[ https://issues.apache.org/jira/browse/DRILL-5522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Hou resolved DRILL-5522. ------------------------------- Resolution: Fixed This has been resolved. > OOM during the merge and spill process of the managed external sort > ------------------------------------------------------------------- > > Key: DRILL-5522 > URL: https://issues.apache.org/jira/browse/DRILL-5522 > Project: Apache Drill > Issue Type: Bug > Components: Execution - Relational Operators > Affects Versions: 1.10.0 > Reporter: Rahul Challapalli > Assignee: Paul Rogers > Attachments: 26e334aa-1afa-753f-3afe-862f76b80c18.sys.drill, > drillbit.log, drillbit.out, drill-env.sh > > > git.commit.id.abbrev=1e0a14c > The below query fails with an OOM > {code} > ALTER SESSION SET `exec.sort.disable_managed` = false; > alter session set `planner.memory.max_query_memory_per_node` = 1552428800; > create table dfs.drillTestDir.xsort_ctas3_multiple partition by (type, aCol) > as select type, rptds, rms, s3.rms.a aCol, uid from ( > select * from ( > select s1.type type, flatten(s1.rms.rptd) rptds, s1.rms, s1.uid > 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 > ) s2 > order by s2.rms.mapid, s2.rptds.a > ) s3; > {code} > Stack trace > {code} > 2017-05-17 15:15:35,027 [26e334aa-1afa-753f-3afe-862f76b80c18:frag:4:2] INFO > o.a.d.e.w.fragment.FragmentExecutor - User Error Occurred: 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: 29229064) > org.apache.drill.common.exceptions.UserException: 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: 29229064 > [Error Id: 619e2e34-704c-4964-a354-1348fb33ce8a ] > at > org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544) > ~[drill-common-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:244) > [drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) > [drill-common-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > [na:1.7.0_111] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > [na:1.7.0_111] > at java.lang.Thread.run(Thread.java:745) [na:1.7.0_111] > Caused by: org.apache.drill.exec.exception.OutOfMemoryException: Unable to > allocate buffer of size 2097152 due to memory limit. Current allocation: > 29229064 > at > org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:220) > ~[drill-memory-base-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:195) > ~[drill-memory-base-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.BigIntVector.reAlloc(BigIntVector.java:212) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.BigIntVector.copyFromSafe(BigIntVector.java:324) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.NullableBigIntVector.copyFromSafe(NullableBigIntVector.java:367) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.NullableBigIntVector$TransferImpl.copyValueSafe(NullableBigIntVector.java:328) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.complex.RepeatedMapVector$RepeatedMapTransferPair.copyValueSafe(RepeatedMapVector.java:360) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.complex.MapVector$MapTransferPair.copyValueSafe(MapVector.java:220) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.vector.complex.MapVector.copyFromSafe(MapVector.java:82) > ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.test.generated.PriorityQueueCopierGen49.doCopy(PriorityQueueCopierTemplate.java:34) > ~[na:na] > at > org.apache.drill.exec.test.generated.PriorityQueueCopierGen49.next(PriorityQueueCopierTemplate.java:76) > ~[na:na] > at > org.apache.drill.exec.physical.impl.xsort.managed.CopierHolder$BatchMerger.next(CopierHolder.java:234) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.mergeSpilledRuns(ExternalSortBatch.java:1214) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.load(ExternalSortBatch.java:689) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.innerNext(ExternalSortBatch.java:559) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.SingleSenderCreator$SingleSenderRootExec.innerNext(SingleSenderCreator.java:92) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:234) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at > org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:227) > ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > at java.security.AccessController.doPrivileged(Native Method) > ~[na:1.7.0_111] > at javax.security.auth.Subject.doAs(Subject.java:415) ~[na:1.7.0_111] > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595) > ~[hadoop-common-2.7.0-mapr-1607.jar:na] > at > org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:227) > [drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT] > ... 4 common frames omitted > {code} > I attached the logs and the profile files. 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