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

["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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