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Posted to dev@crunch.apache.org by "Josh Wills (JIRA)" <ji...@apache.org> on 2013/11/01 07:13:17 UTC
[jira] [Commented] (CRUNCH-286) ability to specify a different
function for combiner & reducer
[ https://issues.apache.org/jira/browse/CRUNCH-286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13811071#comment-13811071 ]
Josh Wills commented on CRUNCH-286:
-----------------------------------
+1
> ability to specify a different function for combiner & reducer
> --------------------------------------------------------------
>
> Key: CRUNCH-286
> URL: https://issues.apache.org/jira/browse/CRUNCH-286
> Project: Crunch
> Issue Type: New Feature
> Components: Core
> Reporter: Stefan De Smit
> Assignee: Josh Wills
> Priority: Minor
> Attachments: 0001-add-combineValues-method-with-2-function-arguments.patch, 0002-.patch, CRUNCH-286-prototype.patch, CRUNCH-286.patch.1
>
>
> Extend PGroupedTable with an extra combineValues function that accepts 2 functions: 1 for combiner phase, 1 for reducer phase.
> This way, different algorithm can be applied.
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