Rahul Challapalli created DRILL-5513:
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Summary: Managed External Sort : OOM error during the merge phase
Key: DRILL-5513
URL: https://issues.apache.org/jira/browse/DRILL-5513
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.10.0
Reporter: Rahul Challapalli
Assignee: Paul Rogers
git.commit.id.abbrev=1e0a14c
No of nodes in cluster : 1
DRILL_MAX_DIRECT_MEMORY="32G"
DRILL_MAX_HEAP="4G"
The below query fails with an OOM
{code}
ALTER SESSION SET `exec.sort.disable_managed` = false;
alter session set `planner.width.max_per_query` = 100;
alter session set `planner.memory.max_query_memory_per_node` = 652428800;
select count(*) from (select s1.type type, flatten(s1.rms.rptd) rptds from
(select d.type type, d.uid uid, flatten(d.map.rm) rms from
dfs.`/drill/testdata/resource-manager/nested-large.json` d order by d.uid) s1
order by s1.rms.mapid);
{code}
Exception from the logs
{code}
2017-05-15 12:58:46,646 [BitServer-4] DEBUG o.a.drill.exec.work.foreman.Foreman
- 26e5f7b8-71e8-afca-e72e-fad7be2b2416: State change requested RUNNING -->
FAILED
org.apache.drill.common.exceptions.UserRemoteException: RESOURCE ERROR: One or
more nodes ran out of memory while executing the query.
Unable to allocate buffer of size 2097152 due to memory limit. Current
allocation: 19791880
Fragment 5:2
[Error Id: bb67176f-a780-400d-88c9-06fea131ea64 on qa-node190.qa.lab:31010]
(org.apache.drill.exec.exception.OutOfMemoryException) Unable to allocate
buffer of size 2097152 due to memory limit. Current allocation: 19791880
org.apache.drill.exec.memory.BaseAllocator.buffer():220
org.apache.drill.exec.memory.BaseAllocator.buffer():195
org.apache.drill.exec.vector.BigIntVector.reAlloc():212
org.apache.drill.exec.vector.BigIntVector.copyFromSafe():324
org.apache.drill.exec.vector.NullableBigIntVector.copyFromSafe():367
org.apache.drill.exec.vector.NullableBigIntVector$TransferImpl.copyValueSafe():328
org.apache.drill.exec.vector.complex.RepeatedMapVector$RepeatedMapTransferPair.copyValueSafe():360
org.apache.drill.exec.vector.complex.MapVector$MapTransferPair.copyValueSafe():220
org.apache.drill.exec.vector.complex.MapVector.copyFromSafe():82
org.apache.drill.exec.test.generated.PriorityQueueCopierGen4494.doCopy():34
org.apache.drill.exec.test.generated.PriorityQueueCopierGen4494.next():76
org.apache.drill.exec.physical.impl.xsort.managed.CopierHolder$BatchMerger.next():234
org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.mergeSpilledRuns():1214
org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.load():689
org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.innerNext():559
org.apache.drill.exec.record.AbstractRecordBatch.next():162
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
org.apache.drill.exec.record.AbstractRecordBatch.next():119
org.apache.drill.exec.record.AbstractRecordBatch.next():109
org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():51
org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext():93
org.apache.drill.exec.record.AbstractRecordBatch.next():162
org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():215
org.apache.drill.exec.physical.impl.BaseRootExec.next():104
org.apache.drill.exec.physical.impl.SingleSenderCreator$SingleSenderRootExec.innerNext():92
org.apache.drill.exec.physical.impl.BaseRootExec.next():94
org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():234
org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():227
java.security.AccessController.doPrivileged():-2
javax.security.auth.Subject.doAs():415
org.apache.hadoop.security.UserGroupInformation.doAs():1595
org.apache.drill.exec.work.fragment.FragmentExecutor.run():227
org.apache.drill.common.SelfCleaningRunnable.run():38
java.util.concurrent.ThreadPoolExecutor.runWorker():1145
java.util.concurrent.ThreadPoolExecutor$Worker.run():615
java.lang.Thread.run():745
at
org.apache.drill.exec.work.foreman.QueryManager$1.statusUpdate(QueryManager.java:537)
[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at
org.apache.drill.exec.rpc.control.WorkEventBus.statusUpdate(WorkEventBus.java:71)
[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at
org.apache.drill.exec.work.batch.ControlMessageHandler.handle(ControlMessageHandler.java:94)
[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at
org.apache.drill.exec.work.batch.ControlMessageHandler.handle(ControlMessageHandler.java:55)
[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at org.apache.drill.exec.rpc.BasicServer.handle(BasicServer.java:159)
[drill-rpc-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at org.apache.drill.exec.rpc.BasicServer.handle(BasicServer.java:53)
[drill-rpc-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:274)
[drill-rpc-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at
org.apache.drill.exec.rpc.RpcBus$InboundHandler.decode(RpcBus.java:244)
[drill-rpc-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
[netty-codec-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.handler.timeout.ReadTimeoutHandler.channelRead(ReadTimeoutHandler.java:150)
[netty-handler-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
[netty-codec-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:242)
[netty-codec-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:847)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
[netty-transport-4.0.27.Final.jar:4.0.27.Final]
at
io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
[netty-common-4.0.27.Final.jar:4.0.27.Final]
at java.lang.Thread.run(Thread.java:745) [na:1.7.0_111]
{code}
Attached the log and profile files. The dataset is not attached here as it is
larger than the permitted size
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