Re: I don't want to back up index files

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alan Hodgson <ahodgson(at)simkin(dot)ca>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: I don't want to back up index files
Date: 2009-03-12 23:28:07
Message-ID: 18402.1236900487@sss.pgh.pa.us
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Alan Hodgson <ahodgson(at)simkin(dot)ca> writes:
> I have done PITR recoveries (unfortunately). The log replay time dwarfs the
> time it takes to copy the index files back over (it is, honestly, slower
> than the original transactions were).

Yeah :-( ... the problem is that recovery is serialized while the
original transactions might have run in parallel. There is work
going on to improve that, but I don't know how much better it's
likely to get.

regards, tom lane

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