Task counters created by Hive during query execution


For Tez execution, %context is set to the mapper/reducer name. For other execution engines it is not included in the counter name.

Counter NameDescription
RECORDS_IN[_%context]Input records read
RECORDS_OUT[_%context]Output records written
RECORDS_OUT_INTERMEDIATE[_%context]Records written as intermediate records to ReduceSink (which become input records to other tasks)
CREATED_FILESNumber of files created


Deserialization errors encountered while reading data
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