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From Harald Falzberger <h.falzber...@gmail.com>
Subject Re: OutOfMemory Exception during bootstrap
Date Tue, 06 Dec 2011 19:49:23 GMT
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.falzberger@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 <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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