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List:       cassandra-user
Subject:    Re: java.lang.OutOfMemoryError: Java heap space
From:       Jonathan Ellis <jbellis () gmail ! com>
Date:       2010-11-24 22:40:31
Message-ID: AANLkTimGbAhoATMMCu6Dnpa2=LZ0sWmw+N6gBFQ_gEwN () mail ! gmail ! com
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http://www.riptano.com/docs/0.6/troubleshooting/index#nodes-are-dying-with-oom-errors

On Wed, Nov 24, 2010 at 4:38 PM, zangds <zangds@ihep.ac.cn> wrote:
> Hi,
> I'm using apache-cassandra-0.7.0-beta3 , when I did some insertions into
> cassandra,I got errors that stop cassandra from working, anyone have a look
> on this?
> 
> WARN [ScheduledTasks:1] 2010-11-24 22:38:33,067 MessagingService.java (line 515) \
> Dropped 39 messages in the last 1000ms
> ERROR [ReadStage:3] 2010-11-24 22:38:33,075 AbstractCassandraDaemon.java (line 89) \
> Fatal exception in thread Thread[ReadStage:3,5,main]
> java.lang.OutOfMemoryError: Java heap space
> ERROR [ReadStage:7] 2010-11-24 22:38:49,581 AbstractCassandraDaemon.java (line 89) \
> Fatal exception in thread Thread[ReadStage:7,5,main]
> java.lang.OutOfMemoryError: Java heap space
> ERROR [ReadStage:4] 2010-11-24 22:38:49,581 AbstractCassandraDaemon.java (line 89) \
> Fatal exception in thread Thread[ReadStage:4,5,main]
> java.lang.OutOfMemoryError: Java heap space
> ERROR [ReadStage:6] 2010-11-24 22:38:49,580 AbstractCassandraDaemon.java (line 89) \
> Fatal exception in thread Thread[ReadStage:6,5,main]
> java.lang.OutOfMemoryError: Java heap space
> at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:89)
> at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:342)
> at org.apache.cassandra.db.SuperColumnSerializer.deserialize(SuperColumn.java:291)
> at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:79)
>  at org.apache.cassandra.db.columniterator.SimpleSliceReader.computeNext(SimpleSliceReader.java:40)
>  at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
>  at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
> at org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:108
>  )
> at org.apache.commons.collections.iterators.CollatingIterator.anyHasNext(CollatingIterator.java:364)
>  at org.apache.commons.collections.iterators.CollatingIterator.hasNext(CollatingIterator.java:217)
>  at org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:63)
>  at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
>  at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
> at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:122)
>  at org.apache.cassandra.db.filter.QueryFilter.collectCollatedColumns(QueryFilter.java:146)
>  at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1208)
>  at org.apache.cassandra.db.ColumnFamilyStore.cacheRow(ColumnFamilyStore.java:1068)
> at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1092)
>  at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1055)
>  at org.apache.cassandra.db.Table.getRow(Table.java:359)
> at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:63)
>  at org.apache.cassandra.service.StorageProxy$weakReadLocalCallable.call(StorageProxy.java:722)
>  at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
> ......
> ERROR [ReadStage:2] 2010-11-24 22:38:49,580 AbstractCassandraDaemon.java (line 89) \
> Fatal exception in thread Thread[ReadStage:2,5,main]
> java.lang.OutOfMemoryError: Java heap space
> ERROR [pool-1-thread-2427] 2010-11-24 22:38:49,580 Cassandra.java (line 2792) \
> Internal error processing mult iget_slice
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: \
> java.lang.OutOfMemoryError: Java heap s pace
> at org.apache.cassandra.service.StorageProxy.weakRead(StorageProxy.java:280)
> at org.apache.cassandra.service.StorageProxy.readProtocol(StorageProxy.java:223)
> at org.apache.cassandra.thrift.CassandraServer.readColumnFamily(CassandraServer.java:131)
>  at org.apache.cassandra.thrift.CassandraServer.getSlice(CassandraServer.java:227)
> at org.apache.cassandra.thrift.CassandraServer.multigetSliceInternal(CassandraServer.java:305)
>  at org.apache.cassandra.thrift.CassandraServer.multiget_slice(CassandraServer.java:277)
>  at org.apache.cassandra.thrift.Cassandra$Processor$multiget_slice.process(Cassandra.java:2784)
>  at org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2555)
> at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.jav
>  a:167)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
> Caused by: java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: \
> Java heap space at \
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) at \
> java.util.concurrent.FutureTask.get(FutureTask.java:111) at \
>                 org.apache.cassandra.service.StorageProxy.weakRead(StorageProxy.java:276)
>                 
> ... 11 more
> Caused by: java.lang.OutOfMemoryError: Java heap space
> 
> 
> 2010-11-24
> ________________________________
> zangds



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com


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