ableegoldman commented on a change in pull request #11959:
URL: https://github.com/apache/kafka/pull/11959#discussion_r838111680



##########
File path: 
streams/src/test/java/org/apache/kafka/streams/integration/AdjustStreamThreadCountTest.java
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@@ -466,64 +468,9 @@ public void close() {
                 waitForTransitionFromRebalancingToRunning();
 
                 for (final String log : appender.getMessages()) {
-                    // after we replace the thread there should be two 
remaining threads with 5 bytes each
-                    if (log.endsWith("Adding StreamThread-3, there are now 3 
threads with cache size/max buffer size values as 3/178956970 per thread.")) {

Review comment:
       Apparently there was already a test for the cache being sized correctly 
after a thread replacement/addition,  I'm guessing this was updated with the 
incorrect values in the PR that introduced the off by one bug -- probably 
should have been a red flag if the value of the cache size changed here, not to 
mention the comment above which explicitly mentions it should be 5 bytes per 
thread 🙂 




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