kamalcph commented on code in PR #15820:
URL: https://github.com/apache/kafka/pull/15820#discussion_r1625304008


##########
core/src/main/java/kafka/log/remote/RemoteLogManager.java:
##########
@@ -738,6 +750,23 @@ public void copyLogSegmentsToRemote(UnifiedLog log) throws 
InterruptedException
                                         isCancelled(), isLeader());
                                 return;
                             }
+
+                            copyQuotaManagerLock.lock();
+                            try {
+                                while (rlmCopyQuotaManager.isQuotaExceeded()) {

Review Comment:
   One drawback of the current approach is that the thread-pool will be shown 
as all "busy" in the metrics when the threads are waiting for the quota to be 
available. It can raise false alarms if user configures an 100% thread-pool 
usage alert. We can mention about the behavior in the docs section.
   



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