You are right Samal, configuring cassandra-env.sh a little bit and let it calculate heap size solved the problem! thank you!
On Mon, Dec 5, 2011 at 11:23, Harald Falzberger <h.falzber...@gmail.com> wrote: > 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) >> >>