Weiwei Yang reassigned HDFS-12235:

    Assignee: Yuanbo Liu  (was: Weiwei Yang)

> Ozone: DeleteKey-3: KSM SCM block deletion message and ACK interactions
> -----------------------------------------------------------------------
>                 Key: HDFS-12235
>                 URL: https://issues.apache.org/jira/browse/HDFS-12235
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Weiwei Yang
>            Assignee: Yuanbo Liu
> KSM and SCM interaction for delete key operation, both KSM and SCM stores key 
> state info in a backlog, KSM needs to scan this log and send block-deletion 
> command to SCM, once SCM is fully aware of the message, KSM removes the key 
> completely from namespace. See more from the design doc under HDFS-11922, 
> this is task break down 2.

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