[DRILL-5264] Managed External Sort fails with OOM

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.10.0
• Assignee: Paul Rogers
• Reporter: Rahul Kumar Challapalli
• Created: 14/Feb/17 23:51
• Updated: 21/Mar/17 18:35
• Resolved: 02/Mar/17 23:37

Description

git.commit.id.abbrev=300e934

The below query fails with an OOM

alter session set `planner.disable_exchanges` = true;
alter session set `planner.memory.max_query_memory_per_node` = 104857600;
alter session set `planner.width.max_per_node` = 1;
select * from dfs.`/drill/testdata/md1362` order by c_email_address;
Error: RESOURCE ERROR: One or more nodes ran out of memory while executing the query.

Unable to allocate buffer of size 1048576 due to memory limit. Current allocation: 103972896
Fragment 0:0

[Error Id: ba3d1ea7-9bf6-498d-a62a-2ca4e742beea on qa-node190.qa.lab:31010] (state=,code=0)

Exception from the logs

2017-02-14 15:24:17,911 [275c7003-0e06-42b8-6874-db28bca06d14:frag:0:0] 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 1048576 due to memory limit. Current allocation: 103972896)
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 1048576 due to memory limit. Current allocation: 103972896

[Error Id: ba3d1ea7-9bf6-498d-a62a-2ca4e742beea ]
        at org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:544) ~[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:242) [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38) [drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_111]
        at java.util.concurrent.ThreadPoolExecutor$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 1048576 due to memory limit. Current allocation: 103972896
        at org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:217) ~[drill-memory-base-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:192) ~[drill-memory-base-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.vector.VarCharVector.reAlloc(VarCharVector.java:401) ~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.vector.VarCharVector.copyFromSafe(VarCharVector.java:278) ~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.vector.NullableVarCharVector.copyFromSafe(NullableVarCharVector.java:355) ~[vector-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.test.generated.PriorityQueueCopierGen4.doCopy0$(PriorityQueueCopierTemplate.java:290) ~[na:na]
        at org.apache.drill.exec.test.generated.PriorityQueueCopierGen4.doCopy(PriorityQueueCopierTemplate.java:280) ~[na:na]
        at org.apache.drill.exec.test.generated.PriorityQueueCopierGen4.next(PriorityQueueCopierTemplate.java:76) ~[na:na]
        at org.apache.drill.exec.physical.impl.xsort.managed.CopierHolder$BatchMerger.next(CopierHolder.java:232) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.mergeSpilledRuns(ExternalSortBatch.java:1140) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.load(ExternalSortBatch.java:626) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.innerNext(ExternalSortBatch.java:506) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext(RemovingRecordBatch.java:93) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:109) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext(AbstractSingleRecordBatch.java:51) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:135) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:162) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:215) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:104) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:94) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:232) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:226) ~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-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:226) [drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        ... 4 common frames omitted

Logs and profile are attached. Data is too large for a jira. So kindly reach out to me if you need access to the test data