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Posted to issues@drill.apache.org by "Venki Korukanti (JIRA)" <ji...@apache.org> on 2015/01/13 02:42:36 UTC

[jira] [Created] (DRILL-1992) Add more stats for HashJoinBatch and HashAggBatch

Venki Korukanti created DRILL-1992:
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             Summary: Add more stats for HashJoinBatch and HashAggBatch
                 Key: DRILL-1992
                 URL: https://issues.apache.org/jira/browse/DRILL-1992
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Operators
    Affects Versions: 0.8.0
            Reporter: Venki Korukanti
            Assignee: Venki Korukanti
             Fix For: 0.8.0


Adding more stats to analyze the memory usage of HashJoinBatch and HashAggBatch.

HashJoinBatch
  + HASHTABLE_MEMORY_ALLOCATION
  + HASHTABLE_NUM_BATCHHOLDERS
  + HASHJOINHELPER_MEMORY

HashAgg
  + HASHTABLE_MEMORY_ALLOCATION
  + HASHTABLE_NUM_BATCHHOLDERS
  + HASHAGG_MEMORY
  + HASHAGG_NUM_BATCHHOLDERS

Cleanup:
  + Prefix "HASHTABLE_" to existing HashTable metrics such as NUM_BUCKETS.



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