[jira] [Commented] (HDFS-7658) HDFS Space Quota not working as expected

["Vinayakumar B (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-7658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14287116#comment-14287116 ] 

Vinayakumar B commented on HDFS-7658:
-------------------------------------

Moved to HDFS

> HDFS Space Quota not working as expected
> ----------------------------------------
>
>                 Key: HDFS-7658
>                 URL: https://issues.apache.org/jira/browse/HDFS-7658
>             Project: Hadoop HDFS
>          Issue Type: Bug
>         Environment: CDH4.6
>            Reporter: Puttaswamy
>
> I am implementing hdfs quota in a cdh4.6 cluster .Hdfs name quota has been working properly.But the Hdfs Space quota has not been working as expected.i.e,
> I set the space quota of 500MB for a directory say /test-space-quota.
> Then i put a file of 10 Mb into /test-space-quota which worked .Now the space available is 480 MB ( 500 - 10*2) where 2 is rep factor.
> Then i put a file of 50Mb into /test-space-quota which worked too as expected. Now the space available is 380 MB (480 - 50*2)
> "I am checking the quota left from the command hadoop fs -count -q /test-space-quota"
> Then i tried to put a file of 100 Mb . It should since it will just consume 200 Mb of space with replication. But when i put that i got an error 
> "DataStreamer Exception
> org.apache.hadoop.hdfs.protocol.DSQuotaExceededException: The DiskSpace quota of /test is exceeded: quota = 524288000 B = 500 MB but diskspace consumed = 662700032 B = 632 MB"
> But the quota says
> hadoop fs -count -q /test-space-quota
>         none             inf       524288000       398458880            1            2           62914560 /test-space-quota
> Could you please help on this?



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