Have you seen http://www.datastax.com/docs/0.8/troubleshooting/index#nodes-are-dying-with-oom-errors ?
On Mon, Jul 11, 2011 at 1:55 PM, Anurag Gujral <anurag.guj...@gmail.com> wrote: > Hi All, > I am getting following error from cassandra: > ERROR [ReadStage:23] 2011-07-10 17:19:18,300 > DebuggableThreadPoolExecutor.java (line 103) Error in ThreadPoolExecutor > java.lang.OutOfMemoryError: Java heap space > at > org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:49) > at > org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30) > at > org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:117) > at > org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:94) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:107) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:72) > at > org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59) > at > org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80) > at > org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1311) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1203) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131) > at org.apache.cassandra.db.Table.getRow(Table.java:333) > at > org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:60) > at > org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:69) > at > org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72) > 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) > INFO [ScheduledTasks:1] 2011-07-10 17:19:18,306 StatusLogger.java (line 66) > RequestResponseStage 0 0 > ERROR [ReadStage:23] 2011-07-10 17:19:18,306 AbstractCassandraDaemon.java > (line 114) Fatal exception in thread Thread[ReadStage:23,5,main] > java.lang.OutOfMemoryError: Java heap space > at > org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:49) > at > org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30) > at > org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:117) > at > org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:94) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:107) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:72) > at > org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59) > at > org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80) > at > org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1311) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1203) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1131) > > > Can someone please help debug this? The maximum heap size is 28G . > > I am not sure why cassandra is giving Out of memory error here. > > Thanks > Anurag > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
