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From Mohit Anchlia <mohitanch...@gmail.com>
Subject Re: Cass 1.1.11 out of memory during compaction ?
Date Sun, 03 Nov 2013 21:19:00 GMT
Post your gc logs

Sent from my iPhone

On Nov 3, 2013, at 6:54 AM, Oleg Dulin  <oleg.dulin@gmail.com> wrote:

> Cass 1.1.11 ran out of memory on me with this exception (see below).
> 
> My parameters are 8gig heap, new gen is 1200M.
> 
> ERROR [ReadStage:55887] 2013-11-02 23:35:18,419 AbstractCassandraDaemon.java (line 132)
Exception in thread Thread[ReadStage:55887,5,main]
> java.lang.OutOfMemoryError: Java heap space
>       at org.apache.cassandra.io.util.RandomAccessReader.readBytes(RandomAccessReader.java:323)

>       at org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:398)
>       at org.apache.cassandra.utils.ByteBufferUtil.readWithShortLength(ByteBufferUtil.java:380)

>       at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:88)

>       at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:83)

>       at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:73)

>       at org.apache.cassandra.db.ColumnSerializer.deserialize(ColumnSerializer.java:37)

>       at org.apache.cassandra.db.columniterator.IndexedSliceReader$IndexedBlockFetcher.getNextBlock(IndexedSliceReader.java:179)

>       at org.apache.cassandra.db.columniterator.IndexedSliceReader.computeNext(IndexedSliceReader.java:121)

>       at org.apache.cassandra.db.columniterator.IndexedSliceReader.computeNext(IndexedSliceReader.java:48)

>       at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)

>       at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)

>       at org.apache.cassandra.db.columniterator.SSTableSliceIterator.hasNext(SSTableSliceIterator.java:116)

>       at org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:147)

>       at org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:126)

>       at org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:100)

>       at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)

>       at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)

>       at org.apache.cassandra.db.filter.SliceQueryFilter.collectReducedColumns(SliceQueryFilter.java:117)

>       at org.apache.cassandra.db.filter.QueryFilter.collateColumns(QueryFilter.java:140)

>       at org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:292)

>       at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:64)

>       at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1362)

>       at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1224)

>       at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1159)

>       at org.apache.cassandra.db.Table.getRow(Table.java:378)
>       at org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:69)

>       at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:51)
>       at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:59)

>       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

>       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

>       at java.lang.Thread.run(Thread.java:722)
> 
> 
> Any thoughts ?
> 
> This is a dual data center set up, with 4 nodes in each DC and RF=2 in each.
> 
> 
> -- 
> Regards,
> Oleg Dulin
> http://www.olegdulin.com
> 
> 

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