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https://issues.apache.org/jira/browse/HDDS-7444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Saketa Chalamchala reassigned HDDS-7444:
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Assignee: Dave Teng
> Improvement for ozone -du/df functionalities
> --------------------------------------------
>
> Key: HDDS-7444
> URL: https://issues.apache.org/jira/browse/HDDS-7444
> Project: Apache Ozone
> Issue Type: Improvement
> Components: Ozone Filesystem
> Reporter: Dave Teng
> Assignee: Dave Teng
> Priority: Major
> Labels: file-system, ozone
>
> This is an umbrella jira for Ozones's du/df functionalities improvement:
> Current Status of the du/df functionality in Ozone file system:
> - Related found issues: HDDS-7260, HDDS-7443
> - What is supported currently:
> du:
> - du supports _admin_ user to query on
> {_}volume{_}/{_}bucket{_}/{_}directory{_} level (only supported in _FSO_ type
> of bucket)
> with command
> {code:java}
> ozone admin namespace du -r /vol1/bucket1/dir{code}
> df:
> - df supports _admin_ user to query quota on _bucket_ level (need _FSO_ type)
> {code:java}
> ozone admin namespace quota /vol1/bucket1 {code}
> - What Not-Supported currently:
> du:
> - not supported for _non-admin_ users
> df:
> - not supported for _non-admin_ user
> - not supported on *directory* level for _admin_ user
>
> - Proposal:
> In order to enable du/df to work for both admin/non-admin users,
> We'd like to improve the integration between Recon & Ozone.
> Though another potential solution is to use SCM reports disk usage back to OM,
> but this requires OM to traverse all keys of the target directory, which
> might have performance issue.(could be further discussed)
> Thus we think using _Recon_ might be a better solution.
>
> What work would be required:
> 1. Currently there is no ACL management in Recon.
> We have to firstly integrate ACL management into Recon.(For example, Ranger)
> 2. Utilize Recon API for ozone du command on volume/bucket/ directory level,
> with ACL integrated.
> 3. Utilize Recon API for ozone df command on volume/bucket/ directory level,
> with ACL integrated.
>
> Proposal draft (WIP):
> [link|https://docs.google.com/document/d/1-dZ62fvJVWPo77DBxGn1EpUucBWWb8buD8KDPYbeENc/edit?usp=sharing]
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