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suneet-s · Aug 3, 2023 · 619f18e · 619f18e
1 parent f3ff440
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diff --git a/docs/operations/metrics.md b/docs/operations/metrics.md
@@ -336,9 +336,9 @@ These metrics are for the Druid Coordinator and are reset each time the Coordina
 
 ### Service Health
 
-|Metric|Description|Dimensions|Normal value|
-|------|-----------|----------|------------|
-| `service/heartbeat` | Metric indicating the service is up. `ServiceStatusMonitor` must be enabled. |`leader` on the Overlord and Coordinator.|1|
+|Metric|Description| Dimensions                                                                                                                                                                              |Normal value|
+|------|-----------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------|
+| `service/heartbeat` | Metric indicating the service is up. `ServiceStatusMonitor` must be enabled. | `leader` on the Overlord and Coordinator.<br />`workerVersion`, `workerCapacity`, `workerEnabled` on the Middle Manager.<br />`taskId`, `groupId`, `taskType`, `dataSource` on the Peon |1|
 
 ### Historical
 

diff --git a/services/src/main/java/org/apache/druid/cli/CliPeon.java b/services/src/main/java/org/apache/druid/cli/CliPeon.java
@@ -100,6 +100,7 @@
 import org.apache.druid.java.util.common.logger.Logger;
 import org.apache.druid.metadata.IndexerSQLMetadataStorageCoordinator;
 import org.apache.druid.metadata.input.InputSourceModule;
+import org.apache.druid.query.DruidMetrics;
 import org.apache.druid.query.QuerySegmentWalker;
 import org.apache.druid.query.lookup.LookupModule;
 import org.apache.druid.segment.handoff.CoordinatorBasedSegmentHandoffNotifierConfig;
@@ -272,10 +273,10 @@ public Supplier<Map<String, Object>> heartbeatDimensions(Task task)
           {
             return Suppliers.ofInstance(
                 ImmutableMap.of(
-                    "taskId", task.getId(),
-                    "dataSource", task.getDataSource(),
-                    "taskType", task.getType(),
-                    "groupId", task.getGroupId()
+                    DruidMetrics.TASK_ID, task.getId(),
+                    DruidMetrics.DATASOURCE, task.getDataSource(),
+                    DruidMetrics.TASK_TYPE, task.getType(),
+                    DruidMetrics.GROUP_ID, task.getGroupId()
                 )
             );
           }