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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-5922) Intermittent Memory Leaks in the ROOT allocator
Date Mon, 06 Nov 2017 06:13:00 GMT

    [ https://issues.apache.org/jira/browse/DRILL-5922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16239952#comment-16239952
] 

ASF GitHub Bot commented on DRILL-5922:
---------------------------------------

Github user paul-rogers commented on a diff in the pull request:

    https://github.com/apache/drill/pull/1023#discussion_r148997637
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/work/user/PlanSplitter.java
---
    @@ -79,6 +80,15 @@ public QueryPlanFragments planFragments(DrillbitContext dContext, QueryId
queryI
           responseBuilder.setStatus(QueryState.FAILED);
           responseBuilder.setError(error);
         }
    +
    +    try {
    +      queryContext.close();
    +    } catch (Exception e) {
    +      final String message = String.format("Error closing QueryContext when getting plan
fragments for query %s",
    +        QueryIdHelper.getQueryId(queryId));
    +      logger.error(message, e);
    --- End diff --
    
    See above re log message formatting.


> Intermittent Memory Leaks in the ROOT allocator  
> -------------------------------------------------
>
>                 Key: DRILL-5922
>                 URL: https://issues.apache.org/jira/browse/DRILL-5922
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Timothy Farkas
>            Assignee: Timothy Farkas
>            Priority: Minor
>
> This issue was originall found by [~ben-zvi]. I am able to consistently reproduce the
error on my laptop by running the following unit test:
> org.apache.drill.exec.DrillSeparatePlanningTest#testMultiMinorFragmentComplexQuery
> {code}
> java.lang.IllegalStateException: Allocator[ROOT] closed with outstanding child allocators.
> Allocator(ROOT) 0/1048576/10113536/3221225472 (res/actual/peak/limit)
>   child allocators: 1
>     Allocator(query:26049b50-0cec-0a92-437c-bbe486e1fcbf) 1048576/0/0/268435456 (res/actual/peak/limit)
>       child allocators: 0
>       ledgers: 0
>       reservations: 0
>   ledgers: 0
>   reservations: 0
> 	at org.apache.drill.exec.memory.BaseAllocator.close(BaseAllocator.java:496) ~[classes/:na]
> 	at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:76) [classes/:na]
> 	at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:64) [classes/:na]
> 	at org.apache.drill.exec.server.BootStrapContext.close(BootStrapContext.java:256) ~[classes/:na]
> 	at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:76) [classes/:na]
> 	at org.apache.drill.common.AutoCloseables.close(AutoCloseables.java:64) [classes/:na]
> 	at org.apache.drill.exec.server.Drillbit.close(Drillbit.java:205) [classes/:na]
> 	at org.apache.drill.BaseTestQuery.closeClient(BaseTestQuery.java:315) [test-classes/:na]
> 	at org.apache.drill.BaseTestQuery.updateTestCluster(BaseTestQuery.java:157) [test-classes/:na]
> 	at org.apache.drill.BaseTestQuery.updateTestCluster(BaseTestQuery.java:148) [test-classes/:na]
> 	at org.apache.drill.exec.DrillSeparatePlanningTest.getFragmentsHelper(DrillSeparatePlanningTest.java:185)
[test-classes/:na]
> 	at org.apache.drill.exec.DrillSeparatePlanningTest.testMultiMinorFragmentComplexQuery(DrillSeparatePlanningTest.java:108)
[test-classes/:na]
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_144]
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_144]
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_144]
> 	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_144]
> 	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
[junit-4.11.jar:na]
> 	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
[junit-4.11.jar:na]
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
[junit-4.11.jar:na]
> 	at mockit.integration.junit4.internal.JUnit4TestRunnerDecorator.executeTestMethod(JUnit4TestRunnerDecorator.java:120)
[jmockit-1.3.jar:na]
> 	at mockit.integration.junit4.internal.JUnit4TestRunnerDecorator.invokeExplosively(JUnit4TestRunnerDecorator.java:65)
[jmockit-1.3.jar:na]
> 	at mockit.integration.junit4.internal.MockFrameworkMethod.invokeExplosively(MockFrameworkMethod.java:29)
[jmockit-1.3.jar:na]
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_144]
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_144]
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
~[na:1.8.0_144]
> 	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_144]
> 	at mockit.internal.util.MethodReflection.invokeWithCheckedThrows(MethodReflection.java:95)
[jmockit-1.3.jar:na]
> 	at mockit.internal.annotations.MockMethodBridge.callMock(MockMethodBridge.java:76) [jmockit-1.3.jar:na]
> 	at mockit.internal.annotations.MockMethodBridge.invoke(MockMethodBridge.java:41) [jmockit-1.3.jar:na]
> 	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java) [junit-4.11.jar:na]
> 	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
[junit-4.11.jar:na]
> 	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
[junit-4.11.jar:na]
> {code}



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