chia7712 commented on code in PR #16023:
URL: https://github.com/apache/kafka/pull/16023#discussion_r1608736058


##########
core/src/main/scala/kafka/log/LogCleaner.scala:
##########
@@ -109,12 +110,12 @@ class LogCleaner(initialConfig: CleanerConfig,
   private[log] val cleanerManager = new LogCleanerManager(logDirs, logs, 
logDirFailureChannel)
 
   /* a throttle used to limit the I/O of all the cleaner threads to a 
user-specified maximum rate */
-  private[log] val throttler = new Throttler(desiredRatePerSec = 
config.maxIoBytesPerSecond,
-                                        checkIntervalMs = 300,
-                                        throttleDown = true,
-                                        "cleaner-io",
-                                        "bytes",
-                                        time = time)
+  private[log] val throttler = new Throttler(config.maxIoBytesPerSecond,
+                                             300,
+                                             true,

Review Comment:
   It seems `throttleDown` is always true in production. Maybe we can remove 
it? 



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