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https://issues.apache.org/jira/browse/DRILL-4895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15497884#comment-15497884
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Gautam Kumar Parai commented on DRILL-4895:
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This is a potential performance issue - hence not critical.

> StreamingAggBatch code generation issues
> ----------------------------------------
>
>                 Key: DRILL-4895
>                 URL: https://issues.apache.org/jira/browse/DRILL-4895
>             Project: Apache Drill
>          Issue Type: Bug
>    Affects Versions: 1.7.0
>            Reporter: Gautam Kumar Parai
>            Assignee: Gautam Kumar Parai
>
> We unnecessarily re-generate the code for the StreamingAggBatch even without 
> schema changes. Also, we seem to generate many holder variables than what 
> maybe required. This also affects sub-classes. HashAggBatch does not have the 
> same issues. 



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