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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5226) External Sort encountered an error while spilling to disk
Date Thu, 26 Jan 2017 23:35:24 GMT
Rahul Challapalli created DRILL-5226:
----------------------------------------

             Summary: External Sort encountered an error while spilling to disk
                 Key: DRILL-5226
                 URL: https://issues.apache.org/jira/browse/DRILL-5226
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Relational Operators
    Affects Versions: 1.10.0
            Reporter: Rahul Challapalli


Environment : 
{code}
git.commit.id.abbrev=2af709f
DRILL_MAX_DIRECT_MEMORY="32G"
DRILL_MAX_HEAP="4G"
Nodes in Mapr Cluster : 1
Data Size : ~ 0.35 GB
No of Columns : 1
Width of column : 256 chars
{code}

The below query fails before spilling to disk due to wrong estimates of the record batch size.
{code}
0: jdbc:drill:zk=10.10.100.190:5181> alter session set `planner.width.max_per_node` = 1;
+-------+--------------------------------------+
|  ok   |               summary                |
+-------+--------------------------------------+
| true  | planner.width.max_per_node updated.  |
+-------+--------------------------------------+
1 row selected (1.11 seconds)
0: jdbc:drill:zk=10.10.100.190:5181> alter session set `planner.memory.max_query_memory_per_node`
= 62914560;
+-------+----------------------------------------------------+
|  ok   |                      summary                       |
+-------+----------------------------------------------------+
| true  | planner.memory.max_query_memory_per_node updated.  |
+-------+----------------------------------------------------+
1 row selected (0.362 seconds)
0: jdbc:drill:zk=10.10.100.190:5181> alter session set `planner.disable_exchanges` = true;
+-------+-------------------------------------+
|  ok   |               summary               |
+-------+-------------------------------------+
| true  | planner.disable_exchanges updated.  |
+-------+-------------------------------------+
1 row selected (0.277 seconds)
0: jdbc:drill:zk=10.10.100.190:5181> select * from (select * from dfs.`/drill/testdata/resource-manager/250wide-small.tbl`
order by columns[0])d where d.columns[0] = 'ljdfhwuehnoiueyf';
Error: RESOURCE ERROR: External Sort encountered an error while spilling to disk

Unable to allocate buffer of size 1048576 (rounded from 618889) due to memory limit. Current
allocation: 62736000
Fragment 0:0

[Error Id: 1bb933c8-7dc6-4cbd-8c8e-0e095baac719 on qa-node190.qa.lab:31010] (state=,code=0)
{code}

Exception from the logs
{code}
2017-01-26 15:33:09,307 [277578d5-8bea-27db-0da1-cec0f53a13df:frag:0:0] INFO  o.a.d.e.p.i.xsort.ExternalSortBatch
- User Error Occurred: External Sort encountered an error while spilling to disk (Unable to
allocate buffer of size 1048576 (rounded from 618889) due to memory limit. Current allocation:
62736000)
org.apache.drill.common.exceptions.UserException: RESOURCE ERROR: External Sort encountered
an error while spilling to disk

Unable to allocate buffer of size 1048576 (rounded from 618889) due to memory limit. Current
allocation: 62736000

[Error Id: 1bb933c8-7dc6-4cbd-8c8e-0e095baac719 ]
        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.physical.impl.xsort.ExternalSortBatch.mergeAndSpill(ExternalSortBatch.java:603)
[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.innerNext(ExternalSortBatch.java:411)
[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.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.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$1.run(FragmentExecutor.java:226)
[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at java.security.AccessController.doPrivileged(Native Method) [na:1.7.0_111]
        at javax.security.auth.Subject.doAs(Subject.java:415) [na:1.7.0_111]
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1595)
[hadoop-common-2.7.0-mapr-1607.jar:na]
        at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:226)
[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
[drill-common-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
[na:1.7.0_111]
        at java.util.concurrent.ThreadPoolExecutor$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 (rounded from 618889) due to memory limit. Current allocation: 62736000
        at org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:216) ~[drill-memory-base-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.memory.BaseAllocator.buffer(BaseAllocator.java:191) ~[drill-memory-base-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.cache.VectorAccessibleSerializable.readFromStream(VectorAccessibleSerializable.java:112)
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.BatchGroup.getBatch(BatchGroup.java:111)
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.BatchGroup.getNextIndex(BatchGroup.java:137)
~[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        at org.apache.drill.exec.test.generated.PriorityQueueCopierGen7.next(PriorityQueueCopierTemplate.java:76)
~[na:na]
        at org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.mergeAndSpill(ExternalSortBatch.java:590)
[drill-java-exec-1.10.0-SNAPSHOT.jar:1.10.0-SNAPSHOT]
        ... 45 common frames omitted
{code}



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