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https://issues.apache.org/jira/browse/HADOOP-7959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13186433#comment-13186433
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Harsh J commented on HADOOP-7959:
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Great catch Bryan. Would you mind contributing a doc-fix patch that fixes the
Progressable statement?
Thanks,
Harsh
> Contradiction in Hadoop Documentation
> -------------------------------------
>
> Key: HADOOP-7959
> URL: https://issues.apache.org/jira/browse/HADOOP-7959
> Project: Hadoop Common
> Issue Type: Bug
> Components: documentation
> Affects Versions: 1.0.0
> Environment:
> http://hadoop.apache.org/common/docs/current/api/org/apache/hadoop/util/Progressable.html
> Reporter: Bryan Halfpap
> Priority: Minor
> Labels: Documentation
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> http://hadoop.apache.org/common/docs/current/api/org/apache/hadoop/util/Progressable.html
> The statement: "This is especially important for operations which take an
> insignificant amount of time since, in-lieu of the reported progress, the
> framework has to assume that an error has occured and time-out the
> operation." in the aforementioned URL directly contradicts
> http://hadoop.apache.org/common/docs/r0.20.2/mapred_tutorial.html#Reporter
> which states: "where the application takes a significant amount of time to
> process individual key/value pairs, this is crucial since the framework might
> assume that the task has timed-out and kill that task."
> The two statements should be reconciled in order to remove confusion.
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