update:

Author: drempapis

server/src/main/java/org/elasticsearch/common/util/concurrent/TaskExecutionTimeTrackingPerIndexEsThreadPoolExecutor.java

@@ -119,7 +119,7 @@ protected void trackExecutionTime(Runnable r, long taskTime) {
         }
     }
 
-    //TODO Remove these methods once the NodeConstruction#searchLoadMetricsReporter is deleted
+    // TODO Remove these methods once the NodeConstruction#searchLoadMetricsReporter is deleted
     /**
      * Gets the map of index execution times.
      *

server/src/main/java/org/elasticsearch/node/NodeConstruction.java

@@ -707,7 +707,7 @@ private void construct(
 
         var executor = (TaskExecutionTimeTrackingPerIndexEsThreadPoolExecutor) threadPool.executor(ThreadPool.Names.SEARCH);
         clusterService.addListener(new SearchIndexTimeTrackingCleanupService(executor));
-        searchLoadMetricsReporter(executor);
+        if(logger.isDebugEnabled()) searchLoadMetricsReporter(executor);
 
         modules.bindToInstance(DocumentParsingProvider.class, documentParsingProvider);
 
@@ -1279,7 +1279,6 @@ public void run() {
             }
         };
 
-
         timer.scheduleAtFixedRate(task, 0, 4000);
     }