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https://issues.apache.org/jira/browse/IGNITE-24291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17924581#comment-17924581
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Ignite TC Bot commented on IGNITE-24291:
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{panel:title=Branch: [pull/11827/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/11827/head] Base: [master] : No new tests
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#F7D6C1}{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=8296202&buildTypeId=IgniteTests24Java8_RunAll]
> 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 20m
> 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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