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From "Aroop Maliakkal (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5478) Provide a node health check script and run it periodically to check the node health status
Date Thu, 12 Mar 2009 15:18:50 GMT
Provide a node health check script and run it periodically to check the node health status
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                 Key: HADOOP-5478
                 URL: https://issues.apache.org/jira/browse/HADOOP-5478
             Project: Hadoop Core
          Issue Type: New Feature
          Components: mapred
    Affects Versions: 0.20.0
            Reporter: Aroop Maliakkal


Hadoop must have some mechanism to find the health status of a node . It should run the health
check script periodically and if there is any errors, it should black list the node. This
will be really helpful when we run static mapred clusters. Else we may have to run some scripts/daemons
periodically to find the node status and take it offline manually.



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