Re: lost data, possible playback?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Palle Girgensohn <girgen(at)pingpong(dot)net>
Cc: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>, pgsql-admin(at)postgresql(dot)org, kudo(at)pingpong(dot)net
Subject: Re: lost data, possible playback?
Date: 2007-12-06 17:22:45
Message-ID: 16747.1196961765@sss.pgh.pa.us
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Palle Girgensohn <girgen(at)pingpong(dot)net> writes:
> Is the real reason for the negative answer that there is a "hole" in the
> pg_xlogs from 3 am - 9 am?

That's half of it. The other half is that what you have from 3am is a
pg_dump, not a filesystem-level snapshot of the database, and you'd need
the latter to be able to replay the WAL log against.

regards, tom lane

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