cmccabe commented on code in PR #15695:
URL: https://github.com/apache/kafka/pull/15695#discussion_r1560168052
##########
core/src/main/scala/kafka/server/KafkaServer.scala:
##########
@@ -657,15 +657,19 @@ class KafkaServer(
}
private def createCurrentControllerIdMetric(): Unit = {
-
KafkaYammerMetrics.defaultRegistry().newGauge(MetadataLoaderMetrics.CURRENT_CONTROLLER_ID,
() => {
- Option(metadataCache) match {
- case None => -1
- case Some(cache) => cache.getControllerId match {
Review Comment:
It should be OK in hybrid mode since we are still updating the znode in
hybrid mode. And this comes from there directly.
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