remove unused import.

hfutatzhanghb · hfutatzhanghb · commit bda637688a90 · 2025-03-17T16:39:22.000+08:00
diff --git a/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/fairness/RouterAsyncRpcFairnessPolicyController.java b/hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/fairness/RouterAsyncRpcFairnessPolicyController.java
@@ -24,7 +24,6 @@
 import org.slf4j.LoggerFactory;
 
 import java.util.Set;
-import java.util.concurrent.TimeUnit;
 
 import static org.apache.hadoop.hdfs.server.federation.fairness.RouterRpcFairnessConstants.CONCURRENT_NS;
 import static org.apache.hadoop.hdfs.server.federation.router.RBFConfigKeys.
