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HDFS-16748. RBF: DFSClient should uniquely identify writing files by …
…namespace id and iNodeId via RBF (#4813). Contributed by ZanderXu. Reviewed-by: He Xiaoqiao <hexiaoqiao@apache.org> Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>
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...t/java/org/apache/hadoop/hdfs/server/federation/router/TestRenewLeaseWithSameINodeId.java
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| /** | ||
| * 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; | ||
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| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FSDataOutputStream; | ||
| import org.apache.hadoop.fs.Path; | ||
| import org.apache.hadoop.hdfs.DistributedFileSystem; | ||
| import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; | ||
| import org.apache.hadoop.hdfs.server.federation.MiniRouterDFSCluster; | ||
| import org.apache.hadoop.hdfs.server.federation.MockResolver; | ||
| import org.apache.hadoop.hdfs.server.federation.RouterConfigBuilder; | ||
| import org.junit.AfterClass; | ||
| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
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| import java.io.IOException; | ||
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| import static org.junit.Assert.assertEquals; | ||
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| /** | ||
| * Testing DFSClient renewLease with same INodeId. | ||
| */ | ||
| public class TestRenewLeaseWithSameINodeId { | ||
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| /** Federated HDFS cluster. */ | ||
| private static MiniRouterDFSCluster cluster; | ||
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| /** The first Router Context for this federated cluster. */ | ||
| private static MiniRouterDFSCluster.RouterContext routerContext; | ||
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| @BeforeClass | ||
| public static void globalSetUp() throws Exception { | ||
| cluster = new MiniRouterDFSCluster(false, 2); | ||
| cluster.setNumDatanodesPerNameservice(3); | ||
| cluster.startCluster(); | ||
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| Configuration routerConf = new RouterConfigBuilder() | ||
| .metrics() | ||
| .rpc() | ||
| .quota() | ||
| .build(); | ||
| cluster.addRouterOverrides(routerConf); | ||
| cluster.startRouters(); | ||
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| // Register and verify all NNs with all routers | ||
| cluster.registerNamenodes(); | ||
| cluster.waitNamenodeRegistration(); | ||
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| routerContext = cluster.getRouters().get(0); | ||
| } | ||
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| @AfterClass | ||
| public static void tearDown() throws Exception { | ||
| cluster.shutdown(); | ||
| } | ||
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| /** | ||
| * Testing case: | ||
| * 1. One Router DFSClient writing multi files from different namespace with same iNodeId. | ||
| * 2. DFSClient Lease Renewer should work well. | ||
| */ | ||
| @Test | ||
| public void testRenewLeaseWithSameINodeId() throws IOException { | ||
| // Add mount point "/ns0" and "/ns1" | ||
| Router router = cluster.getRouters().get(0).getRouter(); | ||
| MockResolver resolver = (MockResolver) router.getSubclusterResolver(); | ||
| resolver.addLocation("/ns0", cluster.getNameservices().get(0), "/ns0"); | ||
| resolver.addLocation("/ns1", cluster.getNameservices().get(1), "/ns1"); | ||
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| DistributedFileSystem fs = (DistributedFileSystem) routerContext.getFileSystem(); | ||
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| Path path1 = new Path("/ns0/file"); | ||
| Path path2 = new Path("/ns1/file"); | ||
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| try (FSDataOutputStream ignored1 = fs.create(path1); | ||
| FSDataOutputStream ignored2 = fs.create(path2)) { | ||
| HdfsFileStatus fileStatus1 = fs.getClient().getFileInfo(path1.toUri().getPath()); | ||
| HdfsFileStatus fileStatus2 = fs.getClient().getFileInfo(path2.toUri().getPath()); | ||
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| // The fileId of the files from different new namespaces should be same. | ||
| assertEquals(fileStatus2.getFileId(), fileStatus1.getFileId()); | ||
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| // The number of fileBeingWritten of this DFSClient should be two. | ||
| assertEquals(2, fs.getClient().getNumOfFilesBeingWritten()); | ||
| } | ||
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| // The number of fileBeingWritten of this DFSClient should be zero. | ||
| assertEquals(0, fs.getClient().getNumOfFilesBeingWritten()); | ||
| } | ||
| } |
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