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https://issues.apache.org/jira/browse/IGNITE-24291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17916727#comment-17916727
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Maksim Timonin commented on IGNITE-24291:
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No blockers found!
[https://tcbot2.sbt-ignite-dev.ru/pr.html?serverId=apache&suiteId=IgniteTests24Java8_RunAll&branchForTc=pull/11827/head&action=Latest]
> Calcite creates Object[] for every row before aggregate it
> -----------------------------------------------------------
>
> Key: IGNITE-24291
> URL: https://issues.apache.org/jira/browse/IGNITE-24291
> Project: Ignite
> Issue Type: Improvement
> Reporter: Maksim Timonin
> Assignee: Maksim Timonin
> Priority: Major
> Labels: ise
> Fix For: 2.18
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> AccumulatorWrapper#add invokes inAdapter for every row in a group, that
> actually creates new Object[] for every call with the same size.
> This can be optimized by using single Object[] instance, re-used for every
> row.
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