Re: [infinispan-dev] Is anyone else experiencing JGRP-1675

Udp or tcp? On Oct 11, 2013, at 8:41, Radim Vansa <rvansa(a)redhat.com&gt; wrote: > Hi, > > since Infinispan moved to JGroups 3.4, we're experiencing occassional > deadlocks in some tests - most of threads that send anything over > JGroups are waiting in JGroups' FlowControl.decrementCredits. The > problem sometimes goes away after several seconds, but it produces some > ugly spikes in our througput/response time charts. Originally this > affected just some RadarGun tests but this is appearing in some > client-server tests as well (we've recently investigated an issue where > this appeared in a regular soak test). > I was looking into that [1] for some time but haven't really figured out > the cause. The workaround is to set up MFC and UFC credits high enough > (I use 10M) and stuff works then. I was trying to reproduce that on pure > JGroups, but unsuccessfully. > I am not asking anyone to dig into that, but I wanted to know whether QA > is alone experiencing that or if there are more of us. > > Radim > > [1] https://issues.jboss.org/browse/JGRP-1675 > > -- > Radim Vansa <rvansa(a)redhat.com&gt; > JBoss DataGrid QA > > _______________________________________________ > infinispan-dev mailing list > infinispan-dev(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/infinispan-dev _______________________________________________ infinispan-dev mailing list infinispan-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/infinispan-dev