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From "Philip Thompson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10666) jmx_test.TestJMX.test_compactionstats is flapping
Date Tue, 01 Dec 2015 19:26:11 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10666?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15034418#comment-15034418
] 

Philip Thompson commented on CASSANDRA-10666:
---------------------------------------------

The original issue is no longer happening. We now see an OOM in C*, and this appears to be
a bug. Stack trace is
{code}
ERROR [SharedPool-Worker-5] 2015-12-01 17:45:23,530 JVMStabilityInspector.java:139 - JVM state
determined to be unstable.  Exiting forcefully due to:\njava.lang.OutOfMemoryError: Java heap
space\n\tat java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57) ~[na:1.8.0_45]\n\tat
java.nio.ByteBuffer.allocate(ByteBuffer.java:335) ~[na:1.8.0_45]\n\tat org.apache.cassandra.utils.memory.SlabAllocator.getRegion(SlabAllocator.java:137)
~[main/:na]\n\tat org.apache.cassandra.utils.memory.SlabAllocator.allocate(SlabAllocator.java:97)
~[main/:na]\n\tat org.apache.cassandra.utils.memory.ContextAllocator.allocate(ContextAllocator.java:57)
~[main/:na]\n\tat org.apache.cassandra.utils.memory.ContextAllocator.clone(ContextAllocator.java:47)
~[main/:na]\n\tat org.apache.cassandra.utils.memory.MemtableBufferAllocator.clone(MemtableBufferAllocator.java:41)
~[main/:na]\n\tat org.apache.cassandra.db.Memtable.put(Memtable.java:221) ~[main/:na]\n\tat
org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:1145) ~[main/:na]\n\tat
org.apache.cassandra.db.Keyspace.apply(Keyspace.java:496) ~[main/:na]\n\tat org.apache.cassandra.db.Keyspace.apply(Keyspace.java:386)
~[main/:na]\n\tat org.apache.cassandra.db.Mutation.apply(Mutation.java:205) ~[main/:na]\n\tat
org.apache.cassandra.service.StorageProxy$$Lambda$174/976260132.run(Unknown Source) ~[na:na]\n\tat
org.apache.cassandra.service.StorageProxy$7.runMayThrow(StorageProxy.java:1246) ~[main/:na]\n\tat
org.apache.cassandra.service.StorageProxy$LocalMutationRunnable.run(StorageProxy.java:2383)
~[main/:na]\n\tat java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
~[na:1.8.0_45]\n\tat org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
{code}

> jmx_test.TestJMX.test_compactionstats is flapping
> -------------------------------------------------
>
>                 Key: CASSANDRA-10666
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10666
>             Project: Cassandra
>          Issue Type: Sub-task
>            Reporter: Sylvain Lebresne
>             Fix For: 3.0.1, 3.1
>
>
> See the [history for that test|http://cassci.datastax.com/job/cassandra-3.0_dtest/335/testReport/junit/jmx_test/TestJMX/test_compactionstats/history/].
On each failure there is something about a problem with {{jolokia}} so that's probably a test
environment problem. Still needs to be fixed.



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