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https://issues.apache.org/jira/browse/TEZ-976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13946785#comment-13946785
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Tassapol Athiapinya commented on TEZ-976:
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{block}
Does wordcount support multiple pairs of inputs/outputs.
{block}
No, it does not. I retained old code, which was wrong. run method supports only
2 arguments (input path, output path). Correcting this.
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Also, the conf object created using the -Dparams is completely ignored. That
seems wrong.
{block}
Thanks for pointing this out. Fixed. conf is now passed into run method.
> WordCount example includes map-reduce argument into input/output dir argument.
> ------------------------------------------------------------------------------
>
> Key: TEZ-976
> URL: https://issues.apache.org/jira/browse/TEZ-976
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.4.0
> Reporter: Tassapol Athiapinya
> Assignee: Tassapol Athiapinya
> Attachments: TEZ-976.2.patch, TEZ-976.patch
>
>
> /usr/lib/hadoop/bin/hadoop jar /usr/lib/tez/tez-mapreduce-examples-*.jar
> wordcount "-Dmapreduce.framework.name=yarn" /mydir1/RTW /mydir2
> Usage: wordcount <in1> <out1>
> The reason is its code does not ignore hadoop/MR argument.
> {code}
> public static void main(String[] args) throws Exception {
> if ((args.length%2) != 0) {
> printUsage();
> System.exit(2);
> }
> WordCount job = new WordCount();
> job.run(args[0], args[1], null);
> }
> {code}
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