| /* |
| * 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 org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.MockTokenizer; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.FieldType; |
| import org.apache.lucene.document.StringField; |
| import org.apache.lucene.index.IndexWriterConfig.OpenMode; |
| import org.apache.lucene.util.English; |
| |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.junit.BeforeClass; |
| |
| import java.util.Random; |
| |
| public class TestThreadedForceMerge extends LuceneTestCase { |
| |
| private static Analyzer ANALYZER; |
| |
| private final static int NUM_THREADS = 3; |
| //private final static int NUM_THREADS = 5; |
| |
| private final static int NUM_ITER = 1; |
| |
| private final static int NUM_ITER2 = 1; |
| |
| private volatile boolean failed; |
| |
| @BeforeClass |
| public static void setup() { |
| ANALYZER = new MockAnalyzer(random(), MockTokenizer.SIMPLE, true); |
| } |
| |
| private void setFailed() { |
| failed = true; |
| } |
| |
| public void runTest(Random random, Directory directory) throws Exception { |
| |
| IndexWriter writer = new IndexWriter( |
| directory, |
| newIndexWriterConfig(ANALYZER). |
| setOpenMode(OpenMode.CREATE). |
| setMaxBufferedDocs(2). |
| setMergePolicy(newLogMergePolicy()) |
| ); |
| |
| for(int iter=0;iter<NUM_ITER;iter++) { |
| final int iterFinal = iter; |
| |
| ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(1000); |
| |
| final FieldType customType = new FieldType(StringField.TYPE_STORED); |
| customType.setOmitNorms(true); |
| |
| for(int i=0;i<200;i++) { |
| Document d = new Document(); |
| d.add(newField("id", Integer.toString(i), customType)); |
| d.add(newField("contents", English.intToEnglish(i), customType)); |
| writer.addDocument(d); |
| } |
| |
| ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(4); |
| |
| Thread[] threads = new Thread[NUM_THREADS]; |
| |
| for(int i=0;i<NUM_THREADS;i++) { |
| final int iFinal = i; |
| final IndexWriter writerFinal = writer; |
| threads[i] = new Thread() { |
| @Override |
| public void run() { |
| try { |
| for(int j=0;j<NUM_ITER2;j++) { |
| writerFinal.forceMerge(1, false); |
| for(int k=0;k<17*(1+iFinal);k++) { |
| Document d = new Document(); |
| d.add(newField("id", iterFinal + "_" + iFinal + "_" + j + "_" + k, customType)); |
| d.add(newField("contents", English.intToEnglish(iFinal+k), customType)); |
| writerFinal.addDocument(d); |
| } |
| for(int k=0;k<9*(1+iFinal);k++) |
| writerFinal.deleteDocuments(new Term("id", iterFinal + "_" + iFinal + "_" + j + "_" + k)); |
| writerFinal.forceMerge(1); |
| } |
| } catch (Throwable t) { |
| setFailed(); |
| System.out.println(Thread.currentThread().getName() + ": hit exception"); |
| t.printStackTrace(System.out); |
| } |
| } |
| }; |
| } |
| |
| for(int i=0;i<NUM_THREADS;i++) |
| threads[i].start(); |
| |
| for(int i=0;i<NUM_THREADS;i++) |
| threads[i].join(); |
| |
| assertTrue(!failed); |
| |
| final int expectedDocCount = (int) ((1+iter)*(200+8*NUM_ITER2*(NUM_THREADS/2.0)*(1+NUM_THREADS))); |
| |
| assertEquals("index=" + writer.segString() + " numDocs=" + writer.getDocStats().numDocs + " maxDoc=" + writer.getDocStats().maxDoc + " config=" + writer.getConfig(), expectedDocCount, writer.getDocStats().numDocs); |
| assertEquals("index=" + writer.segString() + " numDocs=" + writer.getDocStats().numDocs + " maxDoc=" + writer.getDocStats().maxDoc + " config=" + writer.getConfig(), expectedDocCount, writer.getDocStats().maxDoc); |
| |
| writer.close(); |
| writer = new IndexWriter(directory, newIndexWriterConfig(ANALYZER) |
| .setOpenMode(OpenMode.APPEND) |
| .setMaxBufferedDocs(2)); |
| |
| DirectoryReader reader = DirectoryReader.open(directory); |
| assertEquals("reader=" + reader, 1, reader.leaves().size()); |
| assertEquals(expectedDocCount, reader.numDocs()); |
| reader.close(); |
| } |
| writer.close(); |
| } |
| |
| /* |
| Run above stress test against RAMDirectory and then |
| FSDirectory. |
| */ |
| public void testThreadedForceMerge() throws Exception { |
| Directory directory = newDirectory(); |
| runTest(random(), directory); |
| directory.close(); |
| } |
| } |