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Re: Lockup while doing checkout and 'svnadmin load'

From: Ben Collins-Sussman <sussman_at_collab.net>
Date: 2003-05-21 16:19:25 CEST

Ben Collins <bcollins@debian.org> writes:

> One thing I am encountering is a lock between a checkout (via svnserve)
> and the update process which is calling "svnadmin load" to commit new
> revs from bkcvs.
> Obviously the checkout is very large, so while it is running, svnadmin
> is able to do many commits during the checkout. What I am seeing is
> svnadmin and the checkout both slowing gradually, and then both
> eventually going into deadlock (while consuming lots of cpu still).

This is really disturbing. There's absolutely no reason writers
should interefere with readers. 'svnadmin load' should be no
different than a user running 'svn commit' while some other user
performs a large 'svn checkout'.

The fact that both processes are both gradually slowing to a
halt... does that mean anything? Like perhaps we're creating too many

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Received on Wed May 21 16:21:19 2003

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