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https://issues.apache.org/jira/browse/HADOOP-6287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760145#action_12760145
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eric baldeschwieler commented on HADOOP-6287:
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We could add range checking and target units too.
Target units would let us deal with variables in the system like
mapred.job.memory.mb.
We could make the whole thing a lot more self documenting at the same time...
> Support units for configuration knobs
> -------------------------------------
>
> Key: HADOOP-6287
> URL: https://issues.apache.org/jira/browse/HADOOP-6287
> Project: Hadoop Common
> Issue Type: Improvement
> Components: conf
> Reporter: Arun C Murthy
>
> We should add support for units in our Configuration system so that we can
> specify values to be *1GB* or *1MB* rather than forcing every component which
> consumes such values to be aware of these.
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