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https://issues.apache.org/jira/browse/FLINK-3473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-3473:
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Labels: auto-unassigned stale-major (was: auto-unassigned)
I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help
the community manage its development. I see this issues has been marked as
Major but is unassigned and neither itself nor its Sub-Tasks have been updated
for 30 days. I have gone ahead and added a "stale-major" to the issue". If this
ticket is a Major, please either assign yourself or give an update. Afterwards,
please remove the label or in 7 days the issue will be deprioritized.
> Add partial aggregate support in Flink
> --------------------------------------
>
> Key: FLINK-3473
> URL: https://issues.apache.org/jira/browse/FLINK-3473
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Legacy Planner
> Reporter: Chengxiang Li
> Priority: Major
> Labels: auto-unassigned, stale-major
> Attachments: PartialAggregateinFlink_v1.pdf,
> PartialAggregateinFlink_v2.pdf
>
>
> For decomposable aggregate function, partial aggregate is more efficient as
> it significantly reduce the network traffic during shuffle and parallelize
> part of the aggregate calculation. This is an umbrella task for partial
> aggregate.
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