@Nightly
public void test() throws Exception {
MockDirectoryWrapper dir =
new MockDirectoryWrapper(random(), new MMapDirectory(createTempDir("4GBStoredFields")));
dir.setThrottling(MockDirectoryWrapper.Throttling.NEVER);
IndexWriterConfig iwc = new IndexWriterConfig(new MockAnalyzer(random()));
iwc.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
iwc.setRAMBufferSizeMB(256.0);
iwc.setMergeScheduler(new ConcurrentMergeScheduler());
iwc.setMergePolicy(newLogMergePolicy(false, 10));
iwc.setOpenMode(IndexWriterConfig.OpenMode.CREATE);
// TODO: we disable "Compressing" since it likes to pick very extreme values which will be too
// slow for this test.
// maybe we should factor out crazy cases to ExtremeCompressing? then annotations can handle
// this stuff...
if (random().nextBoolean()) {
iwc.setCodec(CompressingCodec.reasonableInstance(random()));
}
IndexWriter w = new IndexWriter(dir, iwc);
MergePolicy mp = w.getConfig().getMergePolicy();
if (mp instanceof LogByteSizeMergePolicy) {
// 1 petabyte:
((LogByteSizeMergePolicy) mp).setMaxMergeMB(1024 * 1024 * 1024);
}
final Document doc = new Document();
final FieldType ft = new FieldType();
ft.setStored(true);
ft.freeze();
final int valueLength = RandomInts.randomIntBetween(random(), 1 << 13, 1 << 20);
final byte[] value = new byte[valueLength];
for (int i = 0; i < valueLength; ++i) {
// random so that even compressing codecs can't compress it
value[i] = (byte) random().nextInt(256);
}
final Field f = new Field("fld", value, ft);
doc.add(f);
final int numDocs = (int) ((1L << 32) / valueLength + 100);
for (int i = 0; i < numDocs; ++i) {
w.addDocument(doc);
if (VERBOSE && i % (numDocs / 10) == 0) {
System.out.println(i + " of " + numDocs + "...");
}
}
w.forceMerge(1);
w.close();
if (VERBOSE) {
boolean found = false;
for (String file : dir.listAll()) {
if (file.endsWith(".fdt")) {
final long fileLength = dir.fileLength(file);
if (fileLength >= 1L << 32) {
found = true;
}
System.out.println("File length of " + file + " : " + fileLength);
}
}
if (!found) {
System.out.println("No .fdt file larger than 4GB, test bug?");
}
}
DirectoryReader rd = DirectoryReader.open(dir);
Document sd = rd.document(numDocs - 1);
assertNotNull(sd);
assertEquals(1, sd.getFields().size());
BytesRef valueRef = sd.getBinaryValue("fld");
assertNotNull(valueRef);
assertEquals(new BytesRef(value), valueRef);
rd.close();
dir.close();
}
