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From "Stefan De Smit (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-286) ability to specify a different function for combiner & reducer
Date Fri, 25 Oct 2013 10:24:30 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefan De Smit updated CRUNCH-286:
----------------------------------

    Attachment: 0002-.patch
                0001-add-combineValues-method-with-2-function-arguments.patch

> 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
>
>
> 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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