cmccabe commented on code in PR #19454:
URL: https://github.com/apache/kafka/pull/19454#discussion_r2040427593
##########
metadata/src/main/java/org/apache/kafka/controller/ClusterControlManager.java:
##########
@@ -309,8 +309,10 @@ public void activate() {
long nowNs = time.nanoseconds();
for (BrokerRegistration registration : brokerRegistrations.values()) {
heartbeatManager.register(registration.id(),
registration.fenced());
- heartbeatManager.tracker().updateContactTime(
- new BrokerIdAndEpoch(registration.id(), registration.epoch()),
nowNs);
+ if (!registration.fenced()) {
+ heartbeatManager.tracker().updateContactTime(
Review Comment:
The challenge is that even if we remove the session after controlled
shutdown, the broker may send a heartbeat after that removal re-adding the
session. There is a race condition, essentially.
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