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https://issues.apache.org/jira/browse/HDDS-7479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17632334#comment-17632334
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Sumit Agrawal commented on HDDS-7479:
-------------------------------------

*Volume Quota:*

namespace-quota: represents number of buckets a volume can have

space-quota: total space consumed by all buckets including its hierarchy

 

*Bucket Quota:*

*Legacy Bucket layout:*

  *namespace-quota:* its count of all keys created. It does not include 
hierarchy of key (no directory concept). eg:

    /vol/bucket/key1  <-- consumes "1" namespace

    /vol/bucket/level1/level2/key1. <-- this also consumes "1" namespace

  *space-quota:* its space utilized by all keys

*FSO Bucket layout:*

  *namespace-quota:* its count of all directory and files.

  *space-quota:* its space utilized by all files.

 

There are gaps in above behaviour for FSO which will be handled as part of 
https://issues.apache.org/jira/browse/HDDS-4854

 

> Investigate -100% Volume and bucket quotas working
> --------------------------------------------------
>
>                 Key: HDDS-7479
>                 URL: https://issues.apache.org/jira/browse/HDDS-7479
>             Project: Apache Ozone
>          Issue Type: Improvement
>            Reporter: Sumit Agrawal
>            Assignee: Sumit Agrawal
>            Priority: Major
>
> Need verify quota feature and fix issues:
>  # Volume and bucket relationship
>  # Bucket with Legacy layout
>  # Bucket with FSO layout
>  # verify all FS feature for FSO layout related to quota
>  # Review code for missing scenario



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