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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12000) Ozone: Container : Add key versioning support
Date Fri, 07 Jul 2017 17:16:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16078405#comment-16078405
] 

Weiwei Yang commented on HDFS-12000:
------------------------------------

Hi [~msingh], both are very good points, I agree. I think we will need to think about how
to implement a thread safe library to generate unique version ID. For the info key, the number
of key versions is the number of the key info entries. Thank you.

> Ozone: Container : Add key versioning support
> ---------------------------------------------
>
>                 Key: HDFS-12000
>                 URL: https://issues.apache.org/jira/browse/HDFS-12000
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Anu Engineer
>            Assignee: Chen Liang
>
> The rest interface of ozone supports versioning of keys. This support comes from the
containers and how chunks are managed to support this feature. This JIRA tracks that feature.
Will post a detailed design doc so that we can talk about this feature.



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