showuon commented on code in PR #14832:
URL: https://github.com/apache/kafka/pull/14832#discussion_r1407418714
##########
core/src/main/scala/kafka/server/KafkaRequestHandler.scala:
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@@ -283,8 +283,39 @@ class BrokerTopicMetrics(name: Option[String], configOpt:
java.util.Optional[Kaf
meter()
}
+ case class GaugeWrapper(metricType: String, brokerTopicAggregatedMetric:
BrokerTopicAggregatedMetric) {
+ @volatile private var lazyGauge: Gauge[Long] = _
+ private val gaugeLock = new Object
+
+ def gauge(): Gauge[Long] = {
Review Comment:
When do we initialize the gauge for topic with tags?
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