis of last-modified timestamp of pg_control file ? 

--Raghav

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