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From Sivan Sasidharan <sivan...@gmail.com>
Subject Out Of Memory Error - Accumulo & Storm
Date Tue, 24 Jun 2014 17:18:20 GMT
Accumulo fails with the below error when running in the storm cluster.
Please advice.

java.lang.OutOfMemoryError: unable to create new native thread
at java.lang.Thread.start0(Native Method)
at java.lang.Thread.start(Thread.java:640)
at
java.util.concurrent.ThreadPoolExecutor.addIfUnderCorePoolSize(ThreadPoolExecutor.java:703)
at
java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:652)
at
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:78)
at
org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter.addMutations(TabletServerBatchWriter.java:740)
at
org.apache.accumulo.core.client.impl.TabletServerBatchWriter$MutationWriter.addMutations(TabletServerBatchWriter.java:702)
at
org.apache.accumulo.core.client.impl.TabletServerBatchWriter.startProcessing(TabletServerBatchWriter.java:232)
at
org.apache.accumulo.core.client.impl.TabletServerBatchWriter.flush(TabletServerBatchWriter.java:320)
at
org.apache.accumulo.core.client.impl.BatchWriterImpl.flush(BatchWriterImpl.java:57)
at
com.ey.analytics.aap.realtime.core.bolts.adapters.RealTimeAccumuloTweetBolt.dataManipulate(RealTimeAccumuloTweetBolt.java:105)
at
com.ey.analytics.aap.realtime.core.bolts.RealTimeBolt.execute(RealTimeBolt.java:59)
at
backtype.storm.daemon.executor$fn__4050$tuple_action_fn__4052.invoke(executor.clj:566)
at
backtype.storm.daemon.executor$mk_task_receiver$fn__3976.invoke(executor.clj:345)
at
backtype.storm.disruptor$clojure_handler$reify__1606.onEvent(disruptor.clj:43)
at
backtype.storm.utils.DisruptorQueue.consumeBatchToCursor(DisruptorQueue.java:84)
at
backtype.storm.utils.DisruptorQueue.consumeBatchWhenAvailable(DisruptorQueue.java:58)
at
backtype.storm.disruptor$consume_batch_when_available.invoke(disruptor.clj:62)
at
backtype.storm.daemon.executor$fn__4050$fn__4059$fn__4106.invoke(executor.clj:658)
at backtype.storm.util$async_loop$fn__465.invoke(util.clj:377)
at clojure.lang.AFn.run(AFn.java:24)
at java.lang.Thread.run(Thread.java:662)


Thanks
Sivan Sasidaran

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