[ic] Upgrade to Interchange-5.7.4 performance issues

Stefan Hornburg (Racke) racke at linuxia.de
Tue Mar 23 20:33:39 UTC 2010

Peter wrote:
> On 24/03/10 04:48, Gert van der Spoel wrote:
>>>> On 23/03/10 03:51, Bill Carr wrote:
>>>>> I just tried again with vlink and I still get the performance
>>>>> problems. I posted a new strace here
>>>>> http://www.bottlenose-wine.com/userfiles/strace.txt. Anymore ideas?
>> I noticed around line: 388985  that things look to go not according to plan.
>> It does (or tries to do) something with:
>> /usr/lib/perl5/site_perl/5.10.0/Tie/ShadowHash.pm
> I think that's used for sessions.  If so this could be a filesystem
> based problem.  I'm not sure what to do to troubleshoot that at this
> stage, try deleting all the session files to begin with.  Also of note
> is that this is a 5.10.0 module being used by perl 5.10.1.  Maybe you
> need to upgrade the Tie::ShadowHash module.  If upgrading the module
> doesn't work then do try compiling your own perl (doesn't have to be
> 5.8.9 as I said earlier, you could compile your own 5.10.1).  And build
> all new modules for it from the CPAN shell.  This will eliminate any
> other perl problems / incompatibilities.

This module is used in RPC traffic mode, is pure Perl and hasn't changed in ages.
So it is unlikely to be out-of-date.

Bill, what happens if you switch to low/high traffic mode?


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