[jira] [Created] (HIVE-9979) LLAP: LLAP Cached readers for StringDirectTreeReaders over-read data

["Gopal V (JIRA)" <ji...@apache.org>]

Gopal V created HIVE-9979:
-----------------------------

             Summary: LLAP: LLAP Cached readers for StringDirectTreeReaders over-read data
                 Key: HIVE-9979
                 URL: https://issues.apache.org/jira/browse/HIVE-9979
             Project: Hive
          Issue Type: Sub-task
    Affects Versions: llap
            Reporter: Gopal V
            Assignee: Sergey Shelukhin


When the cache is enabled, queries throws different over-read exceptions.

Looks like the batchSize changes as you read data, the end of stripe batchSize is smaller than the default size (the super calls change it).

{code}
Caused by: java.io.EOFException: Can't finish byte read from uncompressed stream DATA position: 262144 length: 262144 range: 0 offset: 46399488 limit: 46399488
        at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$BytesColumnVectorUtil.commonReadByteArrays(RecordReaderImpl.java:1556)
        at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$BytesColumnVectorUtil.readOrcByteArrays(RecordReaderImpl.java:1569)
        at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StringDirectTreeReader.nextVector(RecordReaderImpl.java:1691)
        at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StringTreeReader.nextVector(RecordReaderImpl.java:1517)
        at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:115)
        at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:108)
        at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:35)
        at org.apache.hadoop.hive.ql.io.orc.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:314)
        at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:280)
        at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:44)
        at org.apache.hadoop.hive.common.CallableWithNdc.call(CallableWithNdc.java:37)
        ... 4 more
{code}





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