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Posted to common-issues@hadoop.apache.org by "chris snow (JIRA)" <ji...@apache.org> on 2015/10/08 15:34:27 UTC

[jira] [Created] (HADOOP-12466) MapReduce tutorial clarifications

chris snow created HADOOP-12466:
-----------------------------------

             Summary: MapReduce tutorial clarifications
                 Key: HADOOP-12466
                 URL: https://issues.apache.org/jira/browse/HADOOP-12466
             Project: Hadoop Common
          Issue Type: Improvement
          Components: documentation
            Reporter: chris snow


The current MapReduce tutorial has the following statement which is confusing:

{quote}
Overall, Mapper implementations are passed the Job for the job via the Job.setMapperClass(Class) method.
{quote}

The sentence seems to contradict itself.   The code shows the mapper getting passed to the job.  However, the working suggests that the job is passed to the mapper?



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