CoordinatorRuleManager didn't have a race condition prior to #6898, actually, because the ConcurrentHashMap is never modified after assigning into AtomicReference. So the proper fix was (and the proper action now is) to replace ConcurrentHashMap with simple HashMap.
CoordinatorRuleManagerdidn't have a race condition prior to #6898, actually, because theConcurrentHashMapis never modified after assigning intoAtomicReference. So the proper fix was (and the proper action now is) to replace ConcurrentHashMap with simple HashMap.