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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1120) JobClient poll intervals should be job configurations, not cluster configurations
Date Tue, 23 Mar 2010 02:51:27 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated MAPREDUCE-1120:
-------------------------------------

        Fix Version/s: 0.21.0
    Affects Version/s:     (was: 0.22.0)
                       0.21.0
               Status: Open  (was: Patch Available)

bq. Do we need to maintain compatibility on these static functions, since they're a public
API?

I'd say no. They were added in 0.21, which hasn't been released. It can be patched in both.

Maintaining the separation between "progress" and "completion" polling intervals offers very
little in functionality. Any objections to collapsing these tunables into a single set method
on the {{Job}} instance?

> JobClient poll intervals should be job configurations, not cluster configurations
> ---------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1120
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1120
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: client
>    Affects Versions: 0.21.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: mapreduce-1120.txt
>
>
> Job.waitForCompletion gets the poll interval from the Cluster object's configuration
rather than its own Job configuration. This is counter-intuitive - Chris and I both made this
same mistake working on MAPREDUCE-64, and Aaron agrees as well.

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