| /* |
| * 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.jackrabbit.oak.plugins.index.lucene.directory; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Random; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ThreadFactory; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import com.google.common.io.Closer; |
| import org.apache.jackrabbit.oak.plugins.document.DocumentMKBuilderProvider; |
| import org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore; |
| import org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopier; |
| import org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexDefinition; |
| import org.apache.jackrabbit.oak.spi.commit.CommitInfo; |
| import org.apache.jackrabbit.oak.spi.commit.EmptyHook; |
| import org.apache.jackrabbit.oak.spi.state.NodeBuilder; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.IOContext; |
| import org.apache.lucene.store.IndexOutput; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.LuceneIndexConstants.SUGGEST_DATA_CHILD_NAME; |
| import static org.apache.jackrabbit.oak.plugins.index.search.FulltextIndexConstants.INDEX_DATA_CHILD_NAME; |
| import static org.apache.jackrabbit.oak.plugins.index.search.IndexDefinition.PROP_UID; |
| import static org.apache.jackrabbit.oak.plugins.index.search.IndexDefinition.STATUS_NODE; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| public class CopyOnWriteDirectoryTest { |
| |
| @Rule |
| public TemporaryFolder tempFolder = new TemporaryFolder(new File("target")); |
| |
| @Rule |
| public DocumentMKBuilderProvider builderProvider = new DocumentMKBuilderProvider(); |
| |
| private Random rnd = new Random(); |
| |
| private IndexCopier copier; |
| |
| private ExecutorService executor; |
| |
| private DocumentNodeStore ns; |
| |
| @Before |
| public void before() throws Exception { |
| executor = Executors.newCachedThreadPool(new ThreadFactory() { |
| private final AtomicInteger counter = new AtomicInteger(); |
| |
| @Override |
| public Thread newThread(Runnable r) { |
| Thread t = new Thread(r); |
| t.setName("IndexCopier-" + counter.incrementAndGet()); |
| return t; |
| } |
| }); |
| copier = new IndexCopier(executor, tempFolder.newFolder()); |
| ns = builderProvider.newBuilder().getNodeStore(); |
| } |
| |
| @After |
| public void after() throws Exception { |
| ns.dispose(); |
| executor.shutdown(); |
| executor.awaitTermination(5, TimeUnit.SECONDS); |
| } |
| |
| // OAK-5238 |
| @Test |
| public void copyOnWrite() throws Exception { |
| LuceneIndexDefinition def = new LuceneIndexDefinition(ns.getRoot(), ns.getRoot(), "/foo"); |
| NodeBuilder builder = ns.getRoot().builder(); |
| Directory dir = new DefaultDirectoryFactory(copier, null).newInstance(def, builder.child("foo"), INDEX_DATA_CHILD_NAME, false); |
| addFiles(dir); |
| writeTree(builder); |
| dir.close(); |
| ns.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY); |
| } |
| |
| // OAK-6775 |
| @Test |
| public void suggestDirUseCOWOnlyWhenItGetUniqueFSFolder() throws Exception { |
| Closer closer = Closer.create(); |
| try { |
| NodeBuilder builder = ns.getRoot().builder().child("foo"); |
| |
| LuceneIndexDefinition def = new LuceneIndexDefinition(ns.getRoot(), builder.getNodeState(), "/foo"); |
| Directory dir = new DefaultDirectoryFactory(copier, null).newInstance(def, builder.child("foo"), INDEX_DATA_CHILD_NAME, false); |
| Directory suggestDir = new DefaultDirectoryFactory(copier, null).newInstance(def, builder.child("foo"), SUGGEST_DATA_CHILD_NAME, false); |
| |
| closer.register(dir); |
| closer.register(suggestDir); |
| |
| assertTrue("Data directory not COW-wrapped", dir instanceof CopyOnWriteDirectory); |
| assertFalse("Suggester directory COW-wrapped", suggestDir instanceof CopyOnWriteDirectory); |
| |
| builder.child(STATUS_NODE).setProperty(PROP_UID, "some_random_string"); |
| def = new LuceneIndexDefinition(ns.getRoot(), builder.getNodeState(), "/foo"); |
| |
| assertNotNull("Synthetic UID not read by definition", def.getUniqueId()); |
| |
| dir = new DefaultDirectoryFactory(copier, null).newInstance(def, builder.child("foo"), INDEX_DATA_CHILD_NAME, false); |
| Directory dir1 = new DefaultDirectoryFactory(copier, null).newInstance(def, builder.child("foo"), INDEX_DATA_CHILD_NAME, false); |
| suggestDir = new DefaultDirectoryFactory(copier, null).newInstance(def, builder.child("foo"), SUGGEST_DATA_CHILD_NAME, false); |
| |
| closer.register(dir); |
| closer.register(suggestDir); |
| |
| assertTrue("Data directory not COW-wrapped", dir instanceof CopyOnWriteDirectory); |
| assertTrue("Suggester directory not COW-wrapped", suggestDir instanceof CopyOnWriteDirectory); |
| } finally { |
| closer.close(); |
| } |
| } |
| |
| private void writeTree(NodeBuilder builder) { |
| NodeBuilder test = builder.child("test"); |
| for (int i = 0; i < 100; i++) { |
| NodeBuilder b = test.child("child-" + i); |
| for (int j = 0; j < 10; j++) { |
| NodeBuilder child = b.child("child-" + j); |
| child.setProperty("p", "value"); |
| } |
| } |
| } |
| |
| private void addFiles(Directory dir) throws IOException { |
| for (int i = 0; i < 100; i++) { |
| byte[] data = randomBytes(); |
| IndexOutput out = dir.createOutput("file-" + i, IOContext.DEFAULT); |
| out.writeBytes(data, data.length); |
| out.close(); |
| } |
| } |
| |
| private byte[] randomBytes() { |
| byte[] data = new byte[1024]; |
| rnd.nextBytes(data); |
| return data; |
| } |
| } |