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Re: BDB 4.4 + forking svnserve weirdness (issue 2564)

From: Garrett Rooney <rooneg_at_electricjellyfish.net>
Date: 2006-06-08 03:45:50 CEST

On 6/7/06, Greg Hudson <ghudson@mit.edu> wrote:
> On Wed, 2006-06-07 at 21:38 -0400, Garrett Rooney wrote:
> > I'm sorry, I misspoke. It's not that it's paniced, it's that it's
> > invalidated (see the invalidate_env_baton callback in
> > libsvn_fs_base/bdb/env.c). I believe it's part of the infrastructure
> > that keeps you from running close twice on the same bdb environment.
> > When the bdb env cache pool is destroyed it invalidates all
> > outstanding cached environments. I'm not entirely clear on the
> > details, but I expect it's something related to making sure we don't
> > access memory after its pool is destroyed.
> So, we had a big discussion of this issue in the past, and I thought we
> came up with a proper solution, where destroying the cache pool would
> cleanly close the environments, and subsequent destruction of the FS
> object pools would do nothing. If we didn't, then Branko must have
> messed up, and I don't think the fix is to force the pool destruction
> order in svnserve or any other program.

Well, let's see what he has to say about it.

CCing Branko on this mail...


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Received on Thu Jun 8 03:46:18 2006

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