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Posted to issues@drill.apache.org by "Jacques Nadeau (JIRA)" <ji...@apache.org> on 2014/06/09 07:35:07 UTC
[jira] [Resolved] (DRILL-473) Memory leak reported in
ParquetRecordReader when running a hash aggregation test
[ https://issues.apache.org/jira/browse/DRILL-473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jacques Nadeau resolved DRILL-473.
----------------------------------
Resolution: Fixed
Assignee: Aman Sinha
> Memory leak reported in ParquetRecordReader when running a hash aggregation test
> --------------------------------------------------------------------------------
>
> Key: DRILL-473
> URL: https://issues.apache.org/jira/browse/DRILL-473
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Aman Sinha
> Assignee: Aman Sinha
>
> This memory leak was detected when working on Drill-443. To reproduce, remove the @Ignore label of testQ8() and testQ8_1() in TestHashAggr.java. See stack below.
> Total 2 allocation(s) of byte size(s): 40000, 40000, 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.BigIntVector.allocateNew(BigIntVector.java:103)
> org.apache.drill.exec.vector.AllocationHelper.allocate(AllocationHelper.java:29)
> org.apache.drill.exec.store.VectorHolder.allocateNew(VectorHolder.java:90)
> org.apache.drill.exec.store.VectorHolder.reset(VectorHolder.java:73)
> org.apache.drill.exec.store.parquet.ParquetRecordReader.resetBatch(ParquetRecordReader.java:275)
> org.apache.drill.exec.store.parquet.ParquetRecordReader.next(ParquetRecordReader.java:333)
> 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.record.AbstractSingleRecordBatch.next(AbstractSingleRecordBatch.java:42)
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:107)
> org.apache.drill.exec.physical.impl.aggregate.HashAggBatch.next(HashAggBatch.java:105)
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