Rajesh Balamohan created HIVE-15943:
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Summary: LLAP: Consider adding counter to indicate number of times
LLAP IO reader got disabled
Key: HIVE-15943
URL: https://issues.apache.org/jira/browse/HIVE-15943
Project: Hive
Issue Type: Bug
Components: llap
Reporter: Rajesh Balamohan
Priority: Minor
https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/io/api/impl/LlapRecordReader.java#L174
Sometimes, due to schema evolution checks, LLAP IO reader could be skipped and
reader falls back to inputformat's recordreader. Currently this information is
embedded in logs. It would be helpful to surface this in counters which can be
used for query analysis.
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