Weiwei Yang created HDFS-12195:
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             Summary: Ozone: DeleteKey-1: KSM replies delete key request 
asynchronously
                 Key: HDFS-12195
                 URL: https://issues.apache.org/jira/browse/HDFS-12195
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
    Affects Versions: HDFS-7240
            Reporter: Weiwei Yang
            Assignee: Yuanbo Liu


We will implement delete key in ozone in multiple child tasks, this is 1 of the 
child task to implement client to scm communication. We need to do it in async 
manner, once key state is changed in ksm metadata, ksm is ready to reply client 
with a successful message. Actual deletes on other layers will happen some time 
later.



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