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From "Zhijie Shen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5237) ClusterStatus incompatiblity issues with MR1
Date Thu, 23 May 2013 04:46:47 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Zhijie Shen updated MAPREDUCE-5237:

    Attachment: MAPREDUCE-5237.1.patch

Added the three functions back. As M/R 1.x users may use JobTracker.State, a dummy JobTracker
class and the enum are added as well.

UNINITIALIZED_MEMORY_VALUE was changed to long. Note that this is an incompatible change to
previous 2.x releases.
> ClusterStatus incompatiblity issues with MR1
> --------------------------------------------
>                 Key: MAPREDUCE-5237
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5237
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: MAPREDUCE-5237.1.patch
> The three functions are:
> Collection<String> getGraylistedTrackerNames()
> int getGraylistedTrackers()
> State getJobTrackerState()
> The're tracker related, such that they are no longer used in MR2. Maybe we should add
them and throw UnsupportedOperationException?
> In addition, UNINITIALIZED_MEMORY_VALUE changes from long to int

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