ableegoldman commented on a change in pull request #9695:
URL: https://github.com/apache/kafka/pull/9695#discussion_r553078581



##########
File path: streams/src/main/java/org/apache/kafka/streams/KafkaStreams.java
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@@ -992,7 +992,7 @@ private StreamThread createStreamThread(final long 
cacheSizePerThread, final int
         if (isRunningOrRebalancing()) {
             synchronized (changeThreadCount) {
                 for (final StreamThread streamThread : threads) {
-                    if (streamThread.isAlive()) {
+                    if (streamThread.isAlive() && 
(!streamThread.getName().equals(Thread.currentThread().getName()) || 
threads.size() == 1)) {

Review comment:
       Then why check `isAlive()` here at all? (I'm not necessarily requesting 
changes here, just trying to understand)




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