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Posted to common-dev@hadoop.apache.org by "Paco Nathan (JIRA)" <ji...@apache.org> on 2008/07/29 08:14:32 UTC

[jira] Commented: (HADOOP-3850) make HistoryViewer a public class.

    [ https://issues.apache.org/jira/browse/HADOOP-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617717#action_12617717 ] 

Paco Nathan commented on HADOOP-3850:
-------------------------------------

Currently this is not written as a public class, which makes it difficult to use inside application code.

This kind of summary analysis about jobs is quite useful to access from within the application, for performance testing and cost modeling.

Another change would be to have getters for many of the calculated values, instead of printing them.



> make HistoryViewer a public class.
> ----------------------------------
>
>                 Key: HADOOP-3850
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3850
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.17.0
>            Reporter: Amareshwari Sriramadasu
>            Priority: Minor
>
> org.apache.hadoop.mapred.HistoryViewer is useful to access Job history files from application code. The class can be made public.

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