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https://issues.apache.org/jira/browse/HDFS-17733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17930185#comment-17930185
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ASF GitHub Bot commented on HDFS-17733:
---------------------------------------
hfutatzhanghb commented on code in PR #7415:
URL: https://github.com/apache/hadoop/pull/7415#discussion_r1969292559
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/async/TestRouterAsyncRPCMultipleDestinationMountTableResolver.java:
##########
@@ -0,0 +1,152 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.hadoop.hdfs.server.federation.router.async;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FsServerDefaults;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.hdfs.DFSConfigKeys;
+import org.apache.hadoop.hdfs.DistributedFileSystem;
+import org.apache.hadoop.hdfs.MiniDFSCluster;
+import org.apache.hadoop.hdfs.server.federation.RouterConfigBuilder;
+import org.apache.hadoop.hdfs.server.federation.StateStoreDFSCluster;
+import org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver;
+import
org.apache.hadoop.hdfs.server.federation.resolver.MultipleDestinationMountTableResolver;
+import
org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
+import org.apache.hadoop.hdfs.server.federation.router.RemoteMethod;
+import org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol;
+import org.apache.hadoop.hdfs.server.federation.router.RouterQuotaUsage;
+import
org.apache.hadoop.hdfs.server.federation.router.TestRouterRPCMultipleDestinationMountTableResolver;
+import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import static
org.apache.hadoop.hdfs.server.federation.router.RBFConfigKeys.DFS_ROUTER_ASYNC_RPC_ENABLE_KEY;
+import static
org.apache.hadoop.hdfs.server.federation.router.async.utils.AsyncUtil.syncReturn;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+/**
+ * Tests router async rpc with multiple destination mount table resolver.
+ */
+public class TestRouterAsyncRPCMultipleDestinationMountTableResolver extends
+ TestRouterRPCMultipleDestinationMountTableResolver {
+
+ @BeforeClass
+ public static void setUp() throws Exception {
+
+ // Build and start a federated cluster
+ cluster = new StateStoreDFSCluster(false, 3,
Review Comment:
@Hexiaoqiao Sir, we can not init only 2 nameservices here, because some
unit tests in parent class may need nnFs2 which is the third nameservice. So,
we'd better use 3 here. Thanks.
> [ARR] Optimize isMultiDestDirectory method using AsyncUtil class
> ----------------------------------------------------------------
>
> Key: HDFS-17733
> URL: https://issues.apache.org/jira/browse/HDFS-17733
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: rbf
> Reporter: farmmamba
> Assignee: farmmamba
> Priority: Major
> Labels: pull-request-available
>
> Optimize isMultiDestDirectory method using AsyncUtil class.
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