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https://issues.apache.org/jira/browse/CASSANDRA-11710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15274219#comment-15274219
]
Branimir Lambov commented on CASSANDRA-11710:
---------------------------------------------
Yes, it is. If we don't include it, nodes spawned with default ccm settings
will oom in 3.6.
> Cassandra dies with OOM when running stress
> -------------------------------------------
>
> Key: CASSANDRA-11710
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11710
> Project: Cassandra
> Issue Type: Bug
> Reporter: Marcus Eriksson
> Assignee: Branimir Lambov
> Fix For: 3.6
>
>
> Running stress on trunk dies with OOM after about 3.5M ops:
> {code}
> ERROR [CompactionExecutor:1] 2016-05-04 15:01:31,231
> JVMStabilityInspector.java:137 - JVM state determined to be unstable.
> Exiting forcefully due to:
> 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.allocateDirectAligned(BufferPool.java:519)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool.access$600(BufferPool.java:46)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool$GlobalPool.allocateMoreChunks(BufferPool.java:276)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool$GlobalPool.get(BufferPool.java:249)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool$LocalPool.addChunkFromGlobalPool(BufferPool.java:338)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool$LocalPool.get(BufferPool.java:381)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool.maybeTakeFromPool(BufferPool.java:142)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool.takeFromPool(BufferPool.java:114)
> ~[main/:na]
> at
> org.apache.cassandra.utils.memory.BufferPool.get(BufferPool.java:84)
> ~[main/:na]
> at org.apache.cassandra.cache.ChunkCache.load(ChunkCache.java:135)
> ~[main/:na]
> at org.apache.cassandra.cache.ChunkCache.load(ChunkCache.java:19)
> ~[main/:na]
> at
> com.github.benmanes.caffeine.cache.BoundedLocalCache$BoundedLocalLoadingCache.lambda$new$0(BoundedLocalCache.java:2949)
> ~[caffeine-2.2.6.jar:na]
> at
> com.github.benmanes.caffeine.cache.BoundedLocalCache.lambda$doComputeIfAbsent$15(BoundedLocalCache.java:1807)
> ~[caffeine-2.2.6.jar:na]
> at
> java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853)
> ~[na:1.8.0_91]
> at
> com.github.benmanes.caffeine.cache.BoundedLocalCache.doComputeIfAbsent(BoundedLocalCache.java:1805)
> ~[caffeine-2.2.6.jar:na]
> at
> com.github.benmanes.caffeine.cache.BoundedLocalCache.computeIfAbsent(BoundedLocalCache.java:1788)
> ~[caffeine-2.2.6.jar:na]
> at
> com.github.benmanes.caffeine.cache.LocalCache.computeIfAbsent(LocalCache.java:97)
> ~[caffeine-2.2.6.jar:na]
> at
> com.github.benmanes.caffeine.cache.LocalLoadingCache.get(LocalLoadingCache.java:66)
> ~[caffeine-2.2.6.jar:na]
> at
> org.apache.cassandra.cache.ChunkCache$CachingRebufferer.rebuffer(ChunkCache.java:215)
> ~[main/:na]
> at
> org.apache.cassandra.cache.ChunkCache$CachingRebufferer.rebuffer(ChunkCache.java:193)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.LimitingRebufferer.rebuffer(LimitingRebufferer.java:34)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.RandomAccessReader.reBufferAt(RandomAccessReader.java:78)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.RandomAccessReader.reBuffer(RandomAccessReader.java:72)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.RebufferingInputStream.read(RebufferingInputStream.java:88)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:66)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.RebufferingInputStream.readFully(RebufferingInputStream.java:60)
> ~[main/:na]
> at
> org.apache.cassandra.utils.ByteBufferUtil.read(ByteBufferUtil.java:400)
> ~[main/:na]
> at
> org.apache.cassandra.utils.ByteBufferUtil.readWithVIntLength(ByteBufferUtil.java:338)
> ~[main/:na]
> at
