/*
* 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.io.IOException;
import java.util.HashSet;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.codecs.DocValuesFormat;
import org.apache.lucene.codecs.asserting.AssertingCodec;
import org.apache.lucene.codecs.asserting.AssertingDocValuesFormat;
import org.apache.lucene.document.BinaryDocValuesField;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.NumericDocValuesField;
import org.apache.lucene.document.SortedDocValuesField;
import org.apache.lucene.document.SortedSetDocValuesField;
import org.apache.lucene.document.StringField;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.NRTCachingDirectory;
import org.apache.lucene.util.Bits;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.IOUtils;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.TestUtil;
import org.junit.Test;
import com.carrotsearch.randomizedtesting.generators.RandomPicks;
import static org.apache.lucene.search.DocIdSetIterator.NO_MORE_DOCS;
public class TestBinaryDocValuesUpdates extends LuceneTestCase {
static long getValue(BinaryDocValues bdv) throws IOException {
BytesRef term = bdv.binaryValue();
int idx = term.offset;
assert term.length > 0;
byte b = term.bytes[idx++];
long value = b & 0x7FL;
for (int shift = 7; (b & 0x80L) != 0; shift += 7) {
b = term.bytes[idx++];
value |= (b & 0x7FL) << shift;
}
return value;
}
// encodes a long into a BytesRef as VLong so that we get varying number of bytes when we update
static BytesRef toBytes(long value) {
// long orig = value;
BytesRef bytes = new BytesRef(10); // negative longs may take 10 bytes
while ((value & ~0x7FL) != 0L) {
bytes.bytes[bytes.length++] = (byte) ((value & 0x7FL) | 0x80L);
value >>>= 7;
}
bytes.bytes[bytes.length++] = (byte) value;
// System.err.println("[" + Thread.currentThread().getName() + "] value=" + orig + ", bytes=" + bytes);
return bytes;
}
private Document doc(int id) {
Document doc = new Document();
doc.add(new StringField("id", "doc-" + id, Store.NO));
doc.add(new BinaryDocValuesField("val", toBytes(id + 1)));
return doc;
}
public void testUpdatesAreFlushed() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(new MockAnalyzer(random(), MockTokenizer.WHITESPACE, false))
.setRAMBufferSizeMB(0.00000001));
writer.addDocument(doc(0)); // val=1
writer.addDocument(doc(1)); // val=2
writer.addDocument(doc(3)); // val=2
writer.commit();
assertEquals(1, writer.getFlushDeletesCount());
writer.updateBinaryDocValue(new Term("id", "doc-0"), "val", toBytes(5));
assertEquals(2, writer.getFlushDeletesCount());
writer.updateBinaryDocValue(new Term("id", "doc-1"), "val", toBytes(6));
assertEquals(3, writer.getFlushDeletesCount());
writer.updateBinaryDocValue(new Term("id", "doc-2"), "val", toBytes(7));
assertEquals(4, writer.getFlushDeletesCount());
writer.getConfig().setRAMBufferSizeMB(1000d);
writer.updateBinaryDocValue(new Term("id", "doc-2"), "val", toBytes(7));
assertEquals(4, writer.getFlushDeletesCount());
writer.close();
dir.close();
}
public void testSimple() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
// make sure random config doesn't flush on us
conf.setMaxBufferedDocs(10);
conf.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
IndexWriter writer = new IndexWriter(dir, conf);
writer.addDocument(doc(0)); // val=1
writer.addDocument(doc(1)); // val=2
if (random().nextBoolean()) { // randomly commit before the update is sent
writer.commit();
}
writer.updateBinaryDocValue(new Term("id", "doc-0"), "val", toBytes(2)); // doc=0, exp=2
final DirectoryReader reader;
if (random().nextBoolean()) { // not NRT
writer.close();
reader = DirectoryReader.open(dir);
} else { // NRT
reader = DirectoryReader.open(writer);
writer.close();
}
assertEquals(1, reader.leaves().size());
LeafReader r = reader.leaves().get(0).reader();
BinaryDocValues bdv = r.getBinaryDocValues("val");
assertEquals(0, bdv.nextDoc());
assertEquals(2, getValue(bdv));
assertEquals(1, bdv.nextDoc());
assertEquals(2, getValue(bdv));
reader.close();
dir.close();
}
public void testUpdateFewSegments() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMaxBufferedDocs(2); // generate few segments
conf.setMergePolicy(NoMergePolicy.INSTANCE); // prevent merges for this test
IndexWriter writer = new IndexWriter(dir, conf);
int numDocs = 10;
long[] expectedValues = new long[numDocs];
for (int i = 0; i < numDocs; i++) {
writer.addDocument(doc(i));
expectedValues[i] = i + 1;
}
writer.commit();
// update few docs
for (int i = 0; i < numDocs; i++) {
if (random().nextDouble() < 0.4) {
long value = (i + 1) * 2;
writer.updateBinaryDocValue(new Term("id", "doc-" + i), "val", toBytes(value));
expectedValues[i] = value;
}
}
final DirectoryReader reader;
if (random().nextBoolean()) { // not NRT
writer.close();
reader = DirectoryReader.open(dir);
} else { // NRT
reader = DirectoryReader.open(writer);
writer.close();
}
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
BinaryDocValues bdv = r.getBinaryDocValues("val");
assertNotNull(bdv);
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
long expected = expectedValues[i + context.docBase];
long actual = getValue(bdv);
assertEquals(expected, actual);
}
}
reader.close();
dir.close();
}
public void testReopen() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
writer.addDocument(doc(0));
writer.addDocument(doc(1));
final boolean isNRT = random().nextBoolean();
final DirectoryReader reader1;
if (isNRT) {
reader1 = DirectoryReader.open(writer);
} else {
writer.commit();
reader1 = DirectoryReader.open(dir);
}
// update doc
