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Re: Very bad performance

From: Paul Koning <pkoning_at_equallogic.com>
Date: 2005-09-06 22:56:26 CEST

>>>>> "Ryan" == Ryan Schmidt <subversion-2005@ryandesign.com> writes:

 Ryan> In addition to the issue Stephen mentioned, there is a
 Ryan> performance issue on some operating systems when APR is
 Ryan> compiled to use /dev/ random instead of
 Ryan> /dev/urandom. Unfortunately I believe this is the default, as
 Ryan> it's how it ended up on my system when I installed Subversion
 Ryan> via DarwinPorts:

 Ryan> $ cd /opt/local/lib $ grep /dev/random libapr-0.0.dylib Binary
 Ryan> file libapr-0.0.dylib matches $ grep /dev/urandom
 Ryan> libapr-0.0.dylib $

 Ryan> I do not know if Mac OS X is affected by the problem, but if
 Ryan> you find that your APR also uses /dev/random, you can try
 Ryan> changing it. There's a switch you pass to the ./configure
 Ryan> program to tell it which source of entropy to use.

I couldn't find any switch for that, but the Mac manpages says it does
not implement that bug.

    paul

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Received on Tue Sep 6 22:58:15 2005

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