Janus Chow created HDDS-6728:
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Summary: SCM UI not showing correct HA roles
Key: HDDS-6728
URL: https://issues.apache.org/jira/browse/HDDS-6728
Project: Apache Ozone
Issue Type: Bug
Reporter: Janus Chow
Assignee: Janus Chow
The current logic to decide the LEADER of SCM is to check if the RaftPeer is
local,
[https://github.com/apache/ozone/blob/master/hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/ha/SCMRatisServerImpl.java#L268]
I assuem this is because the "scm roles" requests are forwarded to the LEADER
SCM, so the invoker is always the leader, thus "isLocal" is used to decide
which SCM is LEADER.
But in SCM UI, the "SCM HA (roles)" information are retrived by invoking
"getRatisRoles" by each SCM, not forwarded to the LEADER SCM, thus each SCM
will consider itself as the LEADER in UI.
This ticket is to fix this issue.
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