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Posted to common-dev@hadoop.apache.org by "Amareshwari Sriramadasu (JIRA)" <ji...@apache.org> on 2008/09/05 10:37:44 UTC

[jira] Commented: (HADOOP-2165) Augment JobHistory to store tasks' userlogs

    [ https://issues.apache.org/jira/browse/HADOOP-2165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12628592#action_12628592 ] 

Amareshwari Sriramadasu commented on HADOOP-2165:
-------------------------------------------------

Some comments:
1. Same code change is present in both MapAttempt and ReduceAttempt, I think the common code can be moved to TaskAttempt.
2. Doesn't  it make sense to show the userlogs link in history only if the link works?

> Augment JobHistory to store tasks' userlogs
> -------------------------------------------
>
>                 Key: HADOOP-2165
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2165
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Arun C Murthy
>            Assignee: Vinod K V
>         Attachments: patch_userlog_1.4.3.txt
>
>
> It will be very useful to be able to see the job's userlogs (the stdout/stderr/syslog of the tasks) from the JobHistory page. It will greatly aid in debugging etc.
> At the very minimum we should have links from the JobHistory to the logs on the TT.

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