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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-4869) Lost Trackers may not be able to join back
Date Fri, 19 Dec 2008 10:01:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-4869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated HADOOP-4869:
--------------------------------------------

    Status: Patch Available  (was: Open)

> Lost Trackers may not be able to join back
> ------------------------------------------
>
>                 Key: HADOOP-4869
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4869
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Devaraj Das
>            Assignee: Amareshwari Sriramadasu
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: patch-4869.txt
>
>
> There is a bug in the heartbeat processing which shows up when TaskTrackers are lost.
Due to the bug, lost TTs may not be able to join back the JT after reinitializing (and binding
to a RPC port different from the previous one). This bug got introduced in HADOOP-4305.

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