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https://issues.apache.org/jira/browse/HADOOP-4305?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated HADOOP-4305:
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Fix Version/s: 0.20.0
Assignee: Amareshwari Sriramadasu
> repeatedly blacklisted tasktrackers should get declared dead
> ------------------------------------------------------------
>
> Key: HADOOP-4305
> URL: https://issues.apache.org/jira/browse/HADOOP-4305
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Christian Kunz
> Assignee: Amareshwari Sriramadasu
> Fix For: 0.20.0
>
>
> When running a batch of jobs it often happens that the same tasktrackers are
> blacklisted again and again. This can slow job execution considerably, in
> particular, when tasks fail because of timeout.
> It would make sense to no longer assign any tasks to such tasktrackers and to
> declare them dead.
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