Mike Percy created KUDU-1721:
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Summary: Expose ability to force an unsafe Raft configuration
change
Key: KUDU-1721
URL: https://issues.apache.org/jira/browse/KUDU-1721
Project: Kudu
Issue Type: Bug
Components: consensus
Reporter: Mike Percy
Add the ability to force an “unsafe” configuration change via RPC to the
leader. Instead of specifying AddServer() or RemoveServer(), which enforce
one-by-one configuration changes due to their inherent contract, we could
specify an unsafe configuration change API for administrative / emergency cases
only that the leader would process without going through the normal "one by
one" safety checks required by the Raft dissertation config change protocol.
The leader should still reject configuration changes in which is it not a
member of the requested new configuration.
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