1 files changed, 2 insertions, 6 deletions
diff --git a/common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java b/common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java
index 6e02430a8e..6daf9609d7 100644
--- a/common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java
+++ b/common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockHandler.java
@@ -190,12 +190,8 @@ public class ExternalShuffleBlockHandler extends RpcHandler {
       allMetrics.put("openBlockRequestLatencyMillis", openBlockRequestLatencyMillis);
       allMetrics.put("registerExecutorRequestLatencyMillis", registerExecutorRequestLatencyMillis);
       allMetrics.put("blockTransferRateBytes", blockTransferRateBytes);
-      allMetrics.put("registeredExecutorsSize", new Gauge<Integer>() {
-        @Override
-        public Integer getValue() {
-          return blockManager.getRegisteredExecutorsSize();
-        }
-      });
+      allMetrics.put("registeredExecutorsSize",
+                     (Gauge<Integer>) () -> blockManager.getRegisteredExecutorsSize());
     }
 
     @Override