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https://issues.apache.org/jira/browse/CALCITE-1093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser resolved CALCITE-1093.
---------------------------------
Resolution: Fixed
Fix Version/s: (was: next)
1.7.0
Fixed in
https://git1-us-west.apache.org/repos/asf?p=calcite.git;a=commit;h=ea41b3412f099c8f1051f1b324b1ba03d644962a
> Smarter use of List construction
> --------------------------------
>
> Key: CALCITE-1093
> URL: https://issues.apache.org/jira/browse/CALCITE-1093
> Project: Calcite
> Issue Type: Sub-task
> Components: avatica
> Reporter: Josh Elser
> Assignee: Josh Elser
> Fix For: 1.7.0
>
>
> Through profiling the Avatica server, I noticed that we were spending some
> time resizing an ArrayList while converting {{MetaResultSet}}'s to
> {{ResultSetResponse}}'s. This was because we did not specify the capacity of
> the {{ArrayList<ResultSetResponse>}} during construction despite knowing what
> the capacity needed to be.
> We can avoid some costly array copies if we specify the capacity in the
> constructor.
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