HDFS-15530. RBF: Fix typo in DFS_ROUTER_QUOTA_CACHE_UPDATE_INTERVAL var definition. Contributed by Sha Fanghao.

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RBFConfigKeys.java

@@ -312,9 +312,9 @@ public class RBFConfigKeys extends CommonConfigurationKeysPublic {
   public static final String DFS_ROUTER_QUOTA_ENABLE =
       FEDERATION_ROUTER_PREFIX + "quota.enable";
   public static final boolean DFS_ROUTER_QUOTA_ENABLED_DEFAULT = false;
-  public static final String DFS_ROUTER_QUOTA_CACHE_UPATE_INTERVAL =
+  public static final String DFS_ROUTER_QUOTA_CACHE_UPDATE_INTERVAL =
       FEDERATION_ROUTER_PREFIX + "quota-cache.update.interval";
-  public static final long DFS_ROUTER_QUOTA_CACHE_UPATE_INTERVAL_DEFAULT =
+  public static final long DFS_ROUTER_QUOTA_CACHE_UPDATE_INTERVAL_DEFAULT =
       60000;
 
   // HDFS Router security

hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterQuotaUpdateService.java

@@ -70,8 +70,8 @@ public class RouterQuotaUpdateService extends PeriodicService {
   @Override
   protected void serviceInit(Configuration conf) throws Exception {
     this.setIntervalMs(conf.getTimeDuration(
-        RBFConfigKeys.DFS_ROUTER_QUOTA_CACHE_UPATE_INTERVAL,
-        RBFConfigKeys.DFS_ROUTER_QUOTA_CACHE_UPATE_INTERVAL_DEFAULT,
+        RBFConfigKeys.DFS_ROUTER_QUOTA_CACHE_UPDATE_INTERVAL,
+        RBFConfigKeys.DFS_ROUTER_QUOTA_CACHE_UPDATE_INTERVAL_DEFAULT,
         TimeUnit.MILLISECONDS));
 
     super.serviceInit(conf);

hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterQuota.java

@@ -99,7 +99,7 @@ public class TestRouterQuota {
         .quota()
         .rpc()
         .build();
-    routerConf.set(RBFConfigKeys.DFS_ROUTER_QUOTA_CACHE_UPATE_INTERVAL, "2s");
+    routerConf.set(RBFConfigKeys.DFS_ROUTER_QUOTA_CACHE_UPDATE_INTERVAL, "2s");
 
     // override some hdfs settings that used in testing space quota
     Configuration hdfsConf = new Configuration(false);