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Posted to issues@drill.apache.org by "Paul Rogers (JIRA)" <ji...@apache.org> on 2017/06/17 05:13:01 UTC
[jira] [Comment Edited] (DRILL-5522) OOM during the merge and spill
process of the managed external sort
[ https://issues.apache.org/jira/browse/DRILL-5522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16052619#comment-16052619 ]
Paul Rogers edited comment on DRILL-5522 at 6/17/17 5:12 AM:
-------------------------------------------------------------
Basics from log:
{code}
Config: memory limit = 30439780, spill file size = 268435456,
spill batch size = 7609945, merge limit = 2147483647,
merge batch size = 15219890
...
Actual batch schema & sizes {
...
Records: 1023, Total size: 140696, Gross row width:139, Net row width:95, Density:100}
Memory delta: 264192, actual batch size: 143254, Diff: 120938
...
Unable to allocate buffer of size 2097152 due to memory limit. Current allocation: 29229064
...
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$MapTransferPair.copyValueSafe(MapVector.java:220) ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at org.apache.drill.exec.vector.complex.MapVector.copyFromSafe(MapVector.java:82) ~[vector-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
at ...
org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.mergeSpilledRuns(ExternalSortBatch.java:1214) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
{code}
The error occurs in the merge phase of the query. After the allocation, used memory would be 31,326,216, but the limit is 30,439,780. So, OOM.
was (Author: paul-rogers):
Basics from log:
{code}
Config: memory limit = 30439780, spill file size = 268435456,
spill batch size = 7609945, merge limit = 2147483647,
merge batch size = 15219890
...
Actual batch schema & sizes {
...
Records: 1023, Total size: 140696, Gross row width:139, Net row width:95, Density:100}
...
Unable to allocate buffer of size 2097152 due to memory limit. Current allocation: 29229064
...
org.apache.drill.exec.vector.NullableBigIntVector$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.physical.impl.xsort.managed.ExternalSortBatch.mergeSpilledRuns(ExternalSortBatch.java:1214) ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
{code}
The error occurs in the merge phase of the query. After the allocation, used memory would be 31,326,216, but the limit is 30,439,780. So, OOM.
> 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. The data set is too large to attach here
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