[jira] [Updated] (HDDS-5332) Add a new column family and a service provider in Recon DB for Namespace Summaries

["Yuan Gu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-5332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yuan Gu updated HDDS-5332:
--------------------------
    Summary: Add a new column family and a service provider in Recon DB for Namespace Summaries  (was: Add a new column family in Recon DB for Namespace Summaries)

> Add a new column family and a service provider in Recon DB for Namespace Summaries
> ----------------------------------------------------------------------------------
>
>                 Key: HDDS-5332
>                 URL: https://issues.apache.org/jira/browse/HDDS-5332
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Siyao Meng
>            Assignee: Yuan Gu
>            Priority: Major
>
> Table schema:
> {code}
> objectId --> class NSSummary
> {code}
> New class NSSummary should at least include these fields:
> 1. Total number of files *directly*[1] under this directory,
> 2. Total size of files directly under this directory,
> 3. File Size Buckets of files directly under this directory.
> Note: [1] *directly* means not counting files under any subdirectories, for now. We could further optimize the speed later by trading more writes (propagating the statistics any layers deep upwards) with speed.



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