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https://issues.apache.org/jira/browse/HDFS-15572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17194407#comment-17194407
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Takanobu Asanuma commented on HDFS-15572:
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If I understand correctly, RBF doesn't guarantee strong consistency for mount
table operations.
> RBF: Quota updating every 1 min once, if I setquota 50 on mount path, in a
> minute i am able to write the files morethan quota in mount path.
> ---------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-15572
> URL: https://issues.apache.org/jira/browse/HDFS-15572
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf
> Affects Versions: 3.1.1
> Reporter: Harshakiran Reddy
> Assignee: Hemanth Boyina
> Priority: Major
>
> IN Router State store quota updating every 1 min once only, if i set quota 50
> on mount path am able to write more that quota in the mount path here quota
> will not work out.
> {noformat}
> 1. Create a destinations dir in Namespaces
> 2. Create a mount path with multiple destinations
> 3. Setquota 50 on mount path
> 4. write a files morethan 50 + in the mount path in a minute
> {noformat}
> *Excepted Result:-*
> Here after setquota mount path should not allow morethan that at any cost.
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