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Yuki Morishita edited comment on CASSANDRA-12477 at 8/17/16 2:50 PM: --------------------------------------------------------------------- You need to adjust "-XX:MaxDirectMemorySize" since it is OOMing when trying to allocate on native memory (not on heap). This is related to CASSANDRA-11710, but it's only for 3.x. We may need to backport it to 3.0.x (only {{BufferPool}} part). was (Author: yukim): You need to adjust "-XX:MaxDirectMemorySize" since it is OOMing when trying to allocate on native memory (not on heap). This is related to CASSANDRA-11710, but it's only for 3.x. We may need to backport it to 3.0.x. > BackgroundCompaction causes Node crash (OutOfMemoryError) > --------------------------------------------------------- > > Key: CASSANDRA-12477 > URL: https://issues.apache.org/jira/browse/CASSANDRA-12477 > Project: Cassandra > Issue Type: Bug > Environment: Ubuntu 14.04 LTS > Reporter: Kuku1 > Attachments: debug.log, system.log > > > After ingesting data, certain nodes of my cluster (2 out of 5) are not able > to restart because Compaction fails with the following exception. > I was running a write-heavy ingestion before things started to break. The > data size I was only 20GB but the ingestion speed was rather fast I guess. I > ingested with the datastax C* java driver and used writeAsync to pump my > BoundStatements to the Cluster. The ingestion client was running on a > different node connected via GBit LAN. > The nodes were unable to restart Cassandra. > I am using Cassandra 3.0.8. > I was using untouched parameters for the heap size in cassandra-env.sh. > After the nodes started failing to restart, I tried increasing MAX_JAVA_HEAP > to 36gb and NEW_SIZE to 12gb but the memory will completely be consumed and > then the exception will be thrown. > {code} > java.lang.OutOfMemoryError: Direct buffer memory > at java.nio.Bits.reserveMemory(Bits.java:693) ~[na:1.8.0_91] > at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123) > ~[na:1.8.0_91] > at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:311) > ~[na:1.8.0_91] > at > org.apache.cassandra.utils.memory.BufferPool.allocate(BufferPool.java:108) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.memory.BufferPool.access$1000(BufferPool.java:45) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.memory.BufferPool$LocalPool.allocate(BufferPool.java:387) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.memory.BufferPool$LocalPool.access$000(BufferPool.java:314) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.memory.BufferPool.takeFromPool(BufferPool.java:120) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.memory.BufferPool.get(BufferPool.java:92) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.util.RandomAccessReader.allocateBuffer(RandomAccessReader.java:87) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.compress.CompressedRandomAccessReader.access$100(CompressedRandomAccessReader.java:38) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.compress.CompressedRandomAccessReader$Builder.createBuffer(CompressedRandomAccessReader.java:275) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.util.RandomAccessReader.<init>(RandomAccessReader.java:74) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.compress.CompressedRandomAccessReader.<init>(CompressedRandomAccessReader.java:59) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.compress.CompressedRandomAccessReader$Builder.build(CompressedRandomAccessReader.java:283) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.util.CompressedSegmentedFile.createReader(CompressedSegmentedFile.java:145) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.util.SegmentedFile.createReader(SegmentedFile.java:133) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.sstable.format.SSTableReader.getFileDataInput(SSTableReader.java:1711) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.columniterator.AbstractSSTableIterator.<init>(AbstractSSTableIterator.java:93) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.columniterator.SSTableIterator.<init>(SSTableIterator.java:46) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.columniterator.SSTableIterator.<init>(SSTableIterator.java:36) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.sstable.format.big.BigTableReader.iterator(BigTableReader.java:62) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDiskInternal(SinglePartitionReadCommand.java:580) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDisk(SinglePartitionReadCommand.java:492) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > com.stratio.cassandra.lucene.IndexService.read(IndexService.java:618) > ~[cassandra-lucene-index-plugin-3.0.8.0.jar:na] > at > com.stratio.cassandra.lucene.IndexWriterWide.finish(IndexWriterWide.java:89) > ~[cassandra-lucene-index-plugin-3.0.8.0.jar:na] > at > org.apache.cassandra.index.SecondaryIndexManager$IndexGCTransaction.commit(SecondaryIndexManager.java:958) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.CompactionIterator$1$1.onMergedRows(CompactionIterator.java:197) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator$MergeReducer.getReduced(UnfilteredRowIterators.java:484) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator$MergeReducer.getReduced(UnfilteredRowIterators.java:446) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.consume(MergeIterator.java:220) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:159) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:428) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:288) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:128) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.ColumnIndex$Builder.build(ColumnIndex.java:111) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.ColumnIndex.writeAndBuildIndex(ColumnIndex.java:52) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:149) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:125) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.writers.DefaultCompactionWriter.realAppend(DefaultCompactionWriter.java:57) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.writers.CompactionAwareWriter.append(CompactionAwareWriter.java:109) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:78) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:263) > ~[apache-cassandra-3.0.8.jar:3.0.8] > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) > ~[na:1.8.0_91] > at java.util.concurrent.FutureTask.run(FutureTask.java:266) > ~[na:1.8.0_91] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > ~[na:1.8.0_91] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_91] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91] > {code} > I attached both debug.log and system.log to this issue. Both logs were > created while heap parameters in cassandra-env.sh were unchanged. -- This message was sent by Atlassian JIRA (v6.3.4#6332)