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Re: Hot vs. Live Backups

From: Dimitri Papadopoulos-Orfanos <papadopo_at_shfj.cea.fr>
Date: 2005-09-20 16:03:28 CEST


> For things to be recoverable, the syscalls have to be done in the
> right order, so that a crash at any time leaves the on-disk data in a
> state where things can be recovered. It's easy to see how that can be
> true for bdb; it's not so obvious with fsfs given that you're
> depending on file system ordering and caching then.

I guess Subversion calls sync() at strategic places.

Actually I think it's not much different whether you're using bdb or
fsfs. In both cases many files are modified sequentially.

Dimitri Papadopoulos

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Received on Tue Sep 20 16:13:23 2005

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