[FLINK-3473] Add partial aggregate support in Flink - ASF JIRA

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Details

Type: Improvement
Status: Closed
Priority: Minor
Resolution: Won't Fix
Affects Version/s: None
Fix Version/s: None
Component/s: Table SQL / Legacy Planner
Labels:
- auto-deprioritized-major
- auto-unassigned

Description

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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PartialAggregateinFlink_v1.pdf
23/Feb/16 08:39
188 kB
Chengxiang Li
PartialAggregateinFlink_v2.pdf
03/Mar/16 06:50
201 kB
Chengxiang Li

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Assignee:: Unassigned

Reporter:: Chengxiang Li

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Dates

Created:: 23/Feb/16 07:38

Updated:: 05/Jul/21 13:19

Resolved:: 05/Jul/21 13:19