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From "Sharad Agarwal (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4772) Combine TaskTracker information into single class in JobTracker
Date Thu, 04 Dec 2008 08:43:44 GMT
Combine TaskTracker information into single class in JobTracker
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                 Key: HADOOP-4772
                 URL: https://issues.apache.org/jira/browse/HADOOP-4772
             Project: Hadoop Core
          Issue Type: Improvement
          Components: mapred
            Reporter: Sharad Agarwal


Currently tracker related information is spanned thru multiple datastructures. eg. trackerToTaskMap,
trackerToMarkedTasksMap, trackerToHeartbeatResponseMap etc. These are hard to maintain. It
would be efficient (as there won't be multiple searches in TreeSet) and much more manageable
code if we create a single class say TrackerInfo; and just have one map of trackerId to TrackerInfo

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