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Posted to hdfs-dev@hadoop.apache.org by "Nanda kumar (JIRA)" <ji...@apache.org> on 2017/10/26 19:34:00 UTC

[jira] [Created] (HDFS-12721) Ozone: Ratis: Moving Ratis pipeline creation to client

Nanda kumar created HDFS-12721:
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             Summary: Ozone: Ratis: Moving Ratis pipeline creation to client
                 Key: HDFS-12721
                 URL: https://issues.apache.org/jira/browse/HDFS-12721
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
            Reporter: Nanda kumar


Currently after the allocation of pipeline SCM also creates the pipeline using {{XceiverClientRatis}}. Creation of pipeline has to be moved to the client from SCM. This is because the communication between Datanode and SCM happens only through heartbeat (and container report), Datanode sends heartbeat to SCM and SCM sends commands to Datanode through heartbeat response.



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