public virtual void TestThreadStarvationNoDeleteNRTReader()
{
IndexWriterConfig conf = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
conf.SetMergePolicy(Random.NextBoolean() ? NoMergePolicy.COMPOUND_FILES : NoMergePolicy.NO_COMPOUND_FILES);
Directory d = NewDirectory();
CountdownEvent latch = new CountdownEvent(1);
CountdownEvent signal = new CountdownEvent(1);
LatchedIndexWriter _writer = new LatchedIndexWriter(d, conf, latch, signal);
TrackingIndexWriter writer = new TrackingIndexWriter(_writer);
SearcherManager manager = new SearcherManager(_writer, false, null);
Document doc = new Document();
doc.Add(NewTextField("test", "test", Field.Store.YES));
writer.AddDocument(doc);
manager.MaybeRefresh();
var t = new ThreadAnonymousClass(this, latch, signal, writer, manager);
t.Start();
_writer.waitAfterUpdate = true; // wait in addDocument to let some reopens go through
long lastGen = writer.UpdateDocument(new Term("foo", "bar"), doc); // once this returns the doc is already reflected in the last reopen
assertFalse(manager.IsSearcherCurrent()); // false since there is a delete in the queue
IndexSearcher searcher = manager.Acquire();
try
{
assertEquals(2, searcher.IndexReader.NumDocs);
}
finally
{
manager.Release(searcher);
}
ControlledRealTimeReopenThread <IndexSearcher> thread = new ControlledRealTimeReopenThread <IndexSearcher>(writer, manager, 0.01, 0.01);
thread.Start(); // start reopening
if (Verbose)
{
Console.WriteLine("waiting now for generation " + lastGen);
}
AtomicBoolean finished = new AtomicBoolean(false);
var waiter = new ThreadAnonymousClass2(this, lastGen, thread, finished);
waiter.Start();
manager.MaybeRefresh();
waiter.Join(1000);
if (!finished)
{
waiter.Interrupt();
fail("thread deadlocked on waitForGeneration");
}
thread.Dispose();
thread.Join();
IOUtils.Dispose(manager, _writer, d);
}
public virtual void Test()
{
Directory dir = NewDirectory();
IndexWriter w = new IndexWriter(dir, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetMergePolicy(NewLogMergePolicy()));
IList <long?> numbers = new List <long?>();
IList <BytesRef> binary = new List <BytesRef>();
IList <BytesRef> sorted = new List <BytesRef>();
int numDocs = AtLeast(100);
for (int i = 0; i < numDocs; i++)
{
Document d = new Document();
long number = Random.NextInt64();
d.Add(new NumericDocValuesField("number", number));
BytesRef bytes = new BytesRef(TestUtil.RandomRealisticUnicodeString(Random));
d.Add(new BinaryDocValuesField("bytes", bytes));
binary.Add(bytes);
bytes = new BytesRef(TestUtil.RandomRealisticUnicodeString(Random));
d.Add(new SortedDocValuesField("sorted", bytes));
sorted.Add(bytes);
w.AddDocument(d);
numbers.Add(number);
}
w.ForceMerge(1);
IndexReader r = w.GetReader();
w.Dispose();
Assert.AreEqual(1, r.Leaves.Count);
AtomicReader ar = (AtomicReader)r.Leaves[0].Reader;
int numThreads = TestUtil.NextInt32(Random, 2, 5);
IList <ThreadJob> threads = new List <ThreadJob>();
CountdownEvent startingGun = new CountdownEvent(1);
for (int t = 0; t < numThreads; t++)
{
Random threadRandom = new Random(Random.Next());
ThreadJob thread = new ThreadAnonymousClass(this, numbers, binary, sorted, numDocs, ar, startingGun, threadRandom);
thread.Start();
threads.Add(thread);
}
startingGun.Signal();
foreach (ThreadJob thread in threads)
{
thread.Join();
}
r.Dispose();
dir.Dispose();
}
protected override void DoSearching(TaskScheduler es, long stopTime)
{
ThreadJob reopenThread = new ThreadAnonymousClass(this, stopTime);
reopenThread.IsBackground = (true);
reopenThread.Start();
RunSearchThreads(stopTime);
reopenThread.Join();
}
private void RunTest(Random random, Directory dir)
{
// Run for ~1 seconds
