runzhiwang created RATIS-1247:
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Summary: Support rolling upgrade and rollback
Key: RATIS-1247
URL: https://issues.apache.org/jira/browse/RATIS-1247
Project: Ratis
Issue Type: Sub-task
Reporter: runzhiwang
Assignee: runzhiwang-- This message was sent by Atlassian Jira (v8.3.4#803005)
