Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
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None
Description
When IO elevator is enabled, but cache and allocator are both disabled, NPEs happen. It's not really a recommended mode, but it's the only way to disable cache, so we probably need to fix it. I am also going to nuke the intermediate mode (allocator w/no cache) meanwhile cause it's pointless and just creates a zoo of configurations.
Caused by: java.lang.NullPointerException at org.apache.hadoop.hive.llap.cache.LlapDataBuffer.getByteBufferDup(LlapDataBuffer.java:59) at org.apache.hadoop.hive.ql.io.orc.encoded.StreamUtils.createDiskRangeInfo(StreamUtils.java:63) at org.apache.hadoop.hive.ql.io.orc.encoded.StreamUtils.createSettableUncompressedStream(StreamUtils.java:48) at org.apache.hadoop.hive.ql.io.orc.encoded.EncodedTreeReaderFactory$LongStreamReader$StreamReaderBuilder.build(EncodedTreeReaderFactory.java:514) at org.apache.hadoop.hive.ql.io.orc.encoded.EncodedTreeReaderFactory.createEncodedTreeReader(EncodedTreeReaderFactory.java:1737) at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:162) at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:55) at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:76) at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:30) at org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:408) at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.performDataRead(OrcEncodedDataReader.java:424) at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:227) at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:224) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724) at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:224) at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:93) ... 6 more