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From "Iyappan Srinivasan (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1032) taskcontroller.cfg should be checked before task tracker comes up
Date Thu, 24 Sep 2009 04:50:16 GMT
taskcontroller.cfg should be checked before task tracker comes up

                 Key: MAPREDUCE-1032
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1032
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: contrib/capacity-sched
    Affects Versions: 0.22.0
            Reporter: Iyappan Srinivasan

Right now, task-controller.cfg should have two mandatory parameters mapreduce.cluster.local.dir
and hadoop.log.dir, without which cluster comes up including Task tracker , but when any jobs
are submitted, it gives errors. 

This will highly confuse the Ops and end-user.

Even though, when every job is submitted, task-controller.cfg is checked, it should be checked
in the very beginning when Task tracker comes up. 

Expected behaviour is :
1) TT should not come up.
2) TT logs should show why its not come up like which parameter is missing and if found, if
the values mismatches with the mapred-site.xml

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