[GitHub] [kafka] vamossagar12 commented on a diff in pull request #12561: KAFKA-12495: Exponential backoff retry to prevent rebalance storms when worker joins after revoking rebalance

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vamossagar12 commented on code in PR #12561:
URL: https://github.com/apache/kafka/pull/12561#discussion_r967271849


##########
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/IncrementalCooperativeAssignor.java:
##########
@@ -285,18 +292,13 @@ ClusterAssignment performTaskAssignment(
 
         handleLostAssignments(lostAssignments, newSubmissions, 
completeWorkerAssignment);
 
+        if (delay > 0) {
+            log.debug("Delaying {}ms for revoking tasks.", delay);
+        }
         // Do not revoke resources for re-assignment while a delayed rebalance 
is active
-        // Also we do not revoke in two consecutive rebalances by the same 
leader
-        canRevoke = delay == 0 && canRevoke;
-
-        // Compute the connectors-and-tasks to be revoked for load balancing 
without taking into
-        // account the deleted ones.
-        log.debug("Can leader revoke tasks in this assignment? {} (delay: 
{})", canRevoke, delay);
-        if (canRevoke) {
+        if (delay == 0) {
             Map<String, ConnectorsAndTasks> toExplicitlyRevoke =
-                    performTaskRevocation(activeAssignments, 
currentWorkerAssignment);
-
-            log.debug("Connector and task to revoke assignments: {}", 
toRevoke);
+                    performTaskRevocation(configured, 
completeWorkerAssignment);

Review Comment:
   Thanks @showuon I reverted it back.



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