| /** |
| * 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; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| |
| import java.io.File; |
| |
| import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys; |
| import org.apache.hadoop.net.unix.DomainSocket; |
| import org.apache.hadoop.net.unix.TemporarySocketDirectory; |
| import org.junit.AfterClass; |
| import org.junit.Assume; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| |
| /** |
| * This class tests short-circuit local reads without any FileInputStream or |
| * Socket caching. This is a regression test for HDFS-4417. |
| */ |
| public class TestParallelShortCircuitReadUnCached extends TestParallelReadUtil { |
| private static TemporarySocketDirectory sockDir; |
| |
| @BeforeClass |
| static public void setupCluster() throws Exception { |
| if (DomainSocket.getLoadingFailureReason() != null) return; |
| sockDir = new TemporarySocketDirectory(); |
| HdfsConfiguration conf = new HdfsConfiguration(); |
| conf.set(DFSConfigKeys.DFS_DOMAIN_SOCKET_PATH_KEY, |
| new File(sockDir.getDir(), |
| "TestParallelShortCircuitReadUnCached._PORT.sock").getAbsolutePath()); |
| conf.setBoolean(HdfsClientConfigKeys.Read.ShortCircuit.KEY, true); |
| // Enabling data transfer encryption should have no effect when using |
| // short-circuit local reads. This is a regression test for HDFS-5353. |
| conf.setBoolean(DFSConfigKeys.DFS_ENCRYPT_DATA_TRANSFER_KEY, true); |
| conf.setBoolean(DFSConfigKeys.DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, true); |
| conf.setBoolean(HdfsClientConfigKeys.Read.ShortCircuit.SKIP_CHECKSUM_KEY, |
| false); |
| conf.setBoolean(HdfsClientConfigKeys. |
| DFS_CLIENT_DOMAIN_SOCKET_DATA_TRAFFIC, true); |
| // We want to test reading from stale sockets. |
| conf.setInt(DFSConfigKeys.DFS_DATANODE_SOCKET_REUSE_KEEPALIVE_KEY, 1); |
| conf.setLong(HdfsClientConfigKeys.DFS_CLIENT_SOCKET_CACHE_EXPIRY_MSEC_KEY, |
| 5 * 60 * 1000); |
| conf.setInt(HdfsClientConfigKeys.DFS_CLIENT_SOCKET_CACHE_CAPACITY_KEY, 32); |
| // Avoid using the FileInputStreamCache. |
| conf.setInt(HdfsClientConfigKeys.Read.ShortCircuit.STREAMS_CACHE_SIZE_KEY, |
| 0); |
| DomainSocket.disableBindPathValidation(); |
| DFSInputStream.tcpReadsDisabledForTesting = true; |
| setupCluster(1, conf); |
| } |
| |
| @Before |
| public void before() { |
| Assume.assumeThat(DomainSocket.getLoadingFailureReason(), equalTo(null)); |
| } |
| |
| @AfterClass |
| static public void teardownCluster() throws Exception { |
| if (DomainSocket.getLoadingFailureReason() != null) return; |
| sockDir.close(); |
| TestParallelReadUtil.teardownCluster(); |
| } |
| } |