X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterOptimize.java?ds=sidebyside

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterOptimize.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterOptimize.java
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+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/index/TestIndexWriterOptimize.java
@@ -0,0 +1,215 @@
+package org.apache.lucene.index;
+
+/**
+ * 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.
+ */
+
+import java.io.IOException;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.Field.Index;
+import org.apache.lucene.document.Field.Store;
+import org.apache.lucene.document.Field.TermVector;
+import org.apache.lucene.index.IndexWriterConfig.OpenMode;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.MockDirectoryWrapper;
+import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
+
+public class TestIndexWriterOptimize extends LuceneTestCase {
+  public void testOptimizeMaxNumSegments() throws IOException {
+
+    MockDirectoryWrapper dir = newDirectory();
+
+    final Document doc = new Document();
+    doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
+    final int incrMin = TEST_NIGHTLY ? 15 : 40;
+    for(int numDocs=10;numDocs<500;numDocs += _TestUtil.nextInt(random, incrMin, 5*incrMin)) {
+      LogDocMergePolicy ldmp = new LogDocMergePolicy();
+      ldmp.setMinMergeDocs(1);
+      ldmp.setMergeFactor(5);
+      IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
+        TEST_VERSION_CURRENT, new MockAnalyzer(random))
+        .setOpenMode(OpenMode.CREATE).setMaxBufferedDocs(2).setMergePolicy(
+            ldmp));
+      for(int j=0;j<numDocs;j++)
+        writer.addDocument(doc);
+      writer.close();
+
+      SegmentInfos sis = new SegmentInfos();
+      sis.read(dir);
+      final int segCount = sis.size();
+
+      ldmp = new LogDocMergePolicy();
+      ldmp.setMergeFactor(5);
+      writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT,
+        new MockAnalyzer(random)).setMergePolicy(ldmp));
+      writer.optimize(3);
+      writer.close();
+
+      sis = new SegmentInfos();
+      sis.read(dir);
+      final int optSegCount = sis.size();
+
+      if (segCount < 3)
+        assertEquals(segCount, optSegCount);
+      else
+        assertEquals(3, optSegCount);
+    }
+    dir.close();
+  }
+
+  public void testOptimizeMaxNumSegments2() throws IOException {
+    MockDirectoryWrapper dir = newDirectory();
+
+    final Document doc = new Document();
+    doc.add(newField("content", "aaa", Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
+
+    LogDocMergePolicy ldmp = new LogDocMergePolicy();
+    ldmp.setMinMergeDocs(1);
+    ldmp.setMergeFactor(4);
+    IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(
+      TEST_VERSION_CURRENT, new MockAnalyzer(random))
+      .setMaxBufferedDocs(2).setMergePolicy(ldmp).setMergeScheduler(new ConcurrentMergeScheduler()));
+
+    for(int iter=0;iter<10;iter++) {
+      for(int i=0;i<19;i++)
+        writer.addDocument(doc);
+
+      writer.commit();
+      writer.waitForMerges();
+      writer.commit();
+
+      SegmentInfos sis = new SegmentInfos();
+      sis.read(dir);
+
+      final int segCount = sis.size();
+
+      writer.optimize(7);
+      writer.commit();
+      writer.waitForMerges();
+
+      sis = new SegmentInfos();
+      sis.read(dir);
+      final int optSegCount = sis.size();
+
+      if (segCount < 7)
+        assertEquals(segCount, optSegCount);
+      else
+        assertEquals(7, optSegCount);
+    }
+    writer.close();
+    dir.close();
+  }
+
+  /**
+   * Make sure optimize doesn't use any more than 1X
+   * starting index size as its temporary free space
+   * required.
+   */
+  public void testOptimizeTempSpaceUsage() throws IOException {
+
+    MockDirectoryWrapper dir = newDirectory();
+    IndexWriter writer  = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMaxBufferedDocs(10).setMergePolicy(newLogMergePolicy()));
+    if (VERBOSE) {
+      System.out.println("TEST: config1=" + writer.getConfig());
+    }
+
+    for(int j=0;j<500;j++) {
+      TestIndexWriter.addDocWithIndex(writer, j);
+    }
+    final int termIndexInterval = writer.getConfig().getTermIndexInterval();
+    // force one extra segment w/ different doc store so
+    // we see the doc stores get merged
+    writer.commit();
+    TestIndexWriter.addDocWithIndex(writer, 500);
+    writer.close();
+
+    if (VERBOSE) {
+      System.out.println("TEST: start disk usage");
+    }
+    long startDiskUsage = 0;
+    String[] files = dir.listAll();
+    for(int i=0;i<files.length;i++) {
+      startDiskUsage += dir.fileLength(files[i]);
+      if (VERBOSE) {
+        System.out.println(files[i] + ": " + dir.fileLength(files[i]));
+      }
+    }
+
+    dir.resetMaxUsedSizeInBytes();
+    dir.setTrackDiskUsage(true);
+
+    // Import to use same term index interval else a
+    // smaller one here could increase the disk usage and
+    // cause a false failure:
+    writer = new IndexWriter(dir, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random)).setOpenMode(OpenMode.APPEND).setTermIndexInterval(termIndexInterval).setMergePolicy(newLogMergePolicy()));
+    writer.setInfoStream(VERBOSE ? System.out : null);
+    writer.optimize();
+    writer.close();
+    long maxDiskUsage = dir.getMaxUsedSizeInBytes();
+    assertTrue("optimize used too much temporary space: starting usage was " + startDiskUsage + " bytes; max temp usage was " + maxDiskUsage + " but should have been " + (4*startDiskUsage) + " (= 4X starting usage)",
+               maxDiskUsage <= 4*startDiskUsage);
+    dir.close();
+  }
+  
+  // Test calling optimize(false) whereby optimize is kicked
+  // off but we don't wait for it to finish (but
+  // writer.close()) does wait
+  public void testBackgroundOptimize() throws IOException {
+
+    Directory dir = newDirectory();
+    for(int pass=0;pass<2;pass++) {
+      IndexWriter writer = new IndexWriter(
+          dir,
+          newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).
+              setOpenMode(OpenMode.CREATE).
+              setMaxBufferedDocs(2).
+              setMergePolicy(newLogMergePolicy(51))
+      );
+      Document doc = new Document();
+      doc.add(newField("field", "aaa", Store.NO, Index.NOT_ANALYZED));
+      for(int i=0;i<100;i++)
+        writer.addDocument(doc);
+      writer.optimize(false);
+
+      if (0 == pass) {
+        writer.close();
+        IndexReader reader = IndexReader.open(dir, true);
+        assertTrue(reader.isOptimized());
+        reader.close();
+      } else {
+        // Get another segment to flush so we can verify it is
+        // NOT included in the optimization
+        writer.addDocument(doc);
+        writer.addDocument(doc);
+        writer.close();
+
+        IndexReader reader = IndexReader.open(dir, true);
+        assertTrue(!reader.isOptimized());
+        reader.close();
+
+        SegmentInfos infos = new SegmentInfos();
+        infos.read(dir);
+        assertEquals(2, infos.size());
+      }
+    }
+
+    dir.close();
+  }
+}