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Posted to dev@tinkerpop.apache.org by "Marko A. Rodriguez (JIRA)" <ji...@apache.org> on 2017/01/19 17:13:26 UTC
[jira] [Closed] (TINKERPOP-842) MapReduceHelper should sort
respective of the number of reduce tasks
[ https://issues.apache.org/jira/browse/TINKERPOP-842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marko A. Rodriguez closed TINKERPOP-842.
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Resolution: Won't Fix
Assignee: Marko A. Rodriguez
{{MapReduce}} API in {{GraphComputer}} is deprecated in favor of the Memory aggregators. Thus, no point in doing work on this ticket.
> MapReduceHelper should sort respective of the number of reduce tasks
> --------------------------------------------------------------------
>
> Key: TINKERPOP-842
> URL: https://issues.apache.org/jira/browse/TINKERPOP-842
> Project: TinkerPop
> Issue Type: Improvement
> Components: hadoop
> Affects Versions: 3.0.2-incubating
> Reporter: Marko A. Rodriguez
> Assignee: Marko A. Rodriguez
> Priority: Trivial
>
> 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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