[DRILL-401] MockRecordReader is not releasing all buffers

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.0
• Component/s: Execution - Relational Operators
• Assignee: Jacques Nadeau
• Reporter: Jason Altekruse
• Created: 07/Mar/14 22:46
• Updated: 20/Apr/15 23:51
• Resolved: 27/Mar/14 07:10

Description

TestDistributedFragmentRun.oneBitOneExchangeTwoEntryRunLogical was running a basic scan/screen with a logical plan. It is logging an error about an outstanding buffer allocated when attempting to close the accountor, but this is not causing the test to fail.

Stack trace gelow.
java.lang.IllegalStateException

Attempted to close accountor with 1 buffer(s) still allocatedfor QueryId: 8095683d-6d40-4ef2-9fea-eafe12d3af0d, MajorFragmentId: 0, MinorFragmentId: 0. Total 1 allocation(s) of byte size(s): 5000, at stack location: org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.buffer(TopLevelAllocator.java:96) org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.buffer(TopLevelAllocator.java:101) org.apache.drill.exec.vector.VarCharVector.allocateNew(VarCharVector.java:222) org.apache.drill.exec.vector.AllocationHelper.allocate(AllocationHelper.java:31) org.apache.drill.exec.store.mock.MockRecordReader.next(MockRecordReader.java:96) org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:94) org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:107) org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.next(ScreenCreator.java:80) org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:83) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) java.lang.Thread.run(Thread.java:722)