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RE: Stalling repository via WEBDAV

From: Arjan B <yboxlaptop_at_hotmail.com>
Date: 2005-05-27 00:04:51 CEST

Hello,

Not that tihs helps, but i have the same problem.
I'm also using gentoo and subserversion 1.1.3 (also tried 1.1.4 and 1.2.0)
When I try a checkout after a commit the machine is really slow and get
slower and slower.
But i'm not getting the 100% processor load , it juist doesn't do a thing

And a recover does the job quite good...

>From: Hannes Erven <h.e@gmx.at>

>
>Hi all,
>
>
>I run a subversion gentoo ebuild (1.1.3, latest one marked "stable" by
>gentoo) with a BDB repository.
>Access is only allowed via Apache 2 / mod_dav_svn. There is a post-commit
>hook script that uses the contributed perl script to send out changes that
>accesses the repository directly on the file system.
>As I felt this might be the source of the problem, I added a 60 seconds
>delay to the script, so it waits a minute after the commit before querying
>for changes.
>
>
>Every now and then, the repository "stalls": requests to it (webdav and
>direct) take ages to complete, e.g. a checkout that normally takes a minute
>slowed down to 2 hours - with full cpu usage on the server, but neither
>network traffic nor cpu usage on the client.
>The server has a P4-HT cpu in it, and top shows 99% cpu load by an apache
>process on one CPU, while the other one handles the other tasks.
>
>My recovery procedure is as follows:
>* shut down apache.
>* kill / kill -9 any SVN leftover processes (most of the time, there aren't
>any)
>* svnadmin recover
>* startup apache.
>
>After that, the repository happily serves requests again at normal speed.
>
>
>It seems, though I can't prove it, that this happens when there are
>concurrent read and write accesses. Unfortunately, I cannot reproduce the
>"stalling" repository.
>svnadmin recover correctly tells me that the repo is locked, so I assume
>that this is not a permission issue.
>
>
>I appreciate any help on this - thank you in advance!
>
>With best regards,
>
> -hannes
>
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Received on Fri May 27 00:06:19 2005

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