[
https://issues.apache.org/jira/browse/DRILL-5519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Paul Rogers resolved DRILL-5519.
--------------------------------
Resolution: Fixed
Fix Version/s: 1.12.0
> Sort fails to spill and results in an OOM
> -----------------------------------------
>
> Key: DRILL-5519
> URL: https://issues.apache.org/jira/browse/DRILL-5519
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.10.0
> Reporter: Rahul Challapalli
> Assignee: Paul Rogers
> Fix For: 1.12.0
>
> Attachments: 26e49afc-cf45-637b-acc1-a70fee7fe7e2.sys.drill,
> drillbit.log, drillbit.out, drill-env.sh
>
>
> Setup :
> {code}
> git.commit.id.abbrev=1e0a14c
> DRILL_MAX_DIRECT_MEMORY="32G"
> DRILL_MAX_HEAP="4G"
> No of nodes in the drill cluster : 1
> {code}
> The below query fails with an OOM in the "in-memory sort" code, which means
> the logic which decides when to spill is flawed.
> {code}
> 0: jdbc:drill:zk=10.10.100.190:5181> ALTER SESSION SET
> `exec.sort.disable_managed` = false;
> +-------+-------------------------------------+
> | ok | summary |
> +-------+-------------------------------------+
> | true | exec.sort.disable_managed updated. |
> +-------+-------------------------------------+
> 1 row selected (1.022 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.memory.max_query_memory_per_node` = 334288000;
> +-------+----------------------------------------------------+
> | ok | summary |
> +-------+----------------------------------------------------+
> | true | planner.memory.max_query_memory_per_node updated. |
> +-------+----------------------------------------------------+
> 1 row selected (0.369 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> select count(*) from (select * from
> (select flatten(flatten(lst_lst)) num from
> dfs.`/drill/testdata/resource-manager/nested-large.json`) d order by d.num)
> d1 where d1.num < -1;
> Error: RESOURCE ERROR: One or more nodes ran out of memory while executing
> the query.
> Unable to allocate buffer of size 4194304 (rounded from 3200000) due to
> memory limit. Current allocation: 16015936
> Fragment 2:2
> [Error Id: 4d9cc59a-b5d1-4ca9-9b26-69d9438f0bee on qa-node190.qa.lab:31010]
> (state=,code=0)
> {code}
> Below is the exception from the logs
> {code}
> 2017-05-16 13:46:33,233 [26e49afc-cf45-637b-acc1-a70fee7fe7e2:frag:2:2] 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 4194304 (rounded from 3200000) due to memory limit. Current allocation:
> 16015936)
> 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 4194304 (rounded from 3200000) due to
> memory limit. Current allocation: 16015936
> [Error Id: 4d9cc59a-b5d1-4ca9-9b26-69d9438f0bee ]
> 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 4194304 (rounded from 3200000) due to memory limit.
> Current allocation: 16015936
> 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.test.generated.MSorterGen44.setup(MSortTemplate.java:91)
> ~[na:na]
> at
> org.apache.drill.exec.physical.impl.xsort.managed.MergeSort.merge(MergeSort.java:110)
> ~[drill-java-exec-1.11.0-SNAPSHOT.jar:1.11.0-SNAPSHOT]
> at
> org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.sortInMemory(ExternalSortBatch.java:1159)
> ~[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:687)
> ~[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 log and profile files. The data is too large to attach here
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