| /* |
| * 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.lucene.index; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.IntPoint; |
| import org.apache.lucene.document.StringField; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.store.RAMDirectory; |
| import org.apache.lucene.util.English; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestAtomicUpdate extends LuceneTestCase { |
| |
| private static abstract class TimedThread extends Thread { |
| int numIterations; |
| volatile Throwable failure; |
| |
| abstract public void doWork(int currentIteration) throws IOException; |
| |
| TimedThread(int numIterations) { |
| this.numIterations = numIterations; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| for (int count = 0; count < numIterations; count++) { |
| doWork(count); |
| } |
| } catch (Throwable e) { |
| failure = e; |
| e.printStackTrace(System.out); |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| private static class IndexerThread extends TimedThread { |
| IndexWriter writer; |
| public IndexerThread(IndexWriter writer, int numIterations) { |
| super(numIterations); |
| this.writer = writer; |
| } |
| |
| @Override |
| public void doWork(int currentIteration) throws IOException { |
| // Update all 100 docs... |
| for(int i=0; i<100; i++) { |
| Document d = new Document(); |
| d.add(new StringField("id", Integer.toString(i), Field.Store.YES)); |
| d.add(new TextField("contents", English.intToEnglish(i+10*currentIteration), Field.Store.NO)); |
| d.add(new IntPoint("doc", i)); |
| d.add(new IntPoint("doc2d", i, i)); |
| writer.updateDocument(new Term("id", Integer.toString(i)), d); |
| } |
| } |
| } |
| |
| private static class SearcherThread extends TimedThread { |
| private Directory directory; |
| |
| public SearcherThread(Directory directory, int numIterations) { |
| super(numIterations); |
| this.directory = directory; |
| } |
| |
| @Override |
| public void doWork(int currentIteration) throws IOException { |
| IndexReader r = DirectoryReader.open(directory); |
| assertEquals(100, r.numDocs()); |
| r.close(); |
| } |
| } |
| |
| /* |
| * Run N indexer and N searchers against single index as |
| * stress test. |
| */ |
| public void runTest(Directory directory) throws Exception { |
| int indexThreads = TEST_NIGHTLY ? 2 : 1; |
| int searchThreads = TEST_NIGHTLY ? 2 : 1; |
| int indexIterations = TEST_NIGHTLY ? 10 : 1; |
| int searchIterations = TEST_NIGHTLY ? 10 : 1; |
| |
| IndexWriterConfig conf = new IndexWriterConfig(new MockAnalyzer(random())) |
| .setMaxBufferedDocs(7); |
| ((TieredMergePolicy) conf.getMergePolicy()).setMaxMergeAtOnce(3); |
| IndexWriter writer = RandomIndexWriter.mockIndexWriter(directory, conf, random()); |
| |
| // Establish a base index of 100 docs: |
| for(int i=0;i<100;i++) { |
| Document d = new Document(); |
| d.add(newStringField("id", Integer.toString(i), Field.Store.YES)); |
| d.add(newTextField("contents", English.intToEnglish(i), Field.Store.NO)); |
| if ((i-1)%7 == 0) { |
| writer.commit(); |
| } |
| writer.addDocument(d); |
| } |
| writer.commit(); |
| |
| IndexReader r = DirectoryReader.open(directory); |
| assertEquals(100, r.numDocs()); |
| r.close(); |
| |
| List<TimedThread> threads = new ArrayList<>(); |
| for (int i = 0; i < indexThreads; i++) { |
| threads.add(new IndexerThread(writer, indexIterations)); |
| } |
| for (int i = 0; i < searchThreads; i++) { |
| threads.add(new SearcherThread(directory, searchIterations)); |
| } |
| for (TimedThread thread : threads) { |
| thread.start(); |
| } |
| for (TimedThread thread : threads) { |
| thread.join(); |
| } |
| |
| writer.close(); |
| |
| for (TimedThread thread : threads) { |
| if (thread.failure != null) { |
| throw new RuntimeException("hit exception from " + thread, thread.failure); |
| } |
| } |
| } |
| |
| /* |
| Run above stress test against RAMDirectory and then |
| FSDirectory. |
| */ |
| public void testAtomicUpdates() throws Exception { |
| Directory directory; |
| |
| // First in a RAM directory: |
| directory = new MockDirectoryWrapper(random(), new RAMDirectory()); |
| runTest(directory); |
| directory.close(); |
| |
| // Second in an FSDirectory: |
| Path dirPath = createTempDir("lucene.test.atomic"); |
| directory = newFSDirectory(dirPath); |
| runTest(directory); |
| directory.close(); |
| } |
| } |