| /* |
| * 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 java.util.Arrays; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.tokenattributes.CharTermAttribute; |
| import org.apache.lucene.codecs.Codec; |
| import org.apache.lucene.codecs.compressing.CompressingCodec; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.FieldType; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.store.BaseDirectoryWrapper; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| import org.apache.lucene.util.LuceneTestCase.Monster; |
| import org.apache.lucene.util.LuceneTestCase.SuppressCodecs; |
| |
| /** |
| * Test indexes 2B docs with 65k freqs each, |
| * so you get > Integer.MAX_VALUE postings data for the term |
| * @lucene.experimental |
| */ |
| @SuppressCodecs({ "SimpleText", "Direct" }) |
| @Monster("takes ~20GB-30GB of space and 10 minutes") |
| public class Test2BPostingsBytes extends LuceneTestCase { |
| |
| public void test() throws Exception { |
| IndexWriterConfig defaultConfig = new IndexWriterConfig(null); |
| Codec defaultCodec = defaultConfig.getCodec(); |
| if ((new IndexWriterConfig(null)).getCodec() instanceof CompressingCodec) { |
| Pattern regex = Pattern.compile("maxDocsPerChunk=(\\d+), blockSize=(\\d+)"); |
| Matcher matcher = regex.matcher(defaultCodec.toString()); |
| assertTrue("Unexpected CompressingCodec toString() output: " + defaultCodec.toString(), matcher.find()); |
| int maxDocsPerChunk = Integer.parseInt(matcher.group(1)); |
| int blockSize = Integer.parseInt(matcher.group(2)); |
| int product = maxDocsPerChunk * blockSize; |
| assumeTrue(defaultCodec.getName() + " maxDocsPerChunk (" + maxDocsPerChunk |
| + ") * blockSize (" + blockSize + ") < 16 - this can trigger OOM with -Dtests.heapsize=30g", |
| product >= 16); |
| } |
| |
| BaseDirectoryWrapper dir = newFSDirectory(createTempDir("2BPostingsBytes1")); |
| if (dir instanceof MockDirectoryWrapper) { |
| ((MockDirectoryWrapper)dir).setThrottling(MockDirectoryWrapper.Throttling.NEVER); |
| } |
| |
| IndexWriter w = new IndexWriter(dir, |
| new IndexWriterConfig(new MockAnalyzer(random())) |
| .setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH) |
| .setRAMBufferSizeMB(256.0) |
| .setMergeScheduler(new ConcurrentMergeScheduler()) |
| .setMergePolicy(newLogMergePolicy(false, 10)) |
| .setOpenMode(IndexWriterConfig.OpenMode.CREATE) |
| .setCodec(TestUtil.getDefaultCodec())); |
| |
| MergePolicy mp = w.getConfig().getMergePolicy(); |
| if (mp instanceof LogByteSizeMergePolicy) { |
| // 1 petabyte: |
| ((LogByteSizeMergePolicy) mp).setMaxMergeMB(1024*1024*1024); |
| } |
| |
| Document doc = new Document(); |
| FieldType ft = new FieldType(TextField.TYPE_NOT_STORED); |
| ft.setIndexOptions(IndexOptions.DOCS_AND_FREQS); |
| ft.setOmitNorms(true); |
| MyTokenStream tokenStream = new MyTokenStream(); |
| Field field = new Field("field", tokenStream, ft); |
| doc.add(field); |
| |
| final int numDocs = 1000; |
| for (int i = 0; i < numDocs; i++) { |
| if (i % 2 == 1) { // trick blockPF's little optimization |
| tokenStream.n = 65536; |
| } else { |
| tokenStream.n = 65537; |
| } |
| w.addDocument(doc); |
| } |
| w.forceMerge(1); |
| w.close(); |
| |
| DirectoryReader oneThousand = DirectoryReader.open(dir); |
| DirectoryReader subReaders[] = new DirectoryReader[1000]; |
| Arrays.fill(subReaders, oneThousand); |
| BaseDirectoryWrapper dir2 = newFSDirectory(createTempDir("2BPostingsBytes2")); |
| if (dir2 instanceof MockDirectoryWrapper) { |
| ((MockDirectoryWrapper)dir2).setThrottling(MockDirectoryWrapper.Throttling.NEVER); |
| } |
| IndexWriter w2 = new IndexWriter(dir2, |
| new IndexWriterConfig(null)); |
| TestUtil.addIndexesSlowly(w2, subReaders); |
| w2.forceMerge(1); |
| w2.close(); |
| oneThousand.close(); |
| |
| DirectoryReader oneMillion = DirectoryReader.open(dir2); |
| subReaders = new DirectoryReader[2000]; |
| Arrays.fill(subReaders, oneMillion); |
| BaseDirectoryWrapper dir3 = newFSDirectory(createTempDir("2BPostingsBytes3")); |
| if (dir3 instanceof MockDirectoryWrapper) { |
| ((MockDirectoryWrapper)dir3).setThrottling(MockDirectoryWrapper.Throttling.NEVER); |
| } |
| IndexWriter w3 = new IndexWriter(dir3, |
| new IndexWriterConfig(null)); |
| TestUtil.addIndexesSlowly(w3, subReaders); |
| w3.forceMerge(1); |
| w3.close(); |
| oneMillion.close(); |
| |
| dir.close(); |
| dir2.close(); |
| dir3.close(); |
| } |
| |
| public static final class MyTokenStream extends TokenStream { |
| private final CharTermAttribute termAtt = addAttribute(CharTermAttribute.class); |
| int index; |
| int n; |
| |
| @Override |
| public boolean incrementToken() { |
| if (index < n) { |
| clearAttributes(); |
| termAtt.buffer()[0] = 'a'; |
| termAtt.setLength(1); |
| index++; |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public void reset() { |
| index = 0; |
| } |
| } |
| } |