guozhangwang commented on code in PR #12659:
URL: https://github.com/apache/kafka/pull/12659#discussion_r976844948


##########
streams/src/main/java/org/apache/kafka/streams/processor/internals/TaskManager.java:
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@@ -785,6 +787,22 @@ private void addTasksToStateUpdater() {
         }
     }
 
+    private void pauseTasksInStateUpdater() {
+        for (final Task task : stateUpdater.getUpdatingTasks()) {

Review Comment:
   Thanks @cadonna that aligns with my alternative idea. I was concerned if 
exposing the topology metadata inside state updater would be too intrusive, but 
maybe that's a better trade-off for perf.
   
   I will follow that route in this PR and complete test coverage then.



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