lucene-java-3.4.0/lucene/src/test/org/apache/lucene/index/TestThreadedOptimize.java

   1 package org.apache.lucene.index;
   2
   3 /**
   4  * Licensed to the Apache Software Foundation (ASF) under one or more
   5  * contributor license agreements.  See the NOTICE file distributed with
   6  * this work for additional information regarding copyright ownership.
   7  * The ASF licenses this file to You under the Apache License, Version 2.0
   8  * (the "License"); you may not use this file except in compliance with
   9  * the License.  You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19
  20 import org.apache.lucene.analysis.MockAnalyzer;
  21 import org.apache.lucene.analysis.Analyzer;
  22 import org.apache.lucene.analysis.MockTokenizer;
  23 import org.apache.lucene.store.Directory;
  24 import org.apache.lucene.document.Document;
  25 import org.apache.lucene.document.Field;
  26 import org.apache.lucene.index.IndexWriterConfig.OpenMode;
  27 import org.apache.lucene.util.English;
  28
  29 import org.apache.lucene.util.LuceneTestCase;
  30
  31 import java.util.Random;
  32
  33 public class TestThreadedOptimize extends LuceneTestCase {
  34
  35   private static final Analyzer ANALYZER = new MockAnalyzer(random, MockTokenizer.SIMPLE, true);
  36
  37   private final static int NUM_THREADS = 3;
  38   //private final static int NUM_THREADS = 5;
  39
  40   private final static int NUM_ITER = 1;
  41
  42   private final static int NUM_ITER2 = 1;
  43
  44   private volatile boolean failed;
  45
  46   private void setFailed() {
  47     failed = true;
  48   }
  49
  50   public void runTest(Random random, Directory directory) throws Exception {
  51
  52     IndexWriter writer = new IndexWriter(
  53         directory,
  54         newIndexWriterConfig(TEST_VERSION_CURRENT, ANALYZER).
  55             setOpenMode(OpenMode.CREATE).
  56             setMaxBufferedDocs(2).
  57             setMergePolicy(newLogMergePolicy())
  58     );
  59
  60     for(int iter=0;iter<NUM_ITER;iter++) {
  61       final int iterFinal = iter;
  62
  63       setMergeFactor(writer.getConfig().getMergePolicy(), 100);
  64
  65       for(int i=0;i<200;i++) {
  66         Document d = new Document();
  67         d.add(newField("id", Integer.toString(i), Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
  68         d.add(newField("contents", English.intToEnglish(i), Field.Store.NO, Field.Index.ANALYZED_NO_NORMS));
  69         writer.addDocument(d);
  70       }
  71
  72       ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(4);
  73       writer.setInfoStream(VERBOSE ? System.out : null);
  74
  75       Thread[] threads = new Thread[NUM_THREADS];
  76
  77       for(int i=0;i<NUM_THREADS;i++) {
  78         final int iFinal = i;
  79         final IndexWriter writerFinal = writer;
  80         threads[i] = new Thread() {
  81           @Override
  82           public void run() {
  83             try {
  84               for(int j=0;j<NUM_ITER2;j++) {
  85                 writerFinal.optimize(false);
  86                 for(int k=0;k<17*(1+iFinal);k++) {
  87                   Document d = new Document();
  88                   d.add(newField("id", iterFinal + "_" + iFinal + "_" + j + "_" + k, Field.Store.YES, Field.Index.NOT_ANALYZED_NO_NORMS));
  89                   d.add(newField("contents", English.intToEnglish(iFinal+k), Field.Store.NO, Field.Index.ANALYZED_NO_NORMS));
  90                   writerFinal.addDocument(d);
  91                 }
  92                 for(int k=0;k<9*(1+iFinal);k++)
  93                   writerFinal.deleteDocuments(new Term("id", iterFinal + "_" + iFinal + "_" + j + "_" + k));
  94                 writerFinal.optimize();
  95               }
  96             } catch (Throwable t) {
  97               setFailed();
  98               System.out.println(Thread.currentThread().getName() + ": hit exception");
  99               t.printStackTrace(System.out);
 100             }
 101           }
 102         };
 103       }
 104
 105       for(int i=0;i<NUM_THREADS;i++)
 106         threads[i].start();
 107
 108       for(int i=0;i<NUM_THREADS;i++)
 109         threads[i].join();
 110
 111       assertTrue(!failed);
 112
 113       final int expectedDocCount = (int) ((1+iter)*(200+8*NUM_ITER2*(NUM_THREADS/2.0)*(1+NUM_THREADS)));
 114
 115       assertEquals("index=" + writer.segString() + " numDocs=" + writer.numDocs() + " maxDoc=" + writer.maxDoc() + " config=" + writer.getConfig(), expectedDocCount, writer.numDocs());
 116       assertEquals("index=" + writer.segString() + " numDocs=" + writer.numDocs() + " maxDoc=" + writer.maxDoc() + " config=" + writer.getConfig(), expectedDocCount, writer.maxDoc());
 117
 118       writer.close();
 119       writer = new IndexWriter(directory, newIndexWriterConfig(
 120           TEST_VERSION_CURRENT, ANALYZER).setOpenMode(
 121           OpenMode.APPEND).setMaxBufferedDocs(2));
 122
 123       IndexReader reader = IndexReader.open(directory, true);
 124       assertTrue("reader=" + reader, reader.isOptimized());
 125       assertEquals(expectedDocCount, reader.numDocs());
 126       reader.close();
 127     }
 128     writer.close();
 129   }
 130
 131   public void testThreadedOptimize() throws Exception {
 132     Directory directory = newDirectory();
 133     runTest(random, directory);
 134     directory.close();
 135   }
 136 }