On Jan 4, 2008, at 10:42 AM, Les Mikesell wrote:
> Steven Bakke wrote:
>> However through profiling we found a performance bottleneck in that
>> it starts a new repository session (network connection) once for
>> each target of the command. In our case the problem was with 'svn
>> update', but I think it applies to almost anything. The
>> performance became dominated by ~2-3 seconds per target overhead
>> each time it made a new svn+ssh connection to the server.
>
> What can possibly cause a several-second delay? Does your reverse
> DNS lookup resolve quickly? Are IDENT queries dropped and timing out?
>
I don't know for sure. First, there is the initiation of an SSH
connection. That is followed by creation of an ra_session. I'm
wondering if we could do a comparision by using the file:// access
method. I'm not the person who did the code profiling.
-steve
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Received on 2008-01-04 17:06:07 CET