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https://issues.apache.org/jira/browse/HADOOP-3187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang updated HADOOP-3187:
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Release Note:
The directory quota is a hard limit on the number of names in the tree rooted
at that directory. This jira allows an administrator to set quotas on
individual directories explicitly. Newly created directories have no associated
quota. The largest quota is Long.Max_Value. A quota of one forces a directory
to remain empty. File/directory creations fault if the quota would be
exceeded. Quotas stick to renamed directories; the rename operation
faults if operation would result in a quota violation. The attempt to set a
quota faults if the directory would be in violation of the new quota.
Hadoop Flags: [Reviewed]
Status: Patch Available (was: Open)
> Quotas for name space management
> --------------------------------
>
> Key: HADOOP-3187
> URL: https://issues.apache.org/jira/browse/HADOOP-3187
> Project: Hadoop Core
> Issue Type: New Feature
> Reporter: Robert Chansler
> Assignee: Hairong Kuang
> Fix For: 0.18.0
>
> Attachments: quota.patch, quota1.patch, quota2.patch, quota3.patch,
> quota4.patch, QuotasDesign.pdf, QuotasDesign1.pdf
>
>
> Create a quota mechanism for name space management.
> Quota set at a directory by super user restricts that number of names in and
> below that directory.
> Quota tested by create() and rename().
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