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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8967) Reported source for config property can be misleading
Date Tue, 23 Oct 2012 22:30:12 GMT
Jason Lowe created HADOOP-8967:

             Summary: Reported source for config property can be misleading
                 Key: HADOOP-8967
                 URL: https://issues.apache.org/jira/browse/HADOOP-8967
             Project: Hadoop Common
          Issue Type: Bug
          Components: conf
    Affects Versions: 0.23.3
            Reporter: Jason Lowe
            Priority: Minor

Configuration.set tries to track the source of a property being set, but it mistakenly reports
properties as being deprecated when they are not.  This is misleading and confusing for users
examining a job's configuration.

For example, run a sleep job and check the job configuration on the job UI.  The source for
the "mapreduce.job.maps" property will be reported as "job.xml ⬅ because mapreduce.job.maps
is deprecated".  This leads users to think mapreduce.job.maps is now a deprecated property
and wonder what other property they should use instead.

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