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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12235) Ozone: DeleteKey-3: KSM SCM block deletion message and ACK interactions
Date Tue, 01 Aug 2017 06:36:00 GMT
Weiwei Yang created HDFS-12235:
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             Summary: 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: Weiwei Yang


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.



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