I don't think that this is the problem because I'm testing on a supercomputer with 16T RAM.
Is it possible, that cassandra runs into this bug of the jvm? http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6399443 On Mon, Dec 5, 2011 at 06:29, samal <samalgo...@gmail.com> wrote: > Lower your heap size, if you are testing multiple instance with single node. > > https://github.com/apache/cassandra/blob/trunk/conf/cassandra-env.sh#L64 > > > On Sun, Dec 4, 2011 at 11:08 PM, Harald Falzberger <h.falzber...@gmail.com> > wrote: >> >> Hi, >> >> I'm trying to set up a test environment with 2 nodes on one physical >> machine with two ips. I configured both as adviced in the >> documentation: >> >> cluster_name: 'MyDemoCluster' >> initial_token: 0 >> seed_provider: >> - seeds: "IP1" >> listen_address: IP1 >> rpc_address: IP1 >> >> cluster_name: 'MyDemoCluster' >> initial_token: 85070591730234615865843651857942052864 >> seed_provider: >> - seeds: "IP1" >> listen_address: IP2 >> rpc_address: IP2 >> >> Node1 uses 7199 as JMX port, Node2 7198 because JMX by default is >> listening on all interfaces. >> >> When I bootstrap node2, on node1 following exception is thrown and >> node1 terminates. the same error occurs again if I try to restart >> node1 and node2 is still running. >> >> Does anyone of you have an idea why this happens? I'm starting each >> cassandra instance with 16GB RAM and my database is empty. >> >> Exception on Node1 >> java.lang.OutOfMemoryError: unable to create new native thread >> at java.lang.Thread.start0(Native Method) >> at java.lang.Thread.start(Thread.java:597) >> at >> java.util.concurrent.ThreadPoolExecutor.addIfUnderCorePoolSize(ThreadPoolExecutor.java:703) >> at >> java.util.concurrent.ThreadPoolExecutor.prestartAllCoreThreads(ThreadPoolExecutor.java:1384) >> at >> org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor.<init>(JMXEnabledThreadPoolExecutor.java:77) >> at >> org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor.<init>(JMXEnabledThreadPoolExecutor.java:65) >> at >> org.apache.cassandra.concurrent.StageManager.multiThreadedStage(StageManager.java:58) >> at >> org.apache.cassandra.concurrent.StageManager.<clinit>(StageManager.java:44) >> at >> org.apache.cassandra.net.MessagingService.receive(MessagingService.java:512) >> at >> org.apache.cassandra.net.IncomingTcpConnection.receiveMessage(IncomingTcpConnection.java:159) > >
