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https://issues.apache.org/jira/browse/DRILL-1992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340206#comment-14340206
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Venki Korukanti commented on DRILL-1992:
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This patch was made assuming allocated memory in ValueVectors is not changed
during record insertion, but DRILL-1960 invalidated this assumption. I think
this JIRA is not necessary for 0.8, we can revisit this after [~cwestin]'s
memory accounting work.
> 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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