Hi, I am getting repeatable OOM during compaction:
ERROR [CompactionExecutor:1] 2011-03-29 14:52:29,193
AbstractCassandraDaemon.java (line 112) Fatal exception in thread
Thread[CompactionExecutor:1,1,main]
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
at java.io.DataOutputStream.write(DataOutputStream.java:90)
at
org.apache.cassandra.utils.ByteBufferUtil.write(ByteBufferUtil.java:237)
at
org.apache.cassandra.utils.ByteBufferUtil.writeWithLength(ByteBufferUtil.java:230)
at
org.apache.cassandra.db.ColumnSerializer.serialize(ColumnSerializer.java:56)
at
org.apache.cassandra.db.ColumnSerializer.serialize(ColumnSerializer.java:35)
at
org.apache.cassandra.db.ColumnFamilySerializer.serializeForSSTable(ColumnFamilySerializer.java:87)
at
org.apache.cassandra.db.ColumnFamilySerializer.serializeWithIndexes(ColumnFamilySerializer.java:106)
at
org.apache.cassandra.io.PrecompactedRow.<init>(PrecompactedRow.java:97)
at
org.apache.cassandra.io.CompactionIterator.getCompactedRow(CompactionIterator.java:147)
at
org.apache.cassandra.io.CompactionIterator.getReduced(CompactionIterator.java:108)
at
org.apache.cassandra.io.CompactionIterator.getReduced(CompactionIterator.java:43)
at
org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:73)
at
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:136)
at
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:131)
at
org.apache.commons.collections.iterators.FilterIterator.setNextObject(FilterIterator.java:183)
at
org.apache.commons.collections.iterators.FilterIterator.hasNext(FilterIterator.java:94)
at
org.apache.cassandra.db.CompactionManager.doCompaction(CompactionManager.java:449)
at
org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:124)
at
org.apache.cassandra.db.CompactionManager$1.call(CompactionManager.java:94)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
--
Marek Żebrowski
