1 package org.apache.lucene.index;
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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;
29 import org.apache.lucene.util.LuceneTestCase;
31 import java.util.Random;
33 public class TestThreadedOptimize extends LuceneTestCase {
35 private static final Analyzer ANALYZER = new MockAnalyzer(random, MockTokenizer.SIMPLE, true);
37 private final static int NUM_THREADS = 3;
38 //private final static int NUM_THREADS = 5;
40 private final static int NUM_ITER = 1;
42 private final static int NUM_ITER2 = 1;
44 private volatile boolean failed;
46 private void setFailed() {
50 public void runTest(Random random, Directory directory) throws Exception {
52 IndexWriter writer = new IndexWriter(
54 newIndexWriterConfig(TEST_VERSION_CURRENT, ANALYZER).
55 setOpenMode(OpenMode.CREATE).
56 setMaxBufferedDocs(2).
57 setMergePolicy(newLogMergePolicy())
60 for(int iter=0;iter<NUM_ITER;iter++) {
61 final int iterFinal = iter;
63 setMergeFactor(writer.getConfig().getMergePolicy(), 100);
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);
72 ((LogMergePolicy) writer.getConfig().getMergePolicy()).setMergeFactor(4);
73 writer.setInfoStream(VERBOSE ? System.out : null);
75 Thread[] threads = new Thread[NUM_THREADS];
77 for(int i=0;i<NUM_THREADS;i++) {
79 final IndexWriter writerFinal = writer;
80 threads[i] = new Thread() {
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);
92 for(int k=0;k<9*(1+iFinal);k++)
93 writerFinal.deleteDocuments(new Term("id", iterFinal + "_" + iFinal + "_" + j + "_" + k));
94 writerFinal.optimize();
96 } catch (Throwable t) {
98 System.out.println(Thread.currentThread().getName() + ": hit exception");
99 t.printStackTrace(System.out);
105 for(int i=0;i<NUM_THREADS;i++)
108 for(int i=0;i<NUM_THREADS;i++)
113 final int expectedDocCount = (int) ((1+iter)*(200+8*NUM_ITER2*(NUM_THREADS/2.0)*(1+NUM_THREADS)));
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());
119 writer = new IndexWriter(directory, newIndexWriterConfig(
120 TEST_VERSION_CURRENT, ANALYZER).setOpenMode(
121 OpenMode.APPEND).setMaxBufferedDocs(2));
123 IndexReader reader = IndexReader.open(directory, true);
124 assertTrue("reader=" + reader, reader.isOptimized());
125 assertEquals(expectedDocCount, reader.numDocs());
131 public void testThreadedOptimize() throws Exception {
132 Directory directory = newDirectory();
133 runTest(random, directory);