[jira] Created: (HDFS-687) FS setSpaceQuota should warn when user attempts to set quota of very large amount.

["Ravi Phulari (JIRA)" <ji...@apache.org>]

FS setSpaceQuota should warn  when user attempts to set quota of very large amount.
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                 Key: HDFS-687
                 URL: https://issues.apache.org/jira/browse/HDFS-687
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Ravi Phulari


FS -setSpaceQuota has upper limit of  Long.Max_Value  ( http://hadoop.apache.org/common/docs/current/hdfs_quota_admin_guide.html )

There is no warning message when user attempts to set a quota of very large amount .

{noformat
[hadoop@0035 hadoop]$ bin/hadoop dfsadmin  -setQuota 9223372036854775 /user/rphulari
[hadoop@0035 hadoop]$ bin/hadoop dfsadmin  -setQuota 9223372036854775456 /user/rphulari
[hadoop@0035 hadoop]$ bin/hadoop dfsadmin  -setQuota 9223372036854775456456 /user/rphulari
setQuota: For input string: "9223372036854775456456"
Usage: java DFSAdmin [-setQuota <quota> <dirname>...<dirname>]
{noformat}

HDFS should warn user of maximum range of quota which can be applied.

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