writer.updateBinaryDocValue(new Term("id", "doc-0"), "val", toBytes(10)); // update doc-0's value to 10
if (!isNRT) {
writer.commit();
}
// reopen reader and assert only it sees the update
final DirectoryReader reader2 = DirectoryReader.openIfChanged(reader1);
assertNotNull(reader2);
assertTrue(reader1 != reader2);
BinaryDocValues bdv1 = reader1.leaves().get(0).reader().getBinaryDocValues("val");
BinaryDocValues bdv2 = reader2.leaves().get(0).reader().getBinaryDocValues("val");
assertEquals(0, bdv1.nextDoc());
assertEquals(1, getValue(bdv1));
assertEquals(0, bdv2.nextDoc());
assertEquals(10, getValue(bdv2));
writer.close();
IOUtils.close(reader1, reader2, dir);
}
public void testUpdatesAndDeletes() throws Exception {
// create an index with a segment with only deletes, a segment with both
// deletes and updates and a segment with only updates
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMaxBufferedDocs(10); // control segment flushing
conf.setMergePolicy(NoMergePolicy.INSTANCE); // prevent merges for this test
IndexWriter writer = new IndexWriter(dir, conf);
for (int i = 0; i < 6; i++) {
writer.addDocument(doc(i));
if (i % 2 == 1) {
writer.commit(); // create 2-docs segments
}
}
// delete doc-1 and doc-2
writer.deleteDocuments(new Term("id", "doc-1"), new Term("id", "doc-2")); // 1st and 2nd segments
// update docs 3 and 5
writer.updateBinaryDocValue(new Term("id", "doc-3"), "val", toBytes(17L));
writer.updateBinaryDocValue(new Term("id", "doc-5"), "val", toBytes(17L));
final DirectoryReader reader;
if (random().nextBoolean()) { // not NRT
writer.close();
reader = DirectoryReader.open(dir);
} else { // NRT
reader = DirectoryReader.open(writer);
writer.close();
}
Bits liveDocs = MultiFields.getLiveDocs(reader);
boolean[] expectedLiveDocs = new boolean[] { true, false, false, true, true, true };
for (int i = 0; i < expectedLiveDocs.length; i++) {
assertEquals(expectedLiveDocs[i], liveDocs.get(i));
}
long[] expectedValues = new long[] { 1, 2, 3, 17, 5, 17};
BinaryDocValues bdv = MultiDocValues.getBinaryValues(reader, "val");
for (int i = 0; i < expectedValues.length; i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(expectedValues[i], getValue(bdv));
}
reader.close();
dir.close();
}
public void testUpdatesWithDeletes() throws Exception {
// update and delete different documents in the same commit session
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMaxBufferedDocs(10); // control segment flushing
IndexWriter writer = new IndexWriter(dir, conf);
writer.addDocument(doc(0));
writer.addDocument(doc(1));
if (random().nextBoolean()) {
writer.commit();
}
writer.deleteDocuments(new Term("id", "doc-0"));
writer.updateBinaryDocValue(new Term("id", "doc-1"), "val", toBytes(17L));
final DirectoryReader reader;
if (random().nextBoolean()) { // not NRT
writer.close();
reader = DirectoryReader.open(dir);
} else { // NRT
reader = DirectoryReader.open(writer);
writer.close();
}
LeafReader r = reader.leaves().get(0).reader();
assertFalse(r.getLiveDocs().get(0));
BinaryDocValues bdv = r.getBinaryDocValues("val");
assertEquals(1, bdv.advance(1));
assertEquals(17, getValue(bdv));
reader.close();
dir.close();
}
public void testMultipleDocValuesTypes() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMaxBufferedDocs(10); // prevent merges
IndexWriter writer = new IndexWriter(dir, conf);
for (int i = 0; i < 4; i++) {
Document doc = new Document();
doc.add(new StringField("dvUpdateKey", "dv", Store.NO));
doc.add(new NumericDocValuesField("ndv", i));
doc.add(new BinaryDocValuesField("bdv", new BytesRef(Integer.toString(i))));
doc.add(new SortedDocValuesField("sdv", new BytesRef(Integer.toString(i))));
doc.add(new SortedSetDocValuesField("ssdv", new BytesRef(Integer.toString(i))));
doc.add(new SortedSetDocValuesField("ssdv", new BytesRef(Integer.toString(i * 2))));
writer.addDocument(doc);
}
writer.commit();
// update all docs' bdv field
writer.updateBinaryDocValue(new Term("dvUpdateKey", "dv"), "bdv", toBytes(17L));
writer.close();
final DirectoryReader reader = DirectoryReader.open(dir);
LeafReader r = reader.leaves().get(0).reader();
NumericDocValues ndv = r.getNumericDocValues("ndv");
BinaryDocValues bdv = r.getBinaryDocValues("bdv");
SortedDocValues sdv = r.getSortedDocValues("sdv");
SortedSetDocValues ssdv = r.getSortedSetDocValues("ssdv");
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, ndv.nextDoc());
assertEquals(i, ndv.longValue());
assertEquals(i, bdv.nextDoc());
assertEquals(17, getValue(bdv));
assertEquals(i, sdv.nextDoc());
BytesRef term = sdv.binaryValue();
assertEquals(new BytesRef(Integer.toString(i)), term);
assertEquals(i, ssdv.nextDoc());
long ord = ssdv.nextOrd();
term = ssdv.lookupOrd(ord);
assertEquals(i, Integer.parseInt(term.utf8ToString()));
// For the i=0 case, we added the same value twice, which was dedup'd by IndexWriter so it has only one value:
if (i != 0) {
ord = ssdv.nextOrd();
term = ssdv.lookupOrd(ord);
assertEquals(i * 2, Integer.parseInt(term.utf8ToString()));
}
assertEquals(SortedSetDocValues.NO_MORE_ORDS, ssdv.nextOrd());
}
reader.close();
dir.close();
}
public void testMultipleBinaryDocValues() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMaxBufferedDocs(10); // prevent merges
IndexWriter writer = new IndexWriter(dir, conf);
for (int i = 0; i < 2; i++) {
Document doc = new Document();
doc.add(new StringField("dvUpdateKey", "dv", Store.NO));
doc.add(new BinaryDocValuesField("bdv1", toBytes(i)));
doc.add(new BinaryDocValuesField("bdv2", toBytes(i)));
writer.addDocument(doc);
}
writer.commit();
