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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3888) Clean up the JobTracker code
Date Fri, 01 Aug 2008 11:20:33 GMT
Clean up the JobTracker code

                 Key: HADOOP-3888
                 URL: https://issues.apache.org/jira/browse/HADOOP-3888
             Project: Hadoop Core
          Issue Type: Improvement
          Components: mapred
    Affects Versions: 0.19.0
            Reporter: Steve Loughran
            Priority: Minor

My IDE flags a lot of trouble in the JobTracker code, but I dont want to mix those changes
with any lifecycle changes. After doing that, then I'd like to clean up the code in JobTracker

-move to generic types and foreach loops over Vector and iterators.
-give all threads the correct type
-stop using package scoped static variables to pass instance-data around specifically 
-fix up all the javadoc warnings 
-remove the needless this. references on lots of local variables
-replace the log + stringifyException with log(text,exception). 

Its only an hour or so of work, and would improve the code maintainability, but it would 
make merging existing code harder.

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