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From Harald Falzberger <h.falzber...@gmail.com>
Subject Re: OutOfMemory Exception during bootstrap
Date Mon, 05 Dec 2011 10:23:38 GMT
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 <samalgorai@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.falzberger@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)
>
>

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