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

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-1992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14338682#comment-14338682 ] 

Jacques Nadeau commented on DRILL-1992:
---------------------------------------

LGTM +1

> 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 - Relational Operators
>    Affects Versions: 0.8.0
>            Reporter: Venki Korukanti
>            Assignee: Venki Korukanti
>             Fix For: 0.8.0
>
>         Attachments: DRILL-1992-2.patch, DRILL-1992.patch
>
>
> 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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