Versions Compared


  • This line was added.
  • This line was removed.
  • Formatting was changed.

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