Re: question for users of NFS master/slave setups

2016-02-28 Thread artnaseef
64GB is a very large server in my experience. Many use-cases do not require this much memory, although some do. In fact, I've seen 2GB servers perform very well - again, for specific use-cases. As far as swapping - most Linux servers I've seen in the last 5 years (longer really) are configured w

Re: question for users of NFS master/slave setups

2016-02-28 Thread artnaseef
No idea on the mount settings - that was a while back. But again, I suspect even the default NFS mounts settings would work. My recommendation here - create a test setup, and perform some load tests. Tweak settings as desired and try again. If that feels inadequate (for example, there are conce

Re: activemq 5.13.1 gets stuck

2016-02-28 Thread Christopher Shannon
Looking at your thread dump, it appears that the cause is the profiler you are running. The thread dump shows the PrefetchSubscriptions waiting for the dispatch locks that are being held. One lock is held by org.netbeans.lib.profiler.server.ProfilerRuntimeCPU. Another lock is being held by the S

activemq 5.13.1 gets stuck

2016-02-28 Thread mikigur
hi ! I am running activemq 5.13.1 with java 1.7.0_51-b13. i am running 20 consumers (java + c code) + 4 dispatchers. activemq " seems to be stuck" no messages are consumed after enqueing around 1.3 million messages. see attchaed files for for configuration. enclosed is a "thread dump" trace