diff --git a/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsConstants.scala b/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsConstants.scala
index a2c9afd0f..c0ada08ba 100644
--- a/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsConstants.scala
+++ b/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsConstants.scala
@@ -21,6 +21,12 @@ object MetricsConstants {
 
   final private val KYUUBI = "kyuubi."
 
+  final val GC_METRIC: String = KYUUBI + "gc"
+  final val MEMORY_USAGE: String = KYUUBI + "memory_usage"
+  final val BUFFER_POOL: String = KYUUBI + "buffer_pool"
+  final val THREAD_STATE: String = KYUUBI + "thread_state"
+  final val CLASS_LOADING: String = KYUUBI + "class_loading"
+
   final val EXEC_POOL_ALIVE: String = KYUUBI + "exec.pool.threads.alive"
   final val EXEC_POOL_ACTIVE: String = KYUUBI + "exec.pool.threads.active"
 
diff --git a/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsSystem.scala b/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsSystem.scala
index 389dba08c..3622ff8d7 100644
--- a/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsSystem.scala
+++ b/kyuubi-metrics/src/main/scala/org/apache/kyuubi/metrics/MetricsSystem.scala
@@ -67,10 +67,13 @@ class MetricsSystem extends CompositeService("MetricsSystem") {
   }
 
   override def initialize(conf: KyuubiConf): Unit = synchronized {
-    registry.registerAll(new GarbageCollectorMetricSet)
-    registry.registerAll(new MemoryUsageGaugeSet)
-    registry.registerAll(new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer))
-    registry.registerAll(new ThreadStatesGaugeSet)
+    registry.registerAll(MetricsConstants.GC_METRIC, new GarbageCollectorMetricSet)
+    registry.registerAll(MetricsConstants.MEMORY_USAGE, new MemoryUsageGaugeSet)
+    registry.registerAll(
+      MetricsConstants.BUFFER_POOL,
+      new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer))
+    registry.registerAll(MetricsConstants.THREAD_STATE, new ThreadStatesGaugeSet)
+    registry.registerAll(MetricsConstants.CLASS_LOADING, new ClassLoadingGaugeSet)
 
     conf.get(METRICS_REPORTERS).map(ReporterType.withName).foreach {
       case JSON => addService(new JsonReporterService(registry))