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RE: svn client fails with Berkeley DB error Cannot allocate memory- repository wedges

From: James Goodall <jgoodall_at_dmetrix.com>
Date: 2004-06-01 20:00:11 CEST

I'm seeing a similar error, although under different conditions. Just after
upgrading to 1.0.4, I started getting hung
httpd->pre-commit->python2->svnperms.py processes and when enough of them
accrue (~10), I get this (or something similar) error message:

Berkeley DB error while opening 'uuids' table for filesystem
Cannot allocate memory

I gather that the hung process are hogging all of the locks somehow, but I
have no idea why the procs don't complete. It seems to only happen during a
nightly script that automatically checks out files, adds copyright
information to them, and checks them back in. The script is slightly
misconfigured such that it tries to update files under /tags which
svnperms.py is configured to deny, if that makes a difference (repeatedly
failing a permission check for checkin causes the process to hang??).
Restarting apache seems to (temporarily) clear things up.

I did not see this problem at all under 1.0.2 and I haven't changed anything
else in the system since the svn upgrade.
SVN: 1.0.4 (ra_dav)
HTTPD: 2.0.49
svnperms.py: whatever is shipped in 1.0.4 tarball
python: 2.1.1

 - James

-----Original Message-----
From: Ben Collins-Sussman [mailto:sussman@collab.net]
Sent: Sunday, May 30, 2004 7:55 PM
To: Martin J. Evans
Cc: users@subversion.tigris.org
Subject: Re: svn client fails with Berkeley DB error Cannot allocate memory-
repository wedges

On Fri, 2004-05-28 at 06:06, Martin J. Evans wrote:
> Berkeley DB error while opening 'transactions' table for filesys
> tem /var/subversion/distribution/linux-x86/db:
> Cannot allocate memory

IIRC, this error often means that BDB has run out of lock objects. Try
increasing the the number of locks in your repos/db/DB_CONFIG file and
then run 'svnadmin recover'.

I'd like to know what your script is doing (or what Web::SVN is doing)
that is so lock-intensive...

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Received on Tue Jun 1 20:01:01 2004

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