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https://issues.apache.org/jira/browse/HADOOP-2818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12582177#action_12582177
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Amareshwari Sriramadasu commented on HADOOP-2818:
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I think we can undeprecate Counters.Group.getCounter(String counterName)),
because, if we remove that method, even if we already know the counterName,
there is no other way to get the counter value otherthan iterating again.
For ex. You may want to know the counter values in 3 groups simultaneously with
a given counterName, all three groups have to be iterated if we remove this
method.
> Remove deprecated Counters.getDisplayName(), getCounterNames(),
> getCounter(String counterName)
> --------------------------------------------------------------------------------------------------
>
> Key: HADOOP-2818
> URL: https://issues.apache.org/jira/browse/HADOOP-2818
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.16.0
> Reporter: Amareshwari Sriramadasu
>
> Counters.getDisplayName(), getCounterNames(), getCounter(String
> counterName) need to removed as they are deprecated in 0.16.
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