Hi Jonathan, Thanks for your mail. But no-one of the things mentioned in the link pertains to OOM error I we are seeing. thanks Anurag
On Tue, Jul 12, 2011 at 10:42 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > 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 >