| /* |
| * 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.fs.ozone; |
| |
| import org.apache.commons.lang3.RandomStringUtils; |
| import org.apache.hadoop.fs.CommonConfigurationKeysPublic; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.ozone.OzoneConsts; |
| import org.apache.hadoop.ozone.TestDataUtil; |
| import org.apache.hadoop.ozone.client.OzoneBucket; |
| import org.apache.hadoop.ozone.client.io.OzoneOutputStream; |
| import org.apache.hadoop.ozone.om.OMConfigKeys; |
| import org.junit.Rule; |
| import org.junit.BeforeClass; |
| import org.junit.AfterClass; |
| import org.junit.Test; |
| import org.junit.Assert; |
| import org.junit.rules.Timeout; |
| |
| import java.io.IOException; |
| |
| import static org.apache.hadoop.hdds.StringUtils.string2Bytes; |
| |
| /** |
| * Test OM Metrics for OzoneFileSystem operations. |
| */ |
| public class TestOzoneFileSystemMetrics { |
| /** |
| * Set a timeout for each test. |
| */ |
| @Rule |
| public Timeout timeout = new Timeout(300000); |
| private static MiniOzoneCluster cluster = null; |
| private static FileSystem fs; |
| private static OzoneBucket bucket; |
| |
| enum TestOps { |
| File, |
| Directory, |
| Key |
| } |
| /** |
| * Create a MiniDFSCluster for testing. |
| * <p> |
| * Ozone is made active by setting OZONE_ENABLED = true |
| * |
| * @throws IOException |
| */ |
| @BeforeClass |
| public static void init() throws Exception { |
| OzoneConfiguration conf = new OzoneConfiguration(); |
| conf.setBoolean(OMConfigKeys.OZONE_OM_ENABLE_FILESYSTEM_PATHS, true); |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(3) |
| .setChunkSize(2) // MB |
| .setBlockSize(8) // MB |
| .setStreamBufferFlushSize(2) // MB |
| .setStreamBufferMaxSize(4) // MB |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| |
| // create a volume and a bucket to be used by OzoneFileSystem |
| bucket = TestDataUtil.createVolumeAndBucket(cluster); |
| |
| // Set the fs.defaultFS and start the filesystem |
| String uri = String.format("%s://%s.%s/", |
| OzoneConsts.OZONE_URI_SCHEME, bucket.getName(), bucket.getVolumeName()); |
| conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, uri); |
| fs = FileSystem.get(conf); |
| } |
| |
| /** |
| * Shutdown MiniDFSCluster. |
| */ |
| @AfterClass |
| public static void shutdown() throws IOException { |
| fs.close(); |
| cluster.shutdown(); |
| } |
| |
| @Test |
| public void testKeyOps() throws Exception { |
| testOzoneFileCommit(TestOps.Key); |
| } |
| |
| @Test |
| public void testFileOps() throws Exception { |
| testOzoneFileCommit(TestOps.File); |
| } |
| |
| @Test |
| public void testDirOps() throws Exception { |
| testOzoneFileCommit(TestOps.Directory); |
| } |
| |
| private void testOzoneFileCommit(TestOps op) throws Exception { |
| long numKeysBeforeCreate = cluster |
| .getOzoneManager().getMetrics().getNumKeys(); |
| |
| int fileLen = 30 * 1024 * 1024; |
| byte[] data = string2Bytes(RandomStringUtils.randomAlphanumeric(fileLen)); |
| |
| Path parentDir = new Path("/" + RandomStringUtils.randomAlphanumeric(5)); |
| Path filePath = new Path(parentDir, |
| RandomStringUtils.randomAlphanumeric(5)); |
| |
| switch (op) { |
| case Key: |
| try (OzoneOutputStream stream = |
| bucket.createKey(filePath.toString(), fileLen)) { |
| stream.write(data); |
| } |
| break; |
| case File: |
| try (FSDataOutputStream stream = fs.create(filePath)) { |
| stream.write(data); |
| } |
| break; |
| case Directory: |
| fs.mkdirs(filePath); |
| break; |
| default: |
| throw new IOException("Execution should never reach here." + op); |
| } |
| |
| long numKeysAfterCommit = cluster |
| .getOzoneManager().getMetrics().getNumKeys(); |
| Assert.assertTrue(numKeysAfterCommit > 0); |
| Assert.assertEquals(numKeysBeforeCreate + 2, numKeysAfterCommit); |
| fs.delete(parentDir, true); |
| |
| long numKeysAfterDelete = cluster |
| .getOzoneManager().getMetrics().getNumKeys(); |
| Assert.assertTrue(numKeysAfterDelete >= 0); |
| Assert.assertEquals(numKeysBeforeCreate, numKeysAfterDelete); |
| } |
| } |