// update all docs' bdv1 field
writer.updateBinaryDocValue(new Term("dvUpdateKey", "dv"), "bdv1", toBytes(17L));
writer.close();
final DirectoryReader reader = DirectoryReader.open(dir);
LeafReader r = reader.leaves().get(0).reader();
BinaryDocValues bdv1 = r.getBinaryDocValues("bdv1");
BinaryDocValues bdv2 = r.getBinaryDocValues("bdv2");
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, bdv1.nextDoc());
assertEquals(17, getValue(bdv1));
assertEquals(i, bdv2.nextDoc());
assertEquals(i, getValue(bdv2));
}
reader.close();
dir.close();
}
public void testDocumentWithNoValue() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
for (int i = 0; i < 2; i++) {
Document doc = new Document();
doc.add(new StringField("dvUpdateKey", "dv", Store.NO));
if (i == 0) { // index only one document with value
doc.add(new BinaryDocValuesField("bdv", toBytes(5L)));
}
writer.addDocument(doc);
}
writer.commit();
// update all docs' bdv field
writer.updateBinaryDocValue(new Term("dvUpdateKey", "dv"), "bdv", toBytes(17L));
writer.close();
final DirectoryReader reader = DirectoryReader.open(dir);
LeafReader r = reader.leaves().get(0).reader();
BinaryDocValues bdv = r.getBinaryDocValues("bdv");
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(17, getValue(bdv));
}
reader.close();
dir.close();
}
public void testUpdateNonBinaryDocValuesField() throws Exception {
// we don't support adding new fields or updating existing non-binary-dv
// fields through binary updates
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("key", "doc", Store.NO));
doc.add(new StringField("foo", "bar", Store.NO));
writer.addDocument(doc); // flushed document
writer.commit();
writer.addDocument(doc); // in-memory document
expectThrows(IllegalArgumentException.class, () -> {
writer.updateBinaryDocValue(new Term("key", "doc"), "bdv", toBytes(17L));
});
expectThrows(IllegalArgumentException.class, () -> {
writer.updateBinaryDocValue(new Term("key", "doc"), "foo", toBytes(17L));
});
writer.close();
dir.close();
}
public void testDifferentDVFormatPerField() throws Exception {
// test relies on separate instances of "same thing"
assert TestUtil.getDefaultDocValuesFormat() != TestUtil.getDefaultDocValuesFormat();
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setCodec(new AssertingCodec() {
@Override
public DocValuesFormat getDocValuesFormatForField(String field) {
return TestUtil.getDefaultDocValuesFormat();
}
});
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("key", "doc", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(5L)));
doc.add(new SortedDocValuesField("sorted", new BytesRef("value")));
writer.addDocument(doc); // flushed document
writer.commit();
writer.addDocument(doc); // in-memory document
writer.updateBinaryDocValue(new Term("key", "doc"), "bdv", toBytes(17L));
writer.close();
final DirectoryReader reader = DirectoryReader.open(dir);
BinaryDocValues bdv = MultiDocValues.getBinaryValues(reader, "bdv");
SortedDocValues sdv = MultiDocValues.getSortedValues(reader, "sorted");
for (int i = 0; i < reader.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(17, getValue(bdv));
assertEquals(i, sdv.nextDoc());
BytesRef term = sdv.binaryValue();
assertEquals(new BytesRef("value"), term);
}
reader.close();
dir.close();
}
public void testUpdateSameDocMultipleTimes() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("key", "doc", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(5L)));
writer.addDocument(doc); // flushed document
writer.commit();
writer.addDocument(doc); // in-memory document
writer.updateBinaryDocValue(new Term("key", "doc"), "bdv", toBytes(17L)); // update existing field
writer.updateBinaryDocValue(new Term("key", "doc"), "bdv", toBytes(3L)); // update existing field 2nd time in this commit
writer.close();
final DirectoryReader reader = DirectoryReader.open(dir);
BinaryDocValues bdv = MultiDocValues.getBinaryValues(reader, "bdv");
for (int i = 0; i < reader.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(3, getValue(bdv));
}
reader.close();
dir.close();
}
public void testSegmentMerges() throws Exception {
Directory dir = newDirectory();
Random random = random();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random));
IndexWriter writer = new IndexWriter(dir, conf);
int docid = 0;
int numRounds = atLeast(10);
for (int rnd = 0; rnd < numRounds; rnd++) {
Document doc = new Document();
doc.add(new StringField("key", "doc", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(-1)));
int numDocs = atLeast(30);
for (int i = 0; i < numDocs; i++) {
doc.removeField("id");
doc.add(new StringField("id", Integer.toString(docid++), Store.NO));
writer.addDocument(doc);
}
long value = rnd + 1;
writer.updateBinaryDocValue(new Term("key", "doc"), "bdv", toBytes(value));
if (random.nextDouble() < 0.2) { // randomly delete some docs
writer.deleteDocuments(new Term("id", Integer.toString(random.nextInt(docid))));
}
// randomly commit or reopen-IW (or nothing), before forceMerge
if (random.nextDouble() < 0.4) {
writer.commit();
} else if (random.nextDouble() < 0.1) {
writer.close();
conf = newIndexWriterConfig(new MockAnalyzer(random));
writer = new IndexWriter(dir, conf);
}
// add another document with the current value, to be sure forceMerge has
// something to merge (for instance, it could be that CMS finished merging
// all segments down to 1 before the delete was applied, so when
// forceMerge is called, the index will be with one segment and deletes
// and some MPs might now merge it, thereby invalidating test's
// assumption that the reader has no deletes).
