kirktrue commented on code in PR #20521:
URL: https://github.com/apache/kafka/pull/20521#discussion_r2418088765
##########
clients/src/main/java/org/apache/kafka/clients/consumer/internals/events/ApplicationEventProcessor.java:
##########
@@ -217,35 +235,109 @@ public void process(ApplicationEvent event) {
}
}
- private void process(final PollEvent event) {
- // Trigger a reconciliation that can safely commit offsets if needed
to rebalance,
- // as we're processing before any new fetching starts in the app thread
-
requestManagers.consumerMembershipManager.ifPresent(consumerMembershipManager ->
- consumerMembershipManager.maybeReconcile(true));
- if (requestManagers.commitRequestManager.isPresent()) {
- CommitRequestManager commitRequestManager =
requestManagers.commitRequestManager.get();
- commitRequestManager.updateTimerAndMaybeCommit(event.pollTimeMs());
- // all commit request generation points have been passed,
- // so it's safe to notify the app thread could proceed and start
fetching
- event.markReconcileAndAutoCommitComplete();
- requestManagers.consumerHeartbeatRequestManager.ifPresent(hrm -> {
- hrm.membershipManager().onConsumerPoll();
- hrm.resetPollTimer(event.pollTimeMs());
- });
- requestManagers.streamsGroupHeartbeatRequestManager.ifPresent(hrm
-> {
- hrm.membershipManager().onConsumerPoll();
- hrm.resetPollTimer(event.pollTimeMs());
- });
- } else {
- // safe to unblock - no auto-commit risk here:
- // 1. commitRequestManager is not present
- // 2. shareConsumer has no auto-commit mechanism
- event.markReconcileAndAutoCommitComplete();
- requestManagers.shareHeartbeatRequestManager.ifPresent(hrm -> {
- hrm.membershipManager().onConsumerPoll();
- hrm.resetPollTimer(event.pollTimeMs());
+ private void process(final CompositePollEvent event) {
+ if (maybeFailCompositePoll(event) || maybePauseCompositePoll(event,
ApplicationEvent.Type.POLL))
+ return;
+
+ ApplicationEvent.Type nextEventType = event.nextEventType();
+
+ if (nextEventType == ApplicationEvent.Type.POLL) {
+ log.debug("Processing {} logic for {}", nextEventType, event);
+ processPollEvent(event.pollTimeMs());
+ nextEventType = ApplicationEvent.Type.UPDATE_SUBSCRIPTION_METADATA;
+
+ if (maybeFailCompositePoll(event) ||
maybePauseCompositePoll(event, nextEventType))
+ return;
+ }
+
+ if (nextEventType ==
ApplicationEvent.Type.UPDATE_SUBSCRIPTION_METADATA) {
+ log.debug("Processing {} logic for {}", nextEventType, event);
+ processUpdatePatternSubscriptionEvent();
+ nextEventType = ApplicationEvent.Type.CHECK_AND_UPDATE_POSITIONS;
+
+ if (maybeFailCompositePoll(event) ||
maybePauseCompositePoll(event, nextEventType))
+ return;
+ }
Review Comment:
I made some changes in this area. Let me know if this comment thread can be
marked as resolved.
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