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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3343) Replace Strings with Objects for representing the slaves in the JobTracker.
Date Sat, 03 May 2008 13:40:55 GMT
Replace Strings with Objects for representing the slaves in the JobTracker.
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                 Key: HADOOP-3343
                 URL: https://issues.apache.org/jira/browse/HADOOP-3343
             Project: Hadoop Core
          Issue Type: Improvement
          Components: mapred
            Reporter: Amar Kamat


Currently the JobTracker stores the trackername as a String. JobTracker relies on a hack (string
parsing) to deduce the hostname/port information from the trackername. It would be better
if the slaves/trackers are represented by an ID and the ID provides certain APIs for getting
this information. Something like

{code}
class TrackerId {
getHostname()
getPort()
toString()
readFrom()
write()
}
{code}

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