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Posted to hdfs-dev@hadoop.apache.org by "Mukul Kumar Singh (JIRA)" <ji...@apache.org> on 2019/05/19 07:32:00 UTC

[jira] [Created] (HDDS-1556) SCM should update leader information of a pipeline from pipeline report

Mukul Kumar Singh created HDDS-1556:
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             Summary: SCM should update leader information of a pipeline from pipeline report
                 Key: HDDS-1556
                 URL: https://issues.apache.org/jira/browse/HDDS-1556
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
          Components: SCM
    Affects Versions: 0.4.0
            Reporter: Mukul Kumar Singh


SCM currently hands out nodes in a static order which has no information about the leader of the ring.  SCM should learn about the leader in either of the following 2 ways.

a) Ratis should add a callback to statemachine, which inturn notifies SCM of the state change.
b) SCM periodically updates this information from the heartbeat.



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