| Methods Summary |
|---|
| private void | addDoc(org.apache.lucene.index.IndexWriter writer)
Document doc = new Document();
doc.add(new Field("content", "aaa", Field.Store.NO, Field.Index.TOKENIZED));
writer.addDocument(doc);
|
| private void | checkInvariants(org.apache.lucene.index.IndexWriter writer)
int maxBufferedDocs = writer.getMaxBufferedDocs();
int mergeFactor = writer.getMergeFactor();
int maxMergeDocs = writer.getMaxMergeDocs();
int ramSegmentCount = writer.getRamSegmentCount();
assertTrue(ramSegmentCount < maxBufferedDocs);
int lowerBound = -1;
int upperBound = maxBufferedDocs;
int numSegments = 0;
int segmentCount = writer.getSegmentCount();
for (int i = segmentCount - 1; i >= 0; i--) {
int docCount = writer.getDocCount(i);
assertTrue(docCount > lowerBound);
if (docCount <= upperBound) {
numSegments++;
} else {
if (upperBound * mergeFactor <= maxMergeDocs) {
assertTrue(numSegments < mergeFactor);
}
do {
lowerBound = upperBound;
upperBound *= mergeFactor;
} while (docCount > upperBound);
numSegments = 1;
}
}
if (upperBound * mergeFactor <= maxMergeDocs) {
assertTrue(numSegments < mergeFactor);
}
String[] files = writer.getDirectory().list();
int segmentCfsCount = 0;
for (int i = 0; i < files.length; i++) {
if (files[i].endsWith(".cfs")) {
segmentCfsCount++;
}
}
assertEquals(segmentCount, segmentCfsCount);
|
| private void | printSegmentDocCounts(org.apache.lucene.index.IndexWriter writer)
int segmentCount = writer.getSegmentCount();
System.out.println("" + segmentCount + " segments total");
for (int i = 0; i < segmentCount; i++) {
System.out.println(" segment " + i + " has " + writer.getDocCount(i)
+ " docs");
}
|
| public void | testForceFlush()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(10);
for (int i = 0; i < 100; i++) {
addDoc(writer);
writer.close();
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(10);
checkInvariants(writer);
}
writer.close();
|
| public void | testMaxBufferedDocsChange()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.setMaxBufferedDocs(101);
writer.setMergeFactor(101);
// leftmost* segment has 1 doc
// rightmost* segment has 100 docs
for (int i = 1; i <= 100; i++) {
for (int j = 0; j < i; j++) {
addDoc(writer);
checkInvariants(writer);
}
writer.close();
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false);
writer.setMaxBufferedDocs(101);
writer.setMergeFactor(101);
}
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(10);
// merge policy only fixes segments on levels where merges
// have been triggered, so check invariants after all adds
for (int i = 0; i < 100; i++) {
addDoc(writer);
}
checkInvariants(writer);
for (int i = 100; i < 1000; i++) {
addDoc(writer);
}
checkInvariants(writer);
writer.close();
|
| public void | testMergeDocCount0()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(100);
for (int i = 0; i < 250; i++) {
addDoc(writer);
checkInvariants(writer);
}
writer.close();
IndexReader reader = IndexReader.open(dir);
reader.deleteDocuments(new Term("content", "aaa"));
reader.close();
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(5);
// merge factor is changed, so check invariants after all adds
for (int i = 0; i < 10; i++) {
addDoc(writer);
}
checkInvariants(writer);
assertEquals(10, writer.docCount());
writer.close();
|
| public void | testMergeFactorChange()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(100);
for (int i = 0; i < 250; i++) {
addDoc(writer);
checkInvariants(writer);
}
writer.setMergeFactor(5);
// merge policy only fixes segments on levels where merges
// have been triggered, so check invariants after all adds
for (int i = 0; i < 10; i++) {
addDoc(writer);
}
checkInvariants(writer);
writer.close();
|
| public void | testNoOverMerge()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(10);
boolean noOverMerge = false;
for (int i = 0; i < 100; i++) {
addDoc(writer);
checkInvariants(writer);
if (writer.getRamSegmentCount() + writer.getSegmentCount() >= 18) {
noOverMerge = true;
}
}
assertTrue(noOverMerge);
writer.close();
|
| public void | testNormalCase()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.setMaxBufferedDocs(10);
writer.setMergeFactor(10);
for (int i = 0; i < 100; i++) {
addDoc(writer);
checkInvariants(writer);
}
writer.close();
|
