Swaminathan Balachandran created RATIS-2245:
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Summary: Ratis should wait for all apply transaction futures
before group remove
Key: RATIS-2245
URL: https://issues.apache.org/jira/browse/RATIS-2245
Project: Ratis
Issue Type: Improvement
Reporter: Swaminathan Balachandran
Assignee: Swaminathan Balachandran
On group removal the statemachine just waits for apply transactions that have
been applied on a single iteration. If there are no more transactions added
onto the state machine and all of the apply transaction future are still in
progress. The state machine ends up not waiting for the updater thread and ends
up calling the notifyGroupRemove function and deletes the raft group directory.
So this could lead to some node not being able to apply some of the
transactions still in flight in case of a restart.
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