| package org.apache.lucene.benchmark.byTask.tasks; |
| |
| /** |
| * 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 org.apache.lucene.benchmark.byTask.PerfRunData; |
| import org.apache.lucene.benchmark.byTask.utils.Config; |
| import org.apache.lucene.index.IndexDeletionPolicy; |
| import org.apache.lucene.index.IndexWriter; |
| import org.apache.lucene.index.IndexWriterConfig; |
| import org.apache.lucene.index.MergeScheduler; |
| import org.apache.lucene.index.ConcurrentMergeScheduler; |
| import org.apache.lucene.index.MergePolicy; |
| import org.apache.lucene.index.IndexWriterConfig.OpenMode; |
| import org.apache.lucene.util.Version; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| |
| /** |
| * Create an index. <br> |
| * Other side effects: index writer object in perfRunData is set. <br> |
| * Relevant properties: <code>merge.factor (default 10), |
| * max.buffered (default no flush), max.field.length (default |
| * 10,000 tokens), max.field.length, compound (default true), ram.flush.mb [default 0], |
| * merge.policy (default org.apache.lucene.index.LogByteSizeMergePolicy), |
| * merge.scheduler (default |
| * org.apache.lucene.index.ConcurrentMergeScheduler), |
| * concurrent.merge.scheduler.max.thread.count and |
| * concurrent.merge.scheduler.max.merge.count (defaults per |
| * ConcurrentMergeScheduler) </code>. |
| * <p> |
| * This task also supports a "writer.info.stream" property with the following |
| * values: |
| * <ul> |
| * <li>SystemOut - sets {@link IndexWriter#setInfoStream(java.io.PrintStream)} |
| * to {@link System#out}. |
| * <li>SystemErr - sets {@link IndexWriter#setInfoStream(java.io.PrintStream)} |
| * to {@link System#err}. |
| * <li><file_name> - attempts to create a file given that name and sets |
| * {@link IndexWriter#setInfoStream(java.io.PrintStream)} to that file. If this |
| * denotes an invalid file name, or some error occurs, an exception will be |
| * thrown. |
| * </ul> |
| */ |
| public class CreateIndexTask extends PerfTask { |
| |
| public CreateIndexTask(PerfRunData runData) { |
| super(runData); |
| } |
| |
| public static void setIndexWriterConfig(IndexWriter writer, Config config) throws IOException { |
| |
| final String mergeScheduler = config.get("merge.scheduler", |
| "org.apache.lucene.index.ConcurrentMergeScheduler"); |
| try { |
| writer.setMergeScheduler(Class.forName(mergeScheduler).asSubclass(MergeScheduler.class).newInstance()); |
| } catch (Exception e) { |
| throw new RuntimeException("unable to instantiate class '" + mergeScheduler + "' as merge scheduler", e); |
| } |
| |
| if (mergeScheduler.equals("org.apache.lucene.index.ConcurrentMergeScheduler")) { |
| ConcurrentMergeScheduler cms = (ConcurrentMergeScheduler) writer.getMergeScheduler(); |
| int v = config.get("concurrent.merge.scheduler.max.thread.count", -1); |
| if (v != -1) { |
| cms.setMaxThreadCount(v); |
| } |
| v = config.get("concurrent.merge.scheduler.max.merge.count", -1); |
| if (v != -1) { |
| cms.setMaxMergeCount(v); |
| } |
| } |
| |
| final String mergePolicy = config.get("merge.policy", |
| "org.apache.lucene.index.LogByteSizeMergePolicy"); |
| try { |
| writer.setMergePolicy(Class.forName(mergePolicy).asSubclass(MergePolicy.class).newInstance()); |
| } catch (Exception e) { |
| throw new RuntimeException("unable to instantiate class '" + mergePolicy + "' as merge policy", e); |
| } |
| |
| writer.setUseCompoundFile(config.get("compound",true)); |
| writer.setMergeFactor(config.get("merge.factor",OpenIndexTask.DEFAULT_MERGE_PFACTOR)); |
| writer.setMaxFieldLength(config.get("max.field.length",OpenIndexTask.DEFAULT_MAX_FIELD_LENGTH)); |
| |
| final double ramBuffer = config.get("ram.flush.mb",OpenIndexTask.DEFAULT_RAM_FLUSH_MB); |
| final int maxBuffered = config.get("max.buffered",OpenIndexTask.DEFAULT_MAX_BUFFERED); |
| if (maxBuffered == IndexWriterConfig.DISABLE_AUTO_FLUSH) { |
| writer.setRAMBufferSizeMB(ramBuffer); |
| writer.setMaxBufferedDocs(maxBuffered); |
| } else { |
| writer.setMaxBufferedDocs(maxBuffered); |
| writer.setRAMBufferSizeMB(ramBuffer); |
| } |
| |
| String infoStreamVal = config.get("writer.info.stream", null); |
| if (infoStreamVal != null) { |
| if (infoStreamVal.equals("SystemOut")) { |
| writer.setInfoStream(System.out); |
| } else if (infoStreamVal.equals("SystemErr")) { |
| writer.setInfoStream(System.err); |
| } else { |
| File f = new File(infoStreamVal).getAbsoluteFile(); |
| writer.setInfoStream(new PrintStream(new BufferedOutputStream(new FileOutputStream(f)))); |
| } |
| } |
| } |
| |
| public static IndexDeletionPolicy getIndexDeletionPolicy(Config config) { |
| String deletionPolicyName = config.get("deletion.policy", "org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy"); |
| IndexDeletionPolicy indexDeletionPolicy = null; |
| RuntimeException err = null; |
| try { |
| indexDeletionPolicy = Class.forName(deletionPolicyName).asSubclass(IndexDeletionPolicy.class).newInstance(); |
| } catch (IllegalAccessException iae) { |
| err = new RuntimeException("unable to instantiate class '" + deletionPolicyName + "' as IndexDeletionPolicy"); |
| err.initCause(iae); |
| } catch (InstantiationException ie) { |
| err = new RuntimeException("unable to instantiate class '" + deletionPolicyName + "' as IndexDeletionPolicy"); |
| err.initCause(ie); |
| } catch (ClassNotFoundException cnfe) { |
| err = new RuntimeException("unable to load class '" + deletionPolicyName + "' as IndexDeletionPolicy"); |
| err.initCause(cnfe); |
| } |
| if (err != null) |
| throw err; |
| return indexDeletionPolicy; |
| } |
| |
| @Override |
| public int doLogic() throws IOException { |
| PerfRunData runData = getRunData(); |
| Config config = runData.getConfig(); |
| |
| IndexWriter writer = new IndexWriter(runData.getDirectory(), |
| new IndexWriterConfig(Version.LUCENE_31, runData.getAnalyzer()) |
| .setOpenMode(OpenMode.CREATE).setIndexDeletionPolicy( |
| getIndexDeletionPolicy(config))); |
| setIndexWriterConfig(writer, config); |
| runData.setIndexWriter(writer); |
| return 1; |
| } |
| } |