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https://issues.apache.org/jira/browse/MAPREDUCE-5237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13668850#comment-13668850
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Vinod Kumar Vavilapalli commented on MAPREDUCE-5237:
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bq. UNINITIALIZED_MEMORY_VALUE was changed to long. Note that this is an
incompatible change to previous 2.x releases.
This is right, but shouldn't be a big deal. Will mark it incompatible though.
Patch looks good to me too, +1. Checking this in.
> 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, MAPREDUCE-5237.2.patch,
> MAPREDUCE-5237.3.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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