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From "Chun Chang (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (DRILL-647) memory leak
Date Fri, 18 Sep 2015 20:31:04 GMT

     [ https://issues.apache.org/jira/browse/DRILL-647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chun Chang closed DRILL-647.
----------------------------
    Assignee: Chun Chang  (was: Parth Chandra)

covered by longevity test.

> memory leak
> -----------
>
>                 Key: DRILL-647
>                 URL: https://issues.apache.org/jira/browse/DRILL-647
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Flow
>            Reporter: Chun Chang
>            Assignee: Chun Chang
>            Priority: Critical
>             Fix For: 0.8.0
>
>
> After processing thousands of queries (in the order of, may occur earlier), any new query
will fail due to memory allocation failure. 
> org.apache.drill.exec.memory.OutOfMemoryException: You attempted to create a new child
allocator with initial reservation 20000000 but only 9934592 bytes of memory were available.
> 	org.apache.drill.exec.memory.TopLevelAllocator.getChildAllocator(TopLevelAllocator.java:68)
~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> 	org.apache.drill.exec.ops.FragmentContext.<init>(FragmentContext.java:86) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> 	org.apache.drill.exec.work.foreman.QueryManager.runFragments(QueryManager.java:87) ~[drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> 	org.apache.drill.exec.work.foreman.Foreman.runPhysicalPlan(Foreman.java:310) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> 	org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:324) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> 	org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:175) [drill-java-exec-1.0.0-m2-incubating-SNAPSHOT-rebuffed.jar:1.0.0-m2-incubating-SNAPSHOT]
> 	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
> 	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
> 	java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]



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