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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5355) Hadoop Quota documentation missing "user facing" content
Date Fri, 27 Feb 2009 19:41:12 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12677493#action_12677493
] 

Raghu Angadi commented on HADOOP-5355:
--------------------------------------


> What will happen to their running jobs, how will the command line client react, etc?

What would a user expect in that case. I think it behaves as expected with any change in directory
permissions and quotas in other systems : If the quota can be set, it will be set. Once it
is set, if a (near) future action by a job running or otherwise, violates the quota, it will
get an error.

How that error finally propagates to user concerned with the job is part of M/R framework.

> Hadoop Quota documentation missing "user facing" content
> --------------------------------------------------------
>
>                 Key: HADOOP-5355
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5355
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Marco Nicosia
>            Priority: Minor
>
> Right now, the HDFS Quota Admin guide is full of good stuff on how to set/unset both
space and name quotas.
> However, there's no documentation on how users should expect the system to behave. What
will happen to their running jobs, how will the command line client react, etc?

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