[jira] [Assigned] (MAPREDUCE-3271) Lost nodes list and count not updated

["Jason Lowe (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Lowe reassigned MAPREDUCE-3271:
-------------------------------------

    Assignee: Jason Lowe
    
> Lost nodes list and count not updated
> -------------------------------------
>
>                 Key: MAPREDUCE-3271
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3271
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Ramya Sunil
>            Assignee: Jason Lowe
>            Priority: Critical
>             Fix For: 0.23.1
>
>
> When nodemanagers are lost, the "Lost Nodes" list and the count is not incremented. Either we,
> 1. Fix the lost nodes list when a nodemanager is lost - The problem with tracking lost nodes is, if the nodemanager joins back, there would be duplicate entries in active and lost nodes with different port numbers.
> 2. Do not track lost nodemanagers

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