long stopTime = Environment.TickCount + 1000;
SnapshotDeletionPolicy dp = DeletionPolicy;
IndexWriter writer = new IndexWriter(dir, (IndexWriterConfig)NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).SetIndexDeletionPolicy(dp).SetMaxBufferedDocs(2));
// Verify we catch misuse:
try
{
dp.Snapshot();
Assert.Fail("did not hit exception");
}
#pragma warning disable 168
catch (InvalidOperationException ise)
#pragma warning restore 168
{
// expected
}
dp = (SnapshotDeletionPolicy)writer.Config.IndexDeletionPolicy;
writer.Commit();
ThreadJob t = new ThreadAnonymousClass(stopTime, writer, NewField);
t.Start();
// While the above indexing thread is running, take many
// backups:
do
{
BackupIndex(dir, dp);
Thread.Sleep(20);
} while (t.IsAlive);
t.Join();
// Add one more document to force writer to commit a
// final segment, so deletion policy has a chance to
// delete again:
Document doc = new Document();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.StoreTermVectors = true;
customType.StoreTermVectorPositions = true;
customType.StoreTermVectorOffsets = true;
doc.Add(NewField("content", "aaa", customType));
writer.AddDocument(doc);
// Make sure we don't have any leftover files in the
// directory:
writer.Dispose();
TestIndexWriter.AssertNoUnreferencedFiles(dir, "some files were not deleted but should have been");
}
public virtual void Test()
{
Directory dir = NewFSDirectory(CreateTempDir("livefieldupdates"));
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
IndexWriter w = new IndexWriter(dir, iwc);
SearcherManager mgr = new SearcherManager(w, true, new SearcherFactoryAnonymousClass());
const int missing = -1;
LiveFieldValues <IndexSearcher, int?> rt = new LiveFieldValuesAnonymousClass(mgr, missing);
int numThreads = TestUtil.NextInt32(Random, 2, 5);
if (Verbose)
{
Console.WriteLine(numThreads + " threads");
}
CountdownEvent startingGun = new CountdownEvent(1);
IList <ThreadJob> threads = new JCG.List <ThreadJob>();
int iters = AtLeast(1000);
int idCount = TestUtil.NextInt32(Random, 100, 10000);
double reopenChance = Random.NextDouble() * 0.01;
double deleteChance = Random.NextDouble() * 0.25;
double addChance = Random.NextDouble() * 0.5;
for (int t = 0; t < numThreads; t++)
{
int threadID = t;
Random threadRandom = new Random(Random.Next());
ThreadJob thread = new ThreadAnonymousClass(w, mgr, missing, rt, startingGun, iters, idCount, reopenChance, deleteChance, addChance, t, threadID, threadRandom);
threads.Add(thread);
thread.Start();
}
startingGun.Signal();
foreach (ThreadJob thread in threads)
{
thread.Join();
}
mgr.MaybeRefresh();
Assert.AreEqual(0, rt.Count);
rt.Dispose();
mgr.Dispose();
w.Dispose();
dir.Dispose();
}
public virtual void TestThreadLeak()
{
ThreadJob t = new ThreadAnonymousClass(this);
t.Start();
while (!t.IsAlive)
{
Thread.Yield();
}
// once alive, leave it to run outside of the test scope.
}
public virtual void Test()
{
Directory d = NewDirectory();
MockAnalyzer analyzer = new MockAnalyzer(Random);
analyzer.MaxTokenLength = TestUtil.NextInt32(Random, 1, IndexWriter.MAX_TERM_LENGTH);
MyIndexWriter w = new MyIndexWriter(d, NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer));
// Try to make an index that requires merging:
w.Config.SetMaxBufferedDocs(TestUtil.NextInt32(Random, 2, 11));
int numStartDocs = AtLeast(20);
LineFileDocs docs = new LineFileDocs(Random, DefaultCodecSupportsDocValues);
for (int docIDX = 0; docIDX < numStartDocs; docIDX++)
{
w.AddDocument(docs.NextDoc());
}
MergePolicy mp = w.Config.MergePolicy;
int mergeAtOnce = 1 + w.segmentInfos.Count;
if (mp is TieredMergePolicy)
{
((TieredMergePolicy)mp).MaxMergeAtOnce = mergeAtOnce;
}
else if (mp is LogMergePolicy)
{
