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Posted to mapreduce-dev@hadoop.apache.org by "Zhijie Shen (JIRA)" <ji...@apache.org> on 2013/05/29 20:32:20 UTC

[jira] [Created] (MAPREDUCE-5281) Mapreduce API: Counter changes from non-abstract class to interface

Zhijie Shen created MAPREDUCE-5281:
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             Summary: Mapreduce API: Counter changes from non-abstract class to interface
                 Key: MAPREDUCE-5281
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5281
             Project: Hadoop Map/Reduce
          Issue Type: Sub-task
            Reporter: Zhijie Shen
            Assignee: Zhijie Shen


Therefore, significant changes in Counter:

1. Two Constructors are removed;
2. Following methods are removed:
* boolean equals(Object)
* int hashCode()
* void readFields(DataInput)
* void write(DataOutput)

Fix of this issue may break 0.23.

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