doc = new Document();
doc.add(new StringField("id", Integer.toString(docid++), Store.NO));
doc.add(new StringField("key", "doc", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(value)));
writer.addDocument(doc);
writer.forceMerge(1, true);
final DirectoryReader reader;
if (random.nextBoolean()) {
writer.commit();
reader = DirectoryReader.open(dir);
} else {
reader = DirectoryReader.open(writer);
}
assertEquals(1, reader.leaves().size());
final LeafReader r = reader.leaves().get(0).reader();
assertNull("index should have no deletes after forceMerge", r.getLiveDocs());
BinaryDocValues bdv = r.getBinaryDocValues("bdv");
assertNotNull(bdv);
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(value, getValue(bdv));
}
reader.close();
}
writer.close();
dir.close();
}
public void testUpdateDocumentByMultipleTerms() throws Exception {
// make sure the order of updates is respected, even when multiple terms affect same document
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("k1", "v1", Store.NO));
doc.add(new StringField("k2", "v2", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(5L)));
writer.addDocument(doc); // flushed document
writer.commit();
writer.addDocument(doc); // in-memory document
writer.updateBinaryDocValue(new Term("k1", "v1"), "bdv", toBytes(17L));
writer.updateBinaryDocValue(new Term("k2", "v2"), "bdv", toBytes(3L));
writer.close();
final DirectoryReader reader = DirectoryReader.open(dir);
BinaryDocValues bdv = MultiDocValues.getBinaryValues(reader, "bdv");
for (int i = 0; i < reader.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(3, getValue(bdv));
}
reader.close();
dir.close();
}
public void testManyReopensAndFields() throws Exception {
Directory dir = newDirectory();
final Random random = random();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random));
LogMergePolicy lmp = newLogMergePolicy();
lmp.setMergeFactor(3); // merge often
conf.setMergePolicy(lmp);
IndexWriter writer = new IndexWriter(dir, conf);
final boolean isNRT = random.nextBoolean();
DirectoryReader reader;
if (isNRT) {
reader = DirectoryReader.open(writer);
} else {
writer.commit();
reader = DirectoryReader.open(dir);
}
//System.out.println("TEST: isNRT=" + isNRT);
final int numFields = random.nextInt(4) + 3; // 3-7
final long[] fieldValues = new long[numFields];
for (int i = 0; i < fieldValues.length; i++) {
fieldValues[i] = 1;
}
int numRounds = atLeast(15);
int docID = 0;
for (int i = 0; i < numRounds; i++) {
int numDocs = atLeast(5);
//System.out.println("[" + Thread.currentThread().getName() + "]: round=" + i + ", numDocs=" + numDocs);
for (int j = 0; j < numDocs; j++) {
Document doc = new Document();
doc.add(new StringField("id", "doc-" + docID, Store.NO));
doc.add(new StringField("key", "all", Store.NO)); // update key
// add all fields with their current value
for (int f = 0; f < fieldValues.length; f++) {
doc.add(new BinaryDocValuesField("f" + f, toBytes(fieldValues[f])));
}
writer.addDocument(doc);
++docID;
}
int fieldIdx = random.nextInt(fieldValues.length);
String updateField = "f" + fieldIdx;
// System.out.println("[" + Thread.currentThread().getName() + "]: updated field '" + updateField + "' to value " + fieldValues[fieldIdx]);
writer.updateBinaryDocValue(new Term("key", "all"), updateField, toBytes(++fieldValues[fieldIdx]));
if (random.nextDouble() < 0.2) {
int deleteDoc = random.nextInt(docID); // might also delete an already deleted document, ok!
