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Posted to issues@drill.apache.org by "Steven Phillips (JIRA)" <ji...@apache.org> on 2015/04/13 20:58:12 UTC
[jira] [Updated] (DRILL-2758) Memory leak in parquet writer when
writing billions of records
[ https://issues.apache.org/jira/browse/DRILL-2758?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Phillips updated DRILL-2758:
-----------------------------------
Fix Version/s: 0.9.0
> Memory leak in parquet writer when writing billions of records
> --------------------------------------------------------------
>
> Key: DRILL-2758
> URL: https://issues.apache.org/jira/browse/DRILL-2758
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Parquet
> Affects Versions: 0.8.0
> Reporter: Aman Sinha
> Assignee: Steven Phillips
> Fix For: 0.9.0
>
>
> Encountered the following memory leak when running a CTAS creating parquet data. This is on a large data set, so I cannot provide the reproduction here. Several billions of records are written and all fragments except 1 show FINIISHED state in the profile. The 1 fragment that is in RUNNING state shows 0 records written. The jstack on that node showed no activity and cpu was idle. However, drillbit.log shows the following memory leak:
> {code}
> 2015-04-10 18:11:40,337 [2ad7efdb-37ad-743e-3fe4-54a9d158d843:frag:1:40] WARN o.a.d.e.w.fragment.FragmentExecutor - Failure while closing out resources
> java.lang.IllegalStateException: Attempted to close accountor with 1 buffer(s) still allocatedfor QueryId: 2ad7efdb-37ad-743e-3fe4-54a9d158d843, MajorFragmentId: 1, MinorFragmen
> tId: 40.
> Total 1 allocation(s) of byte size(s): 1153433, at stack location:
> org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.buffer(TopLevelAllocator.java:234)
> org.apache.drill.exec.store.parquet.ParquetDirectByteBufferAllocator.allocate(ParquetDirectByteBufferAllocator.java:45)
> parquet.bytes.CapacityByteArrayOutputStream.allocateSlab(CapacityByteArrayOutputStream.java:74)
> parquet.bytes.CapacityByteArrayOutputStream.initSlabs(CapacityByteArrayOutputStream.java:88)
> parquet.bytes.CapacityByteArrayOutputStream.<init>(CapacityByteArrayOutputStream.java:69)
> parquet.column.values.plain.PlainValuesWriter.<init>(PlainValuesWriter.java:48)
> parquet.column.ParquetProperties.getValuesWriter(ParquetProperties.java:109)
> parquet.column.impl.ColumnWriterImpl.<init>(ColumnWriterImpl.java:81)
> parquet.column.impl.ColumnWriteStoreImpl.newMemColumn(ColumnWriteStoreImpl.java:68)
> parquet.column.impl.ColumnWriteStoreImpl.getColumnWriter(ColumnWriteStoreImpl.java:56)
> parquet.io.MessageColumnIO$MessageColumnIORecordConsumer.<init>(MessageColumnIO.java:124)
> parquet.io.MessageColumnIO.getRecordWriter(MessageColumnIO.java:315)
> org.apache.drill.exec.store.parquet.ParquetRecordWriter.newSchema(ParquetRecordWriter.java:165)
> org.apache.drill.exec.store.parquet.ParquetRecordWriter.updateSchema(ParquetRecordWriter.java:141)
> org.apache.drill.exec.physical.impl.WriterRecordBatch.setupNewSchema(WriterRecordBatch.java:162)
> org.apache.drill.exec.physical.impl.WriterRecordBatch.innerNext(WriterRecordBatch.java:113)
> org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:142)
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118)
> org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:68)
> org.apache.drill.exec.physical.impl.SingleSenderCreator$SingleSenderRootExec.innerNext(SingleSenderCreator.java:99)
> {code}
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