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https://issues.apache.org/jira/browse/HDFS-13377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17059064#comment-17059064
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Íñigo Goiri commented on HDFS-13377:
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This breaks the existing behavior but it seems like a fair use case.
I would expect users to be able to set quotas in their folders.
I think this makes even more sense with groups: I create a folder for my group
and I want to set quotas for others in the group.
The only problem I see here is that this is an interface that goes through
DFSAdmin and it makes it a little confusing...
Anyway, this is a big conceptual change and we may want to gather more inputs.
Comments about the patch:
* No need to add the JIRA number to FSNamesystem#466, one can always use git
blame; there are cases where this makes sense but I don't think this is one of
those.
* The existing test is pretty good but I would increase the code coverage as
this is a pretty big change in behavior and I'd like to cover all possible
corner cases. Possible changes:
** Cover the cases where we check the permissions based on groups (e.g., user2
is also a member of group hadoop and check if the changes can happen).
** Setting the quota directly as a user without setting as superuser first.
** What about making this its own file and have the cluster in the Before and
then do each of the tests as a function instead a long method testing a lot of
things?
* Does {{ugi.doAs}} support lambdas?
BTW, [~hadoop_yangyun], could you format the name of the patches as
HDFS-13377.003.patch etc?
> The owner of folder can set quota for his sub folder
> ----------------------------------------------------
>
> Key: HDFS-13377
> URL: https://issues.apache.org/jira/browse/HDFS-13377
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Yang Yun
> Assignee: Yang Yun
> Priority: Minor
> Attachments: HDFS-13377.patch, HDFS-13377.patch, HDFS-13377.patch
>
>
> Currently, only super user can set quota. That is huge burden for
> administrator in a large system. Add a new feature to let the owner of a
> folder also has the privilege to set quota for his sub folders.
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