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https://issues.apache.org/jira/browse/HDFS-687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763851#action_12763851
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Konstantin Boudnik commented on HDFS-687:
-----------------------------------------
Two things:
- according to this piece of code of {{DFSAdmin}} class
{noformat}
SetSpaceQuotaCommand(String[] args, int pos, FileSystem fs) {
super(fs);
CommandFormat c = new CommandFormat(NAME, 2, Integer.MAX_VALUE);
List<String> parameters = c.parse(args, pos);
{noformat}
the max value is {{Integer.MAX_VALUE}}
- {{parse}} is throwing {{IlligalArgumentException}} if max value is topped. I
wonder why this isn't happening
> FS setSpaceQuota should warn when user attempts to set quota of very large
> amount.
> -----------------------------------------------------------------------------------
>
> 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}
> [had...@0035 hadoop]$ bin/hadoop dfsadmin -setQuota 9223372036854775
> /user/rphulari
> [had...@0035 hadoop]$ bin/hadoop dfsadmin -setQuota 9223372036854775456
> /user/rphulari
> [had...@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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