writer.deleteDocuments(new Term("id", "doc-" + deleteDoc));
// System.out.println("[" + Thread.currentThread().getName() + "]: deleted document: doc-" + deleteDoc);
}
// verify reader
if (!isNRT) {
writer.commit();
}
// System.out.println("[" + Thread.currentThread().getName() + "]: reopen reader: " + reader);
DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
assertNotNull(newReader);
reader.close();
reader = newReader;
// System.out.println("[" + Thread.currentThread().getName() + "]: reopened reader: " + reader);
assertTrue(reader.numDocs() > 0); // we delete at most one document per round
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
// System.out.println(((SegmentReader) r).getSegmentName());
Bits liveDocs = r.getLiveDocs();
for (int field = 0; field < fieldValues.length; field++) {
String f = "f" + field;
BinaryDocValues bdv = r.getBinaryDocValues(f);
assertNotNull(bdv);
int maxDoc = r.maxDoc();
for (int doc = 0; doc < maxDoc; doc++) {
if (liveDocs == null || liveDocs.get(doc)) {
assertEquals(doc, bdv.advance(doc));
assertEquals("invalid value for doc=" + doc + ", field=" + f + ", reader=" + r, fieldValues[field], getValue(bdv));
}
}
}
}
// System.out.println();
}
writer.close();
IOUtils.close(reader, dir);
}
public void testUpdateSegmentWithNoDocValues() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
// prevent merges, otherwise by the time updates are applied
// (writer.close()), the segments might have merged and that update becomes
// legit.
conf.setMergePolicy(NoMergePolicy.INSTANCE);
IndexWriter writer = new IndexWriter(dir, conf);
// first segment with BDV
Document doc = new Document();
doc.add(new StringField("id", "doc0", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(3L)));
writer.addDocument(doc);
doc = new Document();
doc.add(new StringField("id", "doc4", Store.NO)); // document without 'bdv' field
writer.addDocument(doc);
writer.commit();
// second segment with no BDV
doc = new Document();
doc.add(new StringField("id", "doc1", Store.NO));
writer.addDocument(doc);
doc = new Document();
doc.add(new StringField("id", "doc2", Store.NO)); // document that isn't updated
writer.addDocument(doc);
writer.commit();
// update document in the first segment - should not affect docsWithField of
// the document without BDV field
writer.updateBinaryDocValue(new Term("id", "doc0"), "bdv", toBytes(5L));
// update document in the second segment - field should be added and we should
// be able to handle the other document correctly (e.g. no NPE)
writer.updateBinaryDocValue(new Term("id", "doc1"), "bdv", toBytes(5L));
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
BinaryDocValues bdv = r.getBinaryDocValues("bdv");
assertEquals(0, bdv.nextDoc());
assertEquals(5L, getValue(bdv));
assertEquals(NO_MORE_DOCS, bdv.nextDoc());
}
reader.close();
dir.close();
}
public void testUpdateSegmentWithPostingButNoDocValues() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
// prevent merges, otherwise by the time updates are applied
// (writer.close()), the segments might have merged and that update becomes
// legit.
conf.setMergePolicy(NoMergePolicy.INSTANCE);
IndexWriter writer = new IndexWriter(dir, conf);
// first segment with BDV
Document doc = new Document();
doc.add(new StringField("id", "doc0", Store.NO));
doc.add(new StringField("bdv", "mock-value", Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(5L)));
writer.addDocument(doc);
writer.commit();
// second segment with no BDV
doc = new Document();
doc.add(new StringField("id", "doc1", Store.NO));
doc.add(new StringField("bdv", "mock-value", Store.NO));
writer.addDocument(doc);
writer.commit();
// update document in the second segment
writer.updateBinaryDocValue(new Term("id", "doc1"), "bdv", toBytes(5L));
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
BinaryDocValues bdv = r.getBinaryDocValues("bdv");
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(5L, getValue(bdv));
}
}
reader.close();
dir.close();
}
public void testUpdateBinaryDVFieldWithSameNameAsPostingField() throws Exception {
// this used to fail because FieldInfos.Builder neglected to update
// globalFieldMaps.docValuesTypes map
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("f", "mock-value", Store.NO));
doc.add(new BinaryDocValuesField("f", toBytes(5L)));
writer.addDocument(doc);
writer.commit();
writer.updateBinaryDocValue(new Term("f", "mock-value"), "f", toBytes(17L));
writer.close();
DirectoryReader r = DirectoryReader.open(dir);
BinaryDocValues bdv = r.leaves().get(0).reader().getBinaryDocValues("f");
assertEquals(0, bdv.nextDoc());
assertEquals(17, getValue(bdv));
r.close();
dir.close();
}
public void testStressMultiThreading() throws Exception {
final Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
final IndexWriter writer = new IndexWriter(dir, conf);
// create index
final int numFields = TestUtil.nextInt(random(), 1, 4);
final int numDocs = atLeast(2000);
for (int i = 0; i < numDocs; i++) {
Document doc = new Document();
doc.add(new StringField("id", "doc" + i, Store.NO));
double group = random().nextDouble();
String g;
if (group < 0.1) g = "g0";
else if (group < 0.5) g = "g1";
else if (group < 0.8) g = "g2";
