Re: [infinispan-dev] Infinispan Large Scale support

From: galder(a)redhat.com Date: Wed, 6 Apr 2011 20:44:44 +0200 To: infinispan-dev(a)lists.jboss.org Subject: Re: [infinispan-dev] Infinispan Large Scale support David, Removing FLUSH is something that causes issues as highlighted by https://issues.jboss.org/browse/ISPN-937 Cheers, On Apr 4, 2011, at 5:45 PM, david marion wrote: > > Good news! I was able to use the system property from ISPN-83 and remove the FLUSH from the jgroups config with 4.2.1.FINAL, and start-up times are much much better. We have a replicated cache on about 420+ nodes up in under 2 minutes. I am seeing an issue with the distributed cache though with as little as 5 nodes. > > In the coordinator log I see > > org.infinispan.distribution.DistributionmanagerImpl: Detected a view change. Member list changed....... > org.infinispan.distribution.DistributionmanagerImpl: This is a JOIN event! Wait for notification from new joiner <name> > > In the log from the joining node I see: > > org.infinispan.distribution.JoinTask: Commencing rehash on node: <name>. Before start, distributionManager.joinComplete=false > org.infinispan.distribution.JoinTask: Requesting old consistent hash from coordinator > > I jstack'd the joiner, the DefaultCacheManager.getCache() method is waiting on org.infinispan.distribution.DistributionManagerImpl.waitForJoinToComplete() and the Rehasher thread > is waiting on: > > at org.infinispan.util.concurrent.ReclosableLatch.await(ReclosableLatch.java:75) > at org.infinipsan.remoting.transport.jgroups.JGroupsDistSync.blockUntilNoJoinsInProgress(JGroupsDistSync.java:113) > > Any thoughts? > > > Date: Wed, 23 Mar 2011 15:58:19 +0100 > > From: bban(a)redhat.com > > To: infinispan-dev(a)lists.jboss.org > > Subject: Re: [infinispan-dev] Infinispan Large Scale support > > > > > > > > On 3/23/11 2:39 PM, david marion wrote: > > > > > > Bela, > > > > > > Is there a way to start up the JGroups stack on every node without using Infinispan? > > > > > > You could use ViewDemo [1] or Draw. Or write your own small test > > program; if you take a look at ViewDemo's src, you'll see that it's onyl > > a page of code. > > > > > > > Is there some functional test that I can run or something? I know I can't remove the FLUSH from Infinispan until 5.0.0 and I don't know if I can upgrade the underlying > > >JGroups jar. > > > > > > I suggest test with the latest JGroups (2.12.0) and +FLUSH and -FLUSH. > > The +FLUSH config should be less painful now, with the introduction of > > view bundling: we need to run flush fewer times than before. > > > > > > [1] http://community.jboss.org/wiki/TestingJBoss > > > > -- > > Bela Ban > > Lead JGroups / Clustering Team > > JBoss > > _______________________________________________ > > 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 -- Galder Zamarreño Sr. Software Engineer Infinispan, JBoss Cache _______________________________________________ infinispan-dev mailing list infinispan-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/infinispan-dev