[squid-users] Essential ICAP service eown error not working reliably

Hi,

We have an application that integrates with squid over ICAP - a java based application. We're finding that the java application has very long garbage collection pauses at times (20+ seconds), where the application becomes completely unresponsive.

We have squid configured to use this application as an essential service, with a timeout for 20 seconds. If the application goes into a GC pause, squid can throw an 'essential ICAP service is down' error.

The problem is most of the time it doesn't. It only happens maybe 20% of the time - even though some of the pauses are 25 seconds+.

Squid is setup to do an 'OPTIONS' request on the java application every second, so I don't understand why it doesn't detect the java application becoming unresponsive.

Any feedback much appreciated.

Thanks,
Justin
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Received on Tue Oct 11 2011 - 08:29:05 MDT