else g = "g3";
doc.add(new StringField("updKey", g, Store.NO));
for (int j = 0; j < numFields; j++) {
long value = random().nextInt();
doc.add(new BinaryDocValuesField("f" + j, toBytes(value)));
doc.add(new BinaryDocValuesField("cf" + j, toBytes(value * 2))); // control, always updated to f * 2
}
writer.addDocument(doc);
}
final int numThreads = TestUtil.nextInt(random(), 3, 6);
final CountDownLatch done = new CountDownLatch(numThreads);
final AtomicInteger numUpdates = new AtomicInteger(atLeast(100));
// same thread updates a field as well as reopens
Thread[] threads = new Thread[numThreads];
for (int i = 0; i < threads.length; i++) {
threads[i] = new Thread("UpdateThread-" + i) {
@Override
public void run() {
DirectoryReader reader = null;
boolean success = false;
try {
Random random = random();
while (numUpdates.getAndDecrement() > 0) {
double group = random.nextDouble();
Term t;
if (group < 0.1) t = new Term("updKey", "g0");
else if (group < 0.5) t = new Term("updKey", "g1");
else if (group < 0.8) t = new Term("updKey", "g2");
else t = new Term("updKey", "g3");
final int field = random().nextInt(numFields);
final String f = "f" + field;
final String cf = "cf" + field;
// System.out.println("[" + Thread.currentThread().getName() + "] numUpdates=" + numUpdates + " updateTerm=" + t + " field=" + field);
long updValue = random.nextInt();
writer.updateDocValues(t, new BinaryDocValuesField(f, toBytes(updValue)), new BinaryDocValuesField(cf, toBytes(updValue*2)));
if (random.nextDouble() < 0.2) {
// delete a random document
int doc = random.nextInt(numDocs);
// System.out.println("[" + Thread.currentThread().getName() + "] deleteDoc=doc" + doc);
writer.deleteDocuments(new Term("id", "doc" + doc));
}
if (random.nextDouble() < 0.05) { // commit every 20 updates on average
// System.out.println("[" + Thread.currentThread().getName() + "] commit");
writer.commit();
}
if (random.nextDouble() < 0.1) { // reopen NRT reader (apply updates), on average once every 10 updates
if (reader == null) {
// System.out.println("[" + Thread.currentThread().getName() + "] open NRT");
reader = DirectoryReader.open(writer);
} else {
// System.out.println("[" + Thread.currentThread().getName() + "] reopen NRT");
DirectoryReader r2 = DirectoryReader.openIfChanged(reader, writer);
if (r2 != null) {
reader.close();
reader = r2;
}
}
}
}
// System.out.println("[" + Thread.currentThread().getName() + "] DONE");
success = true;
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
if (success) { // suppress this exception only if there was another exception
throw new RuntimeException(e);
}
}
}
done.countDown();
}
}
};
}
for (Thread t : threads) t.start();
done.await();
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
for (int i = 0; i < numFields; i++) {
BinaryDocValues bdv = r.getBinaryDocValues("f" + i);
BinaryDocValues control = r.getBinaryDocValues("cf" + i);
Bits liveDocs = r.getLiveDocs();
for (int j = 0; j < r.maxDoc(); j++) {
if (liveDocs == null || liveDocs.get(j)) {
assertEquals(j, bdv.advance(j));
assertEquals(j, control.advance(j));
assertEquals(getValue(control), getValue(bdv) * 2);
}
}
}
}
reader.close();
dir.close();
}
public void testUpdateDifferentDocsInDifferentGens() throws Exception {
// update same document multiple times across generations
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMaxBufferedDocs(4);
IndexWriter writer = new IndexWriter(dir, conf);
final int numDocs = atLeast(10);
for (int i = 0; i < numDocs; i++) {
Document doc = new Document();
doc.add(new StringField("id", "doc" + i, Store.NO));
long value = random().nextInt();
doc.add(new BinaryDocValuesField("f", toBytes(value)));
doc.add(new BinaryDocValuesField("cf", toBytes(value * 2)));
writer.addDocument(doc);
}
int numGens = atLeast(5);
for (int i = 0; i < numGens; i++) {
int doc = random().nextInt(numDocs);
Term t = new Term("id", "doc" + doc);
long value = random().nextLong();
writer.updateDocValues(t, new BinaryDocValuesField("f", toBytes(value)), new BinaryDocValuesField("cf", toBytes(value*2)));
DirectoryReader reader = DirectoryReader.open(writer);
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
BinaryDocValues fbdv = r.getBinaryDocValues("f");
BinaryDocValues cfbdv = r.getBinaryDocValues("cf");
for (int j = 0; j < r.maxDoc(); j++) {
assertEquals(j, fbdv.nextDoc());
assertEquals(j, cfbdv.nextDoc());
assertEquals(getValue(cfbdv), getValue(fbdv) * 2);
}
}
reader.close();
}
writer.close();
dir.close();
}
public void testChangeCodec() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMergePolicy(NoMergePolicy.INSTANCE); // disable merges to simplify test assertions.
conf.setCodec(new AssertingCodec() {
@Override
public DocValuesFormat getDocValuesFormatForField(String field) {
return TestUtil.getDefaultDocValuesFormat();
}
});
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("id", "d0", Store.NO));
doc.add(new BinaryDocValuesField("f1", toBytes(5L)));
doc.add(new BinaryDocValuesField("f2", toBytes(13L)));
writer.addDocument(doc);
writer.close();
// change format
conf = newIndexWriterConfig(new MockAnalyzer(random()));
conf.setMergePolicy(NoMergePolicy.INSTANCE); // disable merges to simplify test assertions.
