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Date: Mon, 28 Sep 2009 03:48:16 -0700 (PDT)
From: "Steve Loughran (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-6287) Support units for configuration
 knobs
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    [ https://issues.apache.org/jira/browse/HADOOP-6287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12760211#action_12760211 ] 

Steve Loughran commented on HADOOP-6287:
----------------------------------------

Also, what happens when you try to getInt() a value that is out of range of an integer? I believe historically Integer.parseInt() would throw a NumberFormatException which would lead to the default. Trying to cast a long to an int may be a different behaviour.

# Tests need to establish what the current behaviour is
# New code needs to maintain that behaviour -if everyone agrees that the old behaviour was the correct one.

> 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
>            Assignee: Eli Collins
>         Attachments: hadoop-6287-1.patch
>
>
> 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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