[jira] Commented: (HADOOP-4254) Cannot setSpaceQuota to 1TB

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12633968#action_12633968 ] 

Tsz Wo (Nicholas), SZE commented on HADOOP-4254:
------------------------------------------------

The problem is due to the constructor of SetQuotaCommand.  There is a int overflow for setting multiplier = 1024 * 1024 * 1024 * 1024, where the type of multiplier is long.  A simple fix is to change 1024 to 1024L.  I suggest we use StringUtils.TraditionalBinaryPrefix to parsing the value.

> Cannot setSpaceQuota to 1TB
> ---------------------------
>
>                 Key: HADOOP-4254
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4254
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Tsz Wo (Nicholas), SZE
>
> When setting space quota to 1TB, it shows "/ by zero".
> {noformat}
> bash-3.2$ ./bin/hadoop dfsadmin -setSpaceQuota 1TB /user
> setSpaceQuota: / by zero
> {noformat}

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