http://deprecated-apache-flink-mailing-list-archive.368.s1.nabble.com/jira-Closed-FLINK-672-Make-Aggregate-transformation-use-combinable-Reduce-tp466.html
Robert Metzger closed FLINK-672.
> Make Aggregate transformation use combinable Reduce
> ---------------------------------------------------
>
> Key: FLINK-672
> URL:
https://issues.apache.org/jira/browse/FLINK-672> Project: Flink
> Issue Type: Improvement
> Reporter: GitHub Import
> Assignee: Stephan Ewen
> Labels: github-import
> Fix For: pre-apache, pre-apache-0.5
>
>
> The current implementation of the Aggregate transformation compiles to a non-combinable GroupReduce.
> Many aggregation functions can be implemented more efficiently using combinable Reduce operators.
> ---------------- Imported from GitHub ----------------
> Url:
https://github.com/stratosphere/stratosphere/issues/672> Created by: [fhueske|
https://github.com/fhueske]
> Labels: enhancement, java api,
> Milestone: Release 0.6 (unplanned)
> Created at: Wed Apr 09 21:13:41 CEST 2014
> State: open