Chun Chang created DRILL-647:
--------------------------------
Summary: memory leak
Key: DRILL-647
URL: https://issues.apache.org/jira/browse/DRILL-647
Project: Apache Drill
Issue Type: Bug
Reporter: Chun Chang
Priority: Critical
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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