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Re: Subversion DB corruption

From: Max Bowsher <maxb_at_ukf.net>
Date: 2004-09-12 05:34:07 CEST

Mike Scott wrote:
> The machine hung, it wasn't a disk problem. I don't believe there was
> any hardware level corruption. If the journal files were corrupted, I'm
> curious how that happened. I'd like to know if there's a scenario
> whereby aborting in the middle of a write (e.g. by the processor
> overheating and just stopping running code, which I also suspect is what
> happened here) could cause corruption. Is it possible to rule that out?
> If not, then perhaps there's a weakness in the system that needs to be
> addressed.

I really don't know enough about BDB to answer that.

It does seem that we've had too many broken repositories to be entirely
written off as hardware faults - especially on OS X.

Unfortunately, it's remarkably hard to debug - no reproduction recipe has
surfaced, and it's not clear whether the underlying problem is in BDB, in
Subversion's use of BDB, or whether it really is some problem with the
particular machines & installations involved.

Max.

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Received on Sun Sep 12 05:39:58 2004

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