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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4808) Blacklisting of TaskTrackers should take into account the user-ID
Date Tue, 09 Dec 2008 19:33:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654920#action_12654920
] 

Runping Qi commented on HADOOP-4808:
------------------------------------


My point is that we don't want to complicate the implementation by attempts that try to address
one aspect of the problem but  the fundamental problem of the threads of malicious code remain
the same.


> Blacklisting of TaskTrackers should take into account the user-ID
> -----------------------------------------------------------------
>
>                 Key: HADOOP-4808
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4808
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.20.0
>            Reporter: Devaraj Das
>
> With HADOOP-4305, it is possible to blacklist TaskTrackers across jobs. It might make
sense to also take into account the users whose tasks are being run on the TaskTrackers, and
use it in the blacklisting strategy.

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