dajac commented on code in PR #16144:
URL: https://github.com/apache/kafka/pull/16144#discussion_r1621959369
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/runtime/EventAccumulator.java:
##########
@@ -162,43 +163,21 @@ public void addFirst(T event) throws
RejectedExecutionException {
}
/**
- * Returns the next {{@link Event}} available or null if no event is
- * available.
+ * Returns the next {{@link Event}} available. This method blocks for the
provided
+ * time and returns null of not event is available.
Review Comment:
nit: `if no event is...`
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/runtime/MultiThreadedEventProcessor.java:
##########
@@ -151,8 +157,8 @@ private void handleEvents() {
}
private void drainEvents() {
- CoordinatorEvent event;
- while ((event = accumulator.poll()) != null) {
+ CoordinatorEvent event = accumulator.poll(0,
TimeUnit.MILLISECONDS);
+ while (event != null) {
Review Comment:
nit: Should we keep the previous way?
##########
group-coordinator/src/main/java/org/apache/kafka/coordinator/group/runtime/MultiThreadedEventProcessor.java:
##########
@@ -34,6 +35,11 @@
*/
public class MultiThreadedEventProcessor implements CoordinatorEventProcessor {
+ /**
+ * The poll timeout to wait for an event by the EventProcessorThread.
+ */
+ public static final long POLL_TIMEOUT_MS = 300L;
Review Comment:
Should it be private?
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