| /* |
| * 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.solr.cloud.hdfs; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.lucene.util.QuickPatchThreadsFilter; |
| import org.apache.solr.SolrIgnoredThreadsFilter; |
| import org.apache.solr.SolrTestCaseJ4; |
| import org.apache.solr.util.BadHdfsThreadsFilter; |
| import org.apache.solr.util.FSHDFSUtils; |
| import org.apache.solr.util.FSHDFSUtils.CallerInfo; |
| import org.junit.After; |
| import org.junit.AfterClass; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import com.carrotsearch.randomizedtesting.annotations.ThreadLeakFilters; |
| |
| @ThreadLeakFilters(defaultFilters = true, filters = { |
| SolrIgnoredThreadsFilter.class, |
| QuickPatchThreadsFilter.class, |
| BadHdfsThreadsFilter.class // hdfs currently leaks thread(s) |
| }) |
| public class HdfsRecoverLeaseTest extends SolrTestCaseJ4 { |
| |
| private static MiniDFSCluster dfsCluster; |
| |
| @BeforeClass |
| public static void beforeClass() throws Exception { |
| dfsCluster = HdfsTestUtil.setupClass(createTempDir().toFile().getAbsolutePath(), false); |
| } |
| |
| @AfterClass |
| public static void afterClass() throws Exception { |
| try { |
| HdfsTestUtil.teardownClass(dfsCluster); |
| } finally { |
| dfsCluster = null; |
| } |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| super.tearDown(); |
| } |
| |
| @Test |
| public void testBasic() throws IOException { |
| long startRecoverLeaseSuccessCount = FSHDFSUtils.RECOVER_LEASE_SUCCESS_COUNT.get(); |
| |
| URI uri = dfsCluster.getURI(); |
| Path path = new Path(uri); |
| Configuration conf = HdfsTestUtil.getClientConfiguration(dfsCluster); |
| FileSystem fs1 = FileSystem.get(path.toUri(), conf); |
| Path testFile = new Path(uri.toString() + "/testfile"); |
| FSDataOutputStream out = fs1.create(testFile); |
| |
| out.write(5); |
| out.hflush(); |
| out.close(); |
| |
| FSHDFSUtils.recoverFileLease(fs1, testFile, conf, new CallerInfo() { |
| |
| @Override |
| public boolean isCallerClosed() { |
| return false; |
| } |
| }); |
| assertEquals(0, FSHDFSUtils.RECOVER_LEASE_SUCCESS_COUNT.get() - startRecoverLeaseSuccessCount); |
| |
| fs1.close(); |
| |
| |
| FileSystem fs2 = FileSystem.get(path.toUri(), conf); |
| Path testFile2 = new Path(uri.toString() + "/testfile2"); |
| FSDataOutputStream out2 = fs2.create(testFile2); |
| |
| if (random().nextBoolean()) { |
| int cnt = random().nextInt(100); |
| for (int i = 0; i < cnt; i++) { |
| out2.write(random().nextInt(20000)); |
| } |
| out2.hflush(); |
| } |
| |
| |
| // closing the fs will close the file it seems |
| // fs2.close(); |
| |
| FileSystem fs3 = FileSystem.get(path.toUri(), conf); |
| |
| FSHDFSUtils.recoverFileLease(fs3, testFile2, conf, new CallerInfo() { |
| |
| @Override |
| public boolean isCallerClosed() { |
| return false; |
| } |
| }); |
| assertEquals(1, FSHDFSUtils.RECOVER_LEASE_SUCCESS_COUNT.get() - startRecoverLeaseSuccessCount); |
| |
| fs3.close(); |
| fs2.close(); |
| } |
| |
| @Test |
| public void testMultiThreaded() throws Exception { |
| long startRecoverLeaseSuccessCount = FSHDFSUtils.RECOVER_LEASE_SUCCESS_COUNT.get(); |
| |
| final URI uri = dfsCluster.getURI(); |
| final Path path = new Path(uri); |
| final Configuration conf = HdfsTestUtil.getClientConfiguration(dfsCluster); |
| |
| // n threads create files |
| class WriterThread extends Thread { |
| private FileSystem fs; |
| private int id; |
| |
| public WriterThread(int id) { |
| this.id = id; |
| try { |
| fs = FileSystem.get(path.toUri(), conf); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void run() { |
| Path testFile = new Path(uri.toString() + "/file-" + id); |
| FSDataOutputStream out; |
| try { |
| out = fs.create(testFile); |
| |
| if (random().nextBoolean()) { |
| int cnt = random().nextInt(100); |
| for (int i = 0; i < cnt; i++) { |
| out.write(random().nextInt(20000)); |
| } |
| out.hflush(); |
| } |
| } catch (IOException e) { |
| throw new RuntimeException(); |
| } |
| } |
| |
| public void close() throws IOException { |
| fs.close(); |
| } |
| |
| public int getFileId() { |
| return id; |
| } |
| } |
| |
| class RecoverThread extends Thread { |
| private FileSystem fs; |
| private int id; |
| |
| public RecoverThread(int id) { |
| this.id = id; |
| try { |
| fs = FileSystem.get(path.toUri(), conf); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public void run() { |
| Path testFile = new Path(uri.toString() + "/file-" + id); |
| try { |
| FSHDFSUtils.recoverFileLease(fs, testFile, conf, new CallerInfo() { |
| |
| @Override |
| public boolean isCallerClosed() { |
| return false; |
| } |
| }); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public void close() throws IOException { |
| fs.close(); |
| } |
| } |
| |
| Set<WriterThread> writerThreads = new HashSet<WriterThread>(); |
| Set<RecoverThread> recoverThreads = new HashSet<RecoverThread>(); |
| |
| int threadCount = 3; |
| for (int i = 0; i < threadCount; i++) { |
| WriterThread wt = new WriterThread(i); |
| writerThreads.add(wt); |
| wt.run(); |
| } |
| |
| for (WriterThread wt : writerThreads) { |
| wt.join(); |
| } |
| |
| Thread.sleep(2000); |
| |
| for (WriterThread wt : writerThreads) { |
| RecoverThread rt = new RecoverThread(wt.getFileId()); |
| recoverThreads.add(rt); |
| rt.run(); |
| } |
| |
| for (WriterThread wt : writerThreads) { |
| wt.close(); |
| } |
| |
| for (RecoverThread rt : recoverThreads) { |
| rt.close(); |
| } |
| |
| assertEquals(threadCount, FSHDFSUtils.RECOVER_LEASE_SUCCESS_COUNT.get() - startRecoverLeaseSuccessCount); |
| |
| } |
| |
| } |