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Posted to hdfs-dev@hadoop.apache.org by "Hanisha Koneru (JIRA)" <ji...@apache.org> on 2018/10/10 21:31:00 UTC

[jira] [Created] (HDDS-618) Separate DN registration from Heartbeat

Hanisha Koneru created HDDS-618:
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             Summary: Separate DN registration from Heartbeat
                 Key: HDDS-618
                 URL: https://issues.apache.org/jira/browse/HDDS-618
             Project: Hadoop Distributed Data Store
          Issue Type: Improvement
            Reporter: Hanisha Koneru


Currently, if SCM has to send ReRegister command to a DN, it can only do so through heartbeat response. Due to this, DN reregistration can take upto 2 heartbeat intervals. 

We should decouple registration requests from heartbeat, so that DN can reregister as soon as SCM detects that the node is not registered.



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