> org.apache.cassandra.db.marshal.AbstractType.readValue(AbstractType.java:414)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.Cell$Serializer.deserialize(Cell.java:243)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.UnfilteredSerializer.readSimpleColumn(UnfilteredSerializer.java:473)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.UnfilteredSerializer.deserializeRowBody(UnfilteredSerializer.java:451)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.UnfilteredSerializer.deserialize(UnfilteredSerializer.java:380)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableSimpleIterator$CurrentFormatIterator.computeNext(SSTableSimpleIterator.java:87)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableSimpleIterator$CurrentFormatIterator.computeNext(SSTableSimpleIterator.java:65)
> ~[main/:na]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableIdentityIterator.computeNext(SSTableIdentityIterator.java:100)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableIdentityIterator.computeNext(SSTableIdentityIterator.java:30)
> ~[main/:na]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:100)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.computeNext(LazilyInitializedUnfilteredRowIterator.java:32)
> ~[main/:na]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[main/:na]
> at
> org.apache.cassandra.utils.MergeIterator$Candidate.advance(MergeIterator.java:374)
> ~[main/:na]
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.advance(MergeIterator.java:186)
> ~[main/:na]
> at
> org.apache.cassandra.utils.MergeIterator$ManyToOne.computeNext(MergeIterator.java:155)
> ~[main/:na]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:419)
> ~[main/:na]
> at
> org.apache.cassandra.db.rows.UnfilteredRowIterators$UnfilteredRowMergeIterator.computeNext(UnfilteredRowIterators.java:279)
> ~[main/:na]
> at
> org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
> ~[main/:na]
> at
> org.apache.cassandra.db.transform.BaseRows.hasNext(BaseRows.java:112)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnIndex.buildRowIndex(ColumnIndex.java:93)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.format.big.BigTableWriter.append(BigTableWriter.java:161)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableRewriter.append(SSTableRewriter.java:129)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.writers.MaxSSTableSizeWriter.realAppend(MaxSSTableSizeWriter.java:98)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.writers.CompactionAwareWriter.append(CompactionAwareWriter.java:141)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:187)
> ~[main/:na]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264)
> ~[main/:na]
> 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}
> with this stress profile:
> {code}
> keyspace: stresscql
> table: datatest
> keyspace_definition: |
> CREATE KEYSPACE stresscql WITH replication = {'class': 'SimpleStrategy',
> 'replication_factor': 3};
> table_definition: |
> CREATE TABLE datatest (
> id int,
> id2 int,
> xyz text,
> PRIMARY KEY(id,id2)
> )
> WITH compaction = { 'class':'LeveledCompactionStrategy'}
> columnspec:
> - name: id
> population: GAUSSIAN(1..5000000) # the range of unique values to
> select for the field (default is 100Billion)
> - name: id2
> population: GAUSSIAN(1..50000)
> cluster: uniform(1..10)
> - name: xyz
> size: uniform(1..100)
> insert:
> partitions: fixed(1) # number of unique partitions to update in a
> single operation
> # if batchcount > 1, multiple batches will
> be used but all partitions will
> # occur in all batches (unless they finish
> early); only the row counts will vary
> batchtype: UNLOGGED # type of batch to use
> select: uniform(1..10)/10 # uniform chance any single generated CQL
> row will be visited in a partition;
> # generated for each partition
> independently, each time we visit it
> queries:
> simple1:
> cql: select * from datatest where id = ? and id2 = ? LIMIT 100
> fields: samerow # samerow or multirow (select arguments
> from the same row, or randomly from all rows in the partition)
> {code}
> run like this:
> {code}
> $ ccm create -n2 xyz
> $ ccm start
> $ tools/bin/cassandra-stress user n=10M profile=tools/cqlstress-data.yaml
> ops\(insert=1\) -rate threads=100
> {code}
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