((LogMergePolicy)mp).MergeFactor = mergeAtOnce;
}
else
{
// skip test
w.Dispose();
d.Dispose();
return;
}
AtomicBoolean doStop = new AtomicBoolean();
w.Config.SetMaxBufferedDocs(2);
ThreadJob t = new ThreadAnonymousClass(this, w, numStartDocs, docs, doStop);
t.Start();
w.ForceMerge(1);
doStop.Value = true;
t.Join();
Assert.IsTrue(w.mergeCount <= 1, "merge count is " + w.mergeCount);
w.Dispose();
d.Dispose();
docs.Dispose();
}
public virtual void TestPartiallyAppliedGlobalSlice()
{
DocumentsWriterDeleteQueue queue = new DocumentsWriterDeleteQueue();
System.Reflection.FieldInfo field = typeof(DocumentsWriterDeleteQueue).GetField("globalBufferLock",
BindingFlags.NonPublic | BindingFlags.GetField | BindingFlags.Instance);
ReentrantLock @lock = (ReentrantLock)field.GetValue(queue);
@lock.Lock();
var t = new ThreadAnonymousClass(this, queue);
t.Start();
t.Join();
@lock.Unlock();
Assert.IsTrue(queue.AnyChanges(), "changes in del queue but not in slice yet");
queue.TryApplyGlobalSlice();
Assert.IsTrue(queue.AnyChanges(), "changes in global buffer");
FrozenBufferedUpdates freezeGlobalBuffer = queue.FreezeGlobalBuffer(null);
Assert.IsTrue(freezeGlobalBuffer.Any());
Assert.AreEqual(1, freezeGlobalBuffer.termCount);
Assert.IsFalse(queue.AnyChanges(), "all changes applied");
}
public virtual void TestHashCodeWithThreads()
{
AutomatonQuery[] queries = new AutomatonQuery[1000];
for (int i = 0; i < queries.Length; i++)
{
queries[i] = new AutomatonQuery(new Term("bogus", "bogus"), AutomatonTestUtil.RandomAutomaton(Random));
}
CountdownEvent startingGun = new CountdownEvent(1);
int numThreads = TestUtil.NextInt32(Random, 2, 5);
ThreadJob[] threads = new ThreadJob[numThreads];
for (int threadID = 0; threadID < numThreads; threadID++)
{
ThreadJob thread = new ThreadAnonymousClass(this, queries, startingGun);
threads[threadID] = thread;
thread.Start();
}
startingGun.Signal();
foreach (ThreadJob thread in threads)
{
thread.Join();
}
}
public virtual void Test()
{
Directory dir = NewDirectory();
MockAnalyzer analyzer = new MockAnalyzer(Random);
analyzer.MaxTokenLength = TestUtil.NextInt32(Random, 1, IndexWriter.MAX_TERM_LENGTH);
RandomIndexWriter w = new RandomIndexWriter(
#if FEATURE_INSTANCE_TESTDATA_INITIALIZATION
this,
#endif
Random, dir, analyzer);
LineFileDocs docs = new LineFileDocs(Random, DefaultCodecSupportsDocValues);
int charsToIndex = AtLeast(100000);
int charsIndexed = 0;
//System.out.println("bytesToIndex=" + charsToIndex);
while (charsIndexed < charsToIndex)
{
Document doc = docs.NextDoc();
charsIndexed += doc.Get("body").Length;
w.AddDocument(doc);
//System.out.println(" bytes=" + charsIndexed + " add: " + doc);
}
IndexReader r = w.GetReader();
//System.out.println("numDocs=" + r.NumDocs);
w.Dispose();
IndexSearcher s = NewSearcher(r);
Terms terms = MultiFields.GetFields(r).GetTerms("body");
int termCount = 0;
TermsEnum termsEnum = terms.GetEnumerator();
while (termsEnum.MoveNext())
{
termCount++;
}
Assert.IsTrue(termCount > 0);
// Target ~10 terms to search:
double chance = 10.0 / termCount;
termsEnum = terms.GetEnumerator(termsEnum);
IDictionary <BytesRef, TopDocs> answers = new Dictionary <BytesRef, TopDocs>();
while (termsEnum.MoveNext())
{
if (Random.NextDouble() <= chance)
{
BytesRef term = BytesRef.DeepCopyOf(termsEnum.Term);
answers[term] = s.Search(new TermQuery(new Term("body", term)), 100);
}
}
if (answers.Count > 0)
{
CountdownEvent startingGun = new CountdownEvent(1);
int numThreads = TestUtil.NextInt32(Random, 2, 5);
ThreadJob[] threads = new ThreadJob[numThreads];
for (int threadID = 0; threadID < numThreads; threadID++)
{
ThreadJob thread = new ThreadAnonymousClass(this, s, answers, startingGun);