conf.setCodec(new AssertingCodec() {
@Override
public DocValuesFormat getDocValuesFormatForField(String field) {
return new AssertingDocValuesFormat();
}
});
writer = new IndexWriter(dir, conf);
doc = new Document();
doc.add(new StringField("id", "d1", Store.NO));
doc.add(new BinaryDocValuesField("f1", toBytes(17L)));
doc.add(new BinaryDocValuesField("f2", toBytes(2L)));
writer.addDocument(doc);
writer.updateBinaryDocValue(new Term("id", "d0"), "f1", toBytes(12L));
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
BinaryDocValues f1 = MultiDocValues.getBinaryValues(reader, "f1");
BinaryDocValues f2 = MultiDocValues.getBinaryValues(reader, "f2");
assertEquals(0, f1.nextDoc());
assertEquals(0, f2.nextDoc());
assertEquals(12L, getValue(f1));
assertEquals(13L, getValue(f2));
assertEquals(1, f1.nextDoc());
assertEquals(1, f2.nextDoc());
assertEquals(17L, getValue(f1));
assertEquals(2L, getValue(f2));
reader.close();
dir.close();
}
public void testAddIndexes() throws Exception {
Directory dir1 = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir1, conf);
final int numDocs = atLeast(50);
final int numTerms = TestUtil.nextInt(random(), 1, numDocs / 5);
Set<String> randomTerms = new HashSet<>();
while (randomTerms.size() < numTerms) {
randomTerms.add(TestUtil.randomSimpleString(random()));
}
// create first index
for (int i = 0; i < numDocs; i++) {
Document doc = new Document();
doc.add(new StringField("id", RandomPicks.randomFrom(random(), randomTerms), Store.NO));
doc.add(new BinaryDocValuesField("bdv", toBytes(4L)));
doc.add(new BinaryDocValuesField("control", toBytes(8L)));
writer.addDocument(doc);
}
if (random().nextBoolean()) {
writer.commit();
}
// update some docs to a random value
long value = random().nextInt();
Term term = new Term("id", RandomPicks.randomFrom(random(), randomTerms));
writer.updateDocValues(term, new BinaryDocValuesField("bdv", toBytes(value)), new BinaryDocValuesField("control", toBytes(value * 2)));
writer.close();
Directory dir2 = newDirectory();
conf = newIndexWriterConfig(new MockAnalyzer(random()));
writer = new IndexWriter(dir2, conf);
if (random().nextBoolean()) {
writer.addIndexes(dir1);
} else {
DirectoryReader reader = DirectoryReader.open(dir1);
TestUtil.addIndexesSlowly(writer, reader);
reader.close();
}
writer.close();
DirectoryReader reader = DirectoryReader.open(dir2);
for (LeafReaderContext context : reader.leaves()) {
LeafReader r = context.reader();
BinaryDocValues bdv = r.getBinaryDocValues("bdv");
BinaryDocValues control = r.getBinaryDocValues("control");
for (int i = 0; i < r.maxDoc(); i++) {
assertEquals(i, bdv.nextDoc());
assertEquals(i, control.nextDoc());
assertEquals(getValue(bdv)*2, getValue(control));
}
}
reader.close();
IOUtils.close(dir1, dir2);
}
public void testDeleteUnusedUpdatesFiles() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("id", "d0", Store.NO));
doc.add(new BinaryDocValuesField("f1", toBytes(1L)));
doc.add(new BinaryDocValuesField("f2", toBytes(1L)));
writer.addDocument(doc);
// update each field twice to make sure all unneeded files are deleted
for (String f : new String[] { "f1", "f2" }) {
writer.updateBinaryDocValue(new Term("id", "d0"), f, toBytes(2L));
writer.commit();
int numFiles = dir.listAll().length;
// update again, number of files shouldn't change (old field's gen is
// removed)
writer.updateBinaryDocValue(new Term("id", "d0"), f, toBytes(3L));
writer.commit();
assertEquals(numFiles, dir.listAll().length);
}
writer.close();
dir.close();
}
@Nightly
public void testTonsOfUpdates() throws Exception {
// LUCENE-5248: make sure that when there are many updates, we don't use too much RAM
Directory dir = newDirectory();
final Random random = random();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random));
conf.setRAMBufferSizeMB(IndexWriterConfig.DEFAULT_RAM_BUFFER_SIZE_MB);
conf.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH); // don't flush by doc
IndexWriter writer = new IndexWriter(dir, conf);
// test data: lots of documents (few 10Ks) and lots of update terms (few hundreds)
final int numDocs = atLeast(20000);
final int numBinaryFields = atLeast(5);
final int numTerms = TestUtil.nextInt(random, 10, 100); // terms should affect many docs
Set<String> updateTerms = new HashSet<>();
while (updateTerms.size() < numTerms) {
updateTerms.add(TestUtil.randomSimpleString(random));
}
// System.out.println("numDocs=" + numDocs + " numBinaryFields=" + numBinaryFields + " numTerms=" + numTerms);
// build a large index with many BDV fields and update terms
for (int i = 0; i < numDocs; i++) {
Document doc = new Document();
int numUpdateTerms = TestUtil.nextInt(random, 1, numTerms / 10);
for (int j = 0; j < numUpdateTerms; j++) {
doc.add(new StringField("upd", RandomPicks.randomFrom(random, updateTerms), Store.NO));
}
for (int j = 0; j < numBinaryFields; j++) {
long val = random.nextInt();
doc.add(new BinaryDocValuesField("f" + j, toBytes(val)));
doc.add(new BinaryDocValuesField("cf" + j, toBytes(val * 2)));
}
writer.addDocument(doc);
}
