| /** |
| * 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.datanode.fsdataset.impl; |
| |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.protocol.HdfsConstants; |
| import org.apache.hadoop.hdfs.protocol.HdfsFileStatus; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| |
| import static org.hamcrest.core.Is.is; |
| import static org.hamcrest.core.IsNot.not; |
| import static org.junit.Assert.assertThat; |
| |
| |
| public class TestLazyPersistPolicy extends LazyPersistTestCase { |
| @Test |
| public void testPolicyNotSetByDefault() throws IOException { |
| getClusterBuilder().build(); |
| final String METHOD_NAME = GenericTestUtils.getMethodName(); |
| Path path = new Path("/" + METHOD_NAME + ".dat"); |
| |
| makeTestFile(path, 0, false); |
| // Stat the file and check that the LAZY_PERSIST policy is not |
| // returned back. |
| HdfsFileStatus status = client.getFileInfo(path.toString()); |
| assertThat(status.getStoragePolicy(), not(LAZY_PERSIST_POLICY_ID)); |
| } |
| |
| @Test |
| public void testPolicyPropagation() throws IOException { |
| getClusterBuilder().build(); |
| final String METHOD_NAME = GenericTestUtils.getMethodName(); |
| Path path = new Path("/" + METHOD_NAME + ".dat"); |
| |
| makeTestFile(path, 0, true); |
| // Stat the file and check that the lazyPersist flag is returned back. |
| HdfsFileStatus status = client.getFileInfo(path.toString()); |
| assertThat(status.getStoragePolicy(), is(LAZY_PERSIST_POLICY_ID)); |
| } |
| |
| @Test |
| public void testPolicyPersistenceInEditLog() throws IOException { |
| getClusterBuilder().build(); |
| final String METHOD_NAME = GenericTestUtils.getMethodName(); |
| Path path = new Path("/" + METHOD_NAME + ".dat"); |
| |
| makeTestFile(path, 0, true); |
| cluster.restartNameNode(true); |
| |
| // Stat the file and check that the lazyPersist flag is returned back. |
| HdfsFileStatus status = client.getFileInfo(path.toString()); |
| assertThat(status.getStoragePolicy(), is(LAZY_PERSIST_POLICY_ID)); |
| } |
| |
| @Test |
| public void testPolicyPersistenceInFsImage() throws IOException { |
| getClusterBuilder().build(); |
| final String METHOD_NAME = GenericTestUtils.getMethodName(); |
| Path path = new Path("/" + METHOD_NAME + ".dat"); |
| |
| makeTestFile(path, 0, true); |
| // checkpoint |
| fs.setSafeMode(HdfsConstants.SafeModeAction.SAFEMODE_ENTER); |
| fs.saveNamespace(); |
| fs.setSafeMode(HdfsConstants.SafeModeAction.SAFEMODE_LEAVE); |
| cluster.restartNameNode(true); |
| |
| // Stat the file and check that the lazyPersist flag is returned back. |
| HdfsFileStatus status = client.getFileInfo(path.toString()); |
| assertThat(status.getStoragePolicy(), is(LAZY_PERSIST_POLICY_ID)); |
| } |
| } |