threads[threadID] = thread;
thread.Start();
}
startingGun.Signal();
foreach (ThreadJob thread in threads)
{
thread.Join();
}
}
r.Dispose();
dir.Dispose();
}
public virtual void TestNoWaitClose()
{
Directory directory = NewDirectory();
Document doc = new Document();
FieldType customType = new FieldType(TextField.TYPE_STORED);
customType.IsTokenized = false;
Field idField = NewField("id", "", customType);
doc.Add(idField);
for (int pass = 0; pass < 2; pass++)
{
if (Verbose)
{
Console.WriteLine("TEST: pass="******"TEST: iter=" + iter);
}
for (int j = 0; j < 199; j++)
{
idField.SetStringValue(Convert.ToString(iter * 201 + j));
writer.AddDocument(doc);
}
int delID = iter * 199;
for (int j = 0; j < 20; j++)
{
writer.DeleteDocuments(new Term("id", Convert.ToString(delID)));
delID += 5;
}
// Force a bunch of merge threads to kick off so we
// stress out aborting them on close:
((LogMergePolicy)writer.Config.MergePolicy).MergeFactor = 2;
IndexWriter finalWriter = writer;
IList <Exception> failure = new JCG.List <Exception>();
ThreadJob t1 = new ThreadAnonymousClass(this, doc, finalWriter, failure);
if (failure.Count > 0)
{
ExceptionDispatchInfo.Capture(failure[0]).Throw(); // LUCENENET: Rethrow to preserve stack details from the original throw
}
t1.Start();
writer.Dispose(false);
t1.Join();
// Make sure reader can read
IndexReader reader = DirectoryReader.Open(directory);
reader.Dispose();
// Reopen
writer = new IndexWriter(directory, NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetOpenMode(OpenMode.APPEND).SetMergePolicy(NewLogMergePolicy()));
}
writer.Dispose();
}
directory.Dispose();
}
public virtual void TestNrt()
{
Store.Directory dir = NewDirectory();
Store.Directory taxoDir = NewDirectory();
IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
// Don't allow tiny maxBufferedDocs; it can make this
// test too slow:
iwc.SetMaxBufferedDocs(Math.Max(500, iwc.MaxBufferedDocs));
// MockRandom/AlcololicMergePolicy are too slow:
TieredMergePolicy tmp = new TieredMergePolicy();
tmp.FloorSegmentMB = .001;
iwc.SetMergePolicy(tmp);
IndexWriter w = new IndexWriter(dir, iwc);
var tw = new DirectoryTaxonomyWriter(taxoDir);
FacetsConfig config = new FacetsConfig();
config.SetMultiValued("field", true);
AtomicBoolean stop = new AtomicBoolean();
// How many unique facets to index before stopping:
//int ordLimit = TestNightly ? 100000 : 6000;
// LUCENENET specific: 100000 facets takes about 2-3 hours. To keep it under
// the 1 hour free limit of Azure DevOps, this was reduced to 30000.
int ordLimit = TestNightly ? 30000 : 6000;
var indexer = new IndexerThread(w, config, tw, null, ordLimit, stop);
var mgr = new SearcherTaxonomyManager(w, true, null, tw);
var reopener = new ThreadAnonymousClass(stop, mgr);
reopener.Name = "reopener";
reopener.Start();
indexer.Name = "indexer";
indexer.Start();
try
{
while (!stop)
{
SearcherAndTaxonomy pair = mgr.Acquire();
try
{
//System.out.println("search maxOrd=" + pair.taxonomyReader.getSize());
FacetsCollector sfc = new FacetsCollector();
pair.Searcher.Search(new MatchAllDocsQuery(), sfc);
Facets facets = GetTaxonomyFacetCounts(pair.TaxonomyReader, config, sfc);
FacetResult result = facets.GetTopChildren(10, "field");
if (pair.Searcher.IndexReader.NumDocs > 0)
{
//System.out.println(pair.taxonomyReader.getSize());
Assert.IsTrue(result.ChildCount > 0);
Assert.IsTrue(result.LabelValues.Length > 0);
}
//if (VERBOSE) {
//System.out.println("TEST: facets=" + FacetTestUtils.toString(results.get(0)));
//}
}
finally
{
mgr.Release(pair);
}
}
}
finally
{
indexer.Join();
reopener.Join();
}
if (Verbose)
{
Console.WriteLine("TEST: now stop");
}
IOUtils.Dispose(mgr, tw, w, taxoDir, dir);
}