writer.commit(); // commit so there's something to apply to
// set to flush every 2048 bytes (approximately every 12 updates), so we get
// many flushes during binary updates
writer.getConfig().setRAMBufferSizeMB(2048.0 / 1024 / 1024);
final int numUpdates = atLeast(100);
// System.out.println("numUpdates=" + numUpdates);
for (int i = 0; i < numUpdates; i++) {
int field = random.nextInt(numBinaryFields);
Term updateTerm = new Term("upd", RandomPicks.randomFrom(random, updateTerms));
long value = random.nextInt();
writer.updateDocValues(updateTerm, new BinaryDocValuesField("f" + field, toBytes(value)),
new BinaryDocValuesField("cf" + field, toBytes(value * 2)));
}
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
for (LeafReaderContext context : reader.leaves()) {
for (int i = 0; i < numBinaryFields; i++) {
LeafReader r = context.reader();
BinaryDocValues f = r.getBinaryDocValues("f" + i);
BinaryDocValues cf = r.getBinaryDocValues("cf" + i);
for (int j = 0; j < r.maxDoc(); j++) {
assertEquals(j, f.nextDoc());
assertEquals(j, cf.nextDoc());
assertEquals("reader=" + r + ", field=f" + i + ", doc=" + j, getValue(cf), getValue(f) * 2);
}
}
}
reader.close();
dir.close();
}
public void testUpdatesOrder() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("upd", "t1", Store.NO));
doc.add(new StringField("upd", "t2", Store.NO));
doc.add(new BinaryDocValuesField("f1", toBytes(1L)));
doc.add(new BinaryDocValuesField("f2", toBytes(1L)));
writer.addDocument(doc);
writer.updateBinaryDocValue(new Term("upd", "t1"), "f1", toBytes(2L)); // update f1 to 2
writer.updateBinaryDocValue(new Term("upd", "t1"), "f2", toBytes(2L)); // update f2 to 2
writer.updateBinaryDocValue(new Term("upd", "t2"), "f1", toBytes(3L)); // update f1 to 3
writer.updateBinaryDocValue(new Term("upd", "t2"), "f2", toBytes(3L)); // update f2 to 3
writer.updateBinaryDocValue(new Term("upd", "t1"), "f1", toBytes(4L)); // update f1 to 4 (but not f2)
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
BinaryDocValues bdv = reader.leaves().get(0).reader().getBinaryDocValues("f1");
assertEquals(0, bdv.nextDoc());
assertEquals(4, getValue(bdv));
bdv = reader.leaves().get(0).reader().getBinaryDocValues("f2");
assertEquals(0, bdv.nextDoc());
assertEquals(3, getValue(bdv));
reader.close();
dir.close();
}
public void testUpdateAllDeletedSegment() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("id", "doc", Store.NO));
doc.add(new BinaryDocValuesField("f1", toBytes(1L)));
writer.addDocument(doc);
writer.addDocument(doc);
writer.commit();
writer.deleteDocuments(new Term("id", "doc")); // delete all docs in the first segment
writer.addDocument(doc);
writer.updateBinaryDocValue(new Term("id", "doc"), "f1", toBytes(2L));
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
assertEquals(1, reader.leaves().size());
BinaryDocValues bdv = reader.leaves().get(0).reader().getBinaryDocValues("f1");
assertEquals(0, bdv.nextDoc());
assertEquals(2L, getValue(bdv));
reader.close();
dir.close();
}
public void testUpdateTwoNonexistingTerms() throws Exception {
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(dir, conf);
Document doc = new Document();
doc.add(new StringField("id", "doc", Store.NO));
doc.add(new BinaryDocValuesField("f1", toBytes(1L)));
writer.addDocument(doc);
// update w/ multiple nonexisting terms in same field
writer.updateBinaryDocValue(new Term("c", "foo"), "f1", toBytes(2L));
writer.updateBinaryDocValue(new Term("c", "bar"), "f1", toBytes(2L));
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
assertEquals(1, reader.leaves().size());
BinaryDocValues bdv = reader.leaves().get(0).reader().getBinaryDocValues("f1");
assertEquals(0, bdv.nextDoc());
assertEquals(1L, getValue(bdv));
reader.close();
dir.close();
}
@Test
public void testIOContext() throws Exception {
// LUCENE-5591: make sure we pass an IOContext with an approximate
// segmentSize in FlushInfo
Directory dir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(new MockAnalyzer(random()));
// we want a single large enough segment so that a doc-values update writes a large file
conf.setMergePolicy(NoMergePolicy.INSTANCE);
conf.setMaxBufferedDocs(Integer.MAX_VALUE); // manually flush
conf.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
IndexWriter writer = new IndexWriter(dir, conf);
for (int i = 0; i < 100; i++) {
writer.addDocument(doc(i));
}
writer.commit();
writer.close();
NRTCachingDirectory cachingDir = new NRTCachingDirectory(dir, 100, 1/(1024.*1024.));
conf = newIndexWriterConfig(new MockAnalyzer(random()));
// we want a single large enough segment so that a doc-values update writes a large file
conf.setMergePolicy(NoMergePolicy.INSTANCE);
conf.setMaxBufferedDocs(Integer.MAX_VALUE); // manually flush
conf.setRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
writer = new IndexWriter(cachingDir, conf);
writer.updateBinaryDocValue(new Term("id", "doc-0"), "val", toBytes(100L));
DirectoryReader reader = DirectoryReader.open(writer); // flush
assertEquals(0, cachingDir.listCachedFiles().length);
IOUtils.close(reader, writer, cachingDir);
}
}