m1a2st commented on code in PR #18196:
URL: https://github.com/apache/kafka/pull/18196#discussion_r1896774619
##########
core/src/main/scala/kafka/server/metadata/DynamicClientQuotaPublisher.scala:
##########
@@ -48,6 +51,11 @@ class DynamicClientQuotaPublisher(
): Unit = {
val deltaName = s"MetadataDelta up to
${newImage.highestOffsetAndEpoch().offset}"
try {
+ val clientQuotaCallback =
conf.getConfiguredInstance(QuotaConfig.CLIENT_QUOTA_CALLBACK_CLASS_CONFIG,
classOf[ClientQuotaCallback])
+ if (clientQuotaCallback != null) {
Review Comment:
Hmm, user should set this config in the server, it will have the not null
value, user also can extend the `DefaultQuotaCallback` and override the method,
make sense?
https://github.com/apache/kafka/blob/5a4590c02016faeea3adeadb0d53e4388a558096/server-common/src/main/java/org/apache/kafka/server/config/QuotaConfig.java#L117
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