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https://issues.apache.org/jira/browse/IMPALA-13488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17947673#comment-17947673
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Quanlong Huang commented on IMPALA-13488:
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In our experiments, this makes little difference in performance. But it'd still
be helpful to make this configurable in case we want to tune it in the future.
Planner can also set this based on the average array size if we collect such
stats after IMPALA-13485.
> Add query option for DEFAULT_INITIAL_TUPLE_CAPACITY
> ----------------------------------------------------
>
> Key: IMPALA-13488
> URL: https://issues.apache.org/jira/browse/IMPALA-13488
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Manish Maheshwari
> Priority: Critical
> Labels: ramp-up
>
> DEFAULT_INITIAL_TUPLE_CAPACITY is defaulted for 4 and is hardcoded. We need
> to convert this into a query option
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