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Posted to mapreduce-issues@hadoop.apache.org by "Jonathan Eagles (JIRA)" <ji...@apache.org> on 2014/04/25 16:31:20 UTC

[jira] [Resolved] (MAPREDUCE-5118) Inverted Index

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5118?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Eagles resolved MAPREDUCE-5118.
----------------------------------------

          Resolution: Later
    Target Version/s: 1.1.2, 2.0.3-alpha, 0.23.3, 0.20.205.0  (was: 0.20.205.0, 0.23.3, 2.0.3-alpha, 1.1.2)

> Inverted Index
> --------------
>
>                 Key: MAPREDUCE-5118
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5118
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: benchmarks
>            Reporter: Faraz Ahmad
>            Assignee: Faraz Ahmad
>         Attachments: MAPREDUCE-5116.patch
>
>   Original Estimate: 0h
>  Remaining Estimate: 0h
>
> Inverted-Index takes a list of documents as input and generates word-to-document indexing. Map emits <word, docId> tuples with each word emitted once per docId. Reduce combines all tuples on key <word> and emits <word,docId> tuples after removing duplicates.



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