vamossagar12 commented on code in PR #13453:
URL: https://github.com/apache/kafka/pull/13453#discussion_r1199554121
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connect/runtime/src/main/java/org/apache/kafka/connect/storage/KafkaStatusBackingStore.java:
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@@ -608,6 +608,20 @@ private void readTaskStatus(String key, byte[] value) {
synchronized (this) {
log.trace("Received task {} status update {}", id, status);
CacheEntry<TaskStatus> entry = getOrAdd(id);
+
+ // During frequent rebalances, there could be a race condition
because of which
+ // an UNASSIGNED state of a prior generation can be sent by a
worker despite a
+ // RUNNING status in a newer generation by another worker because
the first worker
+ // couldn't read the newer RUNNING status. This can lead to an
inaccurate status
+ // representation even though the task might be actually running.
+ if (status.state() == ConnectorStatus.State.UNASSIGNED
Review Comment:
Thats'a good catch @Lucent-Wong . Since both extend from `AbstractStatus` I
didn't realise I was using `ConnectorStatus`. I changed it.
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