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Posted to dev@tinkerpop.apache.org by "stephen mallette (JIRA)" <ji...@apache.org> on 2015/10/05 15:02:26 UTC

[jira] [Updated] (TINKERPOP3-842) MapReduceHelper should sort respective of the number of reduce tasks

     [ https://issues.apache.org/jira/browse/TINKERPOP3-842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stephen mallette updated TINKERPOP3-842:
----------------------------------------
    Affects Version/s: 3.0.1-incubating

> MapReduceHelper should sort respective of the number of reduce tasks
> --------------------------------------------------------------------
>
>                 Key: TINKERPOP3-842
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP3-842
>             Project: TinkerPop 3
>          Issue Type: Improvement
>          Components: hadoop
>    Affects Versions: 3.0.1-incubating
>            Reporter: Marko A. Rodriguez
>            Assignee: Marko A. Rodriguez
>             Fix For: 3.1.0-incubating
>
>
> In Hadoop2, sorting reduce output is more complex than simply setting an {{IdentityReducer}}. Right now, to get sorted map and reduce output, the number of reduce tasks needs to be set to 1. This is not a good long term solution. Figure out how to make it work for an arbitrary number of reducers.



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