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From "Weiwei Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DRILL-1093) Resource leak: ByteBuf.release() not called
Date Thu, 03 Jul 2014 17:28:34 GMT

    [ https://issues.apache.org/jira/browse/DRILL-1093?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14051730#comment-14051730
] 

Weiwei Hsieh commented on DRILL-1093:
-------------------------------------

Hi,

I will take a vacation from June 3rd until July 2nd.    If you need assistance while I’m
away, please contact my manager Paul Mansfield.   

Thanks!  

weiwei   




> Resource leak: ByteBuf.release() not called
> -------------------------------------------
>
>                 Key: DRILL-1093
>                 URL: https://issues.apache.org/jira/browse/DRILL-1093
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.0.0-BETA1
>            Reporter: Sudheesh Katkam
>
> 0: jdbc:drill:zk=local> SELECT * FROM cp.`employee.json` LIMIT 20;
> 16:10:39.711 [10a4550e-24cc-44dc-96dc-fe38ad9abb0a:frag:0:0 - Producer Thread] ERROR
io.netty.util.ResourceLeakDetector - LEAK: ByteBuf.release() was not called before it's garbage-collected.
Enable advanced leak reporting to find out where the leak occurred. To enable advanced leak
reporting, specify the JVM option '-Dio.netty.leakDetectionLevel=advanced' or call ResourceLeakDetector.setLevel()
> *Here's what I get when I set the level to advanced:*
> 16:02:34.268 [c52b9de5-8043-4ba4-a6bc-57df791b9885:frag:0:0 - Producer Thread] ERROR
io.netty.util.ResourceLeakDetector - LEAK: ByteBuf.release() was not called before it's garbage-collected.
> Recent access records: 2
> #2:
> 	io.netty.buffer.AdvancedLeakAwareByteBuf.getBytes(AdvancedLeakAwareByteBuf.java:211)
> 	org.apache.drill.exec.vector.VarCharVector$Mutator.setSafe(VarCharVector.java:494)
> 	org.apache.drill.exec.vector.NullableVarCharVector$Mutator.setSafe(NullableVarCharVector.java:442)
> 	org.apache.drill.exec.vector.complex.impl.NullableVarCharWriterImpl.write(NullableVarCharWriterImpl.java:115)
> 	org.apache.drill.exec.vector.complex.fn.JsonReader.writeData(JsonReader.java:140)
> 	org.apache.drill.exec.vector.complex.fn.JsonReader.write(JsonReader.java:65)
> 	org.apache.drill.exec.vector.complex.fn.JsonReaderWithState.write(JsonReaderWithState.java:52)
> 	org.apache.drill.exec.store.easy.json.JSONRecordReader2.next(JSONRecordReader2.java:90)
> 	org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:138)
> 	org.apache.drill.exec.physical.impl.producer.ProducerConsumerBatch$Producer.run(ProducerConsumerBatch.java:122)
> 	java.lang.Thread.run(Thread.java:745)
> #1:
> 	io.netty.buffer.AdvancedLeakAwareByteBuf.setBytes(AdvancedLeakAwareByteBuf.java:319)
> 	org.apache.drill.exec.vector.complex.fn.JsonReader.writeData(JsonReader.java:136)
> 	org.apache.drill.exec.vector.complex.fn.JsonReader.write(JsonReader.java:65)
> 	org.apache.drill.exec.vector.complex.fn.JsonReaderWithState.write(JsonReaderWithState.java:52)
> 	org.apache.drill.exec.store.easy.json.JSONRecordReader2.next(JSONRecordReader2.java:90)
> 	org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:138)
> 	org.apache.drill.exec.physical.impl.producer.ProducerConsumerBatch$Producer.run(ProducerConsumerBatch.java:122)
> 	java.lang.Thread.run(Thread.java:745)
> Created at:
> 	io.netty.buffer.UnpooledByteBufAllocator.newDirectBuffer(UnpooledByteBufAllocator.java:55)
> 	io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:155)
> 	io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:146)
> 	io.netty.buffer.AbstractByteBufAllocator.buffer(AbstractByteBufAllocator.java:83)
> 	org.apache.drill.exec.vector.complex.fn.JsonReader.writeData(JsonReader.java:135)
> 	org.apache.drill.exec.vector.complex.fn.JsonReader.write(JsonReader.java:65)
> 	org.apache.drill.exec.vector.complex.fn.JsonReaderWithState.write(JsonReaderWithState.java:52)
> 	org.apache.drill.exec.store.easy.json.JSONRecordReader2.next(JSONRecordReader2.java:90)
> 	org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:138)
> 	org.apache.drill.exec.physical.impl.producer.ProducerConsumerBatch$Producer.run(ProducerConsumerBatch.java:122)
> 	java.lang.Thread.run(Thread.java:745)
> *This happens only on the first query on any json file.*



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