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Posted to mapreduce-dev@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2012/06/20 00:54:42 UTC

[jira] [Created] (MAPREDUCE-4355) Add JobStatus getJobStatus(JobID) to JobClient.

Karthik Kambatla created MAPREDUCE-4355:
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             Summary: Add JobStatus getJobStatus(JobID) to JobClient.
                 Key: MAPREDUCE-4355
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4355
             Project: Hadoop Map/Reduce
          Issue Type: New Feature
          Components: mrv1, mrv2
    Affects Versions: 2.0.0-alpha, 1.0.3
            Reporter: Karthik Kambatla
            Assignee: Karthik Kambatla


To read the start-time of a particular job, one should not need to getAllJobs() and iterate through them.

getJob(JobID) returns RunningJob, which doesn't hold the job's start time.

Hence, we need to add getJobStatus(JobID) to the API.


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[jira] [Reopened] (MAPREDUCE-4355) Add JobStatus getJobStatus(JobID) to JobClient.

Posted by "Arun C Murthy (JIRA)" <ji...@apache.org>.

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4355?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy reopened MAPREDUCE-4355:
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I'm sorry, but we *cannot* make an incompatible change to JobClient which is a public API, at least in hadoop-1.x

-1 on this change.

This will break a number of existing apis.

It seems we cud just add start-time to RunningJob if necessary.

Alejandro - do you mind reverting this change since it breaks compatibility? Thanks.
                
> Add JobStatus getJobStatus(JobID) to JobClient.
> -----------------------------------------------
>
>                 Key: MAPREDUCE-4355
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4355
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>          Components: mrv1, mrv2
>    Affects Versions: 1.0.3, 2.0.0-alpha
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>             Fix For: 1.1.0, 2.0.1-alpha
>
>         Attachments: MR-4355_mr1.patch, MR-4355_mr2.patch
>
>
> To read the start-time of a particular job, one should not need to getAllJobs() and iterate through them.
> getJob(JobID) returns RunningJob, which doesn't hold the job's start time.
> Hence, we need to add getJobStatus(JobID) to the API.

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