[jira] Updated: (HADOOP-6012) Improve help message for quotas

["Raghu Angadi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-6012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Raghu Angadi updated HADOOP-6012:
---------------------------------

    Attachment: HADOOP-6012.patch

Attached patch fixed above issues.

Help message: 

* Before : {noformat} $ bin/hdfs dfsadmin -help -setSpaceQuota
-setSpaceQuota <quota> <dirname>...<dirname>: Set the disk space quota <quota> for each directory <dirName>.
                The directory quota is a long integer that puts a hard limit
                on the number of names in the directory tree.
                Quota can also be speciefied with a binary prefix for terabytes,
                petabytes etc (e.g. 50t is 50TB, 5m is 5MB, 3p is 3PB).
                [...]  {noformat}

 * After : {noformat} $ bin/hdfs dfsadmin -help setSpaceQuota
-setSpaceQuota <quota> <dirname>...<dirname>: Set the disk space quota <quota> for each directory <dirName>.
                The space quota is a long integer that puts a hard limit
                on the total size of all the files under the directory tree.
                The extra space required for replication is also counted. E.g.
                a 1GB file with replication of 3 consumes 3GB of the quota.

                Quota can also be speciefied with a binary prefix for terabytes,
                petabytes etc (e.g. 50t is 50TB, 5m is 5MB, 3p is 3PB).
                [...] {noformat}

> Improve help message for quotas
> -------------------------------
>
>                 Key: HADOOP-6012
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6012
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.20.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>            Priority: Minor
>             Fix For: 0.20.1, 0.21.0
>
>         Attachments: HADOOP-6012.patch
>
>
> There are a few issues with quotas help messages.
> Space Quotas :
>   # It is not clear to the users that space quota counts replication as well. i.e. with a replication of 3, user needs 3GB of quota to be able to write 1GB file. should makes this explicit in the message
>   # There is a cut-n-paste error in the help message.
> All quota commands :
>   * user needs to type {{'dfsadmin \-help \-setQuota'}} (note '\-'before setQuota), where as for the rest of the dfsadmin (and fs) commands '-' is not required. Should make this consistent.
> Since this is documentation only fix, I would like to commit it to 0.20.1 also.

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