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Posted to mapreduce-dev@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.
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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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