[ic] Interchange slows down over time

Jon Jensen jon at endpoint.com
Tue May 31 20:12:02 UTC 2011

On Tue, 31 May 2011, Margus Pau wrote:

> And increase in response time is about 3-4 seconds and then it stays 
> this way. Just after the restart the reponse time is below 1 second and 
> after some 15-20 minutes starts increasing. It seems that the same issue 
> does not occur when setting traffic mode to "high". But with "high" mode 
> we had the problem that occasionally interchange failed to send some 
> emails and encrypt credit card details.

What version of Interchange are you using? It sounds like you may have an 
older version that has problems with PreFork mode.

As for problems with email and credit card encryption (generally, any 
subprocess), see this commit:


Using PERL_SIGNALS=unsafe and setting MaxServers 0 will fix that.


Jon Jensen
End Point Corporation

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