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Re: 1.1rc1 performance regression in 'svn status'

From: Peter N. Lundblad <peter_at_famlundblad.se>
Date: 2004-08-05 09:18:40 CEST

On Wed, 4 Aug 2004, Matt Doran wrote:

> SVN 1.0.6: ~ 4 secs
> SVN 1.1rc1: ~ 38 secs !!
>
> I used the Filemon utility from sysinternals to try to determine what it
> happening. It looks like 1.1 excessively hits 'iconv' files. (e.g.
> windows-1252.so, utf-8.so, etc)
>
I did some more checking in GDB. It appears that apr_xlate_open gets
called 4312 times out of 17204 calls to get_xlate_handle (in
libsvn_subr/utf.c).
This was during a run of "svn st" on trunk. This caching strategy needs to
be improved.
I don't know why it is faster on 1.0, though.

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Received on Thu Aug 5 09:06:21 2004

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