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Re: Checksum mismatch error becoming critical

From: Michael W Thelen <mike_at_pietdepsi.com>
Date: 2005-05-25 21:16:49 CEST

Robert Murphy wrote:
> After convincing my boss (and myself) that SVN would be a good
> replacement for his older revision control system we are now having
> second thoughts. Our company produces multimedia applications for
> pharmaceutical companies (some of which have expressed an interest in
> using SVN internally and we have lots of large binary files and very
> tight deadlines. We recently upgraded our server to a quad Xeon running
> Red Hat 7 and we have an svnserve server version 1.1.4 that was compiled
> with the –enable-all-static flag and is using Berkeley DB 4.2.52. We
> have all of our repositories under a single directory. Lately we have
> been getting a lot checksum mismatch errors when we do an update on our
> working copies. I went and did a “svnadmin verify” on the corresponding
> repositories and they come up clean (no checksum errors in the
> repository). I would like to use the SVN module under Apache 2 but since
> our server is outsourced the hosting company will not allow us to
> install it since they only support Apache 1.32. Basically I am stuck
> with svnserve. I am quickly running out of options here and my boss is
> understandably irritated with this issue. I have done several
> experiments where I can check out projects locally on the server with no
> problems. The issue appears to occur randomly when we do frequent
> updates on our working copy using TortiseSVN. I need to find some sort
> of solution soon or we will have to pull SVN out of our production
> pipeline and revert back to our old system…which would suck. My question
> is has anyone run svnserve on a machine with multiple processors? How
> about a quad system? Is the OS too old?

In my experience, such a checksum mismatch symptom indicates a network
problem, not a Subversion problem. The fact that everything works fine
from locally on the server seems to confirm this. Is there anything
between you and the server that may be mangling the network packets?

Check the archives for previous instances of other people asking similar
questions... hopefully you may find something useful there:

http://www.google.com/custom?domains=svn.haxx.se&q=checksum+mismatch&sa=Search&sitesearch=svn.haxx.se

-- 
Michael W Thelen
It is a mistake to think you can solve any major problems just with
potatoes.       -- Douglas Adams
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Received on Wed May 25 21:19:15 2005

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