[jira] [Assigned] (DRILL-496) drill stuck in loop when query parquet file and eventually ran out of memory

["Steven Phillips (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Phillips reassigned DRILL-496:
-------------------------------------

    Assignee: Steven Phillips

> drill stuck in loop when query parquet file and eventually ran out of memory
> ----------------------------------------------------------------------------
>
>                 Key: DRILL-496
>                 URL: https://issues.apache.org/jira/browse/DRILL-496
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.0.0-milestone-2
>            Reporter: Chun Chang
>            Assignee: Steven Phillips
>            Priority: Blocker
>
> Ran the following Mondrian query against parquet format file and hit the issue that drill bit in infinite loop, and eventually run out of memory.
> 0: jdbc:drill:schema=dfs> select * from days;
> drillbit log:
> Exception in thread "WorkManager-3" java.lang.OutOfMemoryError: Direct buffer memory
>         at java.nio.Bits.reserveMemory(Bits.java:658)
>         at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
>         at java.nio.ByteBuffer.allocateDirect(ByteBuffer.java:306)
>         at io.netty.buffer.PoolArenaL$DirectArena.newUnpooledChunk(PoolArenaL.java:387)
>         at io.netty.buffer.PoolArenaL.allocateHuge(PoolArenaL.java:152)
>         at io.netty.buffer.PoolArenaL.allocate(PoolArenaL.java:129)
>         at io.netty.buffer.PoolArenaL.reallocate(PoolArenaL.java:234)
>         at io.netty.buffer.PooledByteBufL.capacity(PooledByteBufL.java:116)
>         at io.netty.buffer.AbstractByteBuf.ensureWritable(AbstractByteBuf.java:250)
>         at io.netty.buffer.AbstractByteBuf.writeBytes(AbstractByteBuf.java:807)
>         at org.apache.drill.exec.memory.AccountingByteBuf.writeBytes(AccountingByteBuf.java:664)
>         at org.apache.drill.exec.store.parquet.NullableFixedByteAlignedReader.readField(NullableFixedByteAlignedReader.java:48)
>         at org.apache.drill.exec.store.parquet.NullableColumnReader.readAllFixedFields(NullableColumnReader.java:106)
>         at org.apache.drill.exec.store.parquet.ParquetRecordReader.readAllFixedFields(ParquetRecordReader.java:327)
>         at org.apache.drill.exec.store.parquet.ParquetRecordReader.next(ParquetRecordReader.java:369)
>         at org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:94)
>         at org.apache.drill.exec.record.AbstractSingleRecordBatch.next(AbstractSingleRecordBatch.java:42)
>         at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.next(ScreenCreator.java:85)
>         at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:83)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)



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