public ThreadAnonymousClass(TestControlledRealTimeReopenThread outerInstance, CountdownEvent latch, CountdownEvent signal, TrackingIndexWriter writer, SearcherManager manager)
{
this.outerInstance = outerInstance;
this.latch = latch;
this.signal = signal;
this.writer = writer;
this.manager = manager;
}
public virtual void TestCRTReopen()
{
//test behaving badly
//should be high enough
int maxStaleSecs = 20;
//build crap data just to store it.
string s = " abcdefghijklmnopqrstuvwxyz ";
char[] chars = s.ToCharArray();
StringBuilder builder = new StringBuilder(2048);
for (int i = 0; i < 2048; i++)
{
builder.Append(chars[Random().Next(chars.Length)]);
}
string content = builder.ToString();
SnapshotDeletionPolicy sdp = new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
Directory dir = new NRTCachingDirectory(NewFSDirectory(CreateTempDir("nrt")), 5, 128);
IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_46, new MockAnalyzer(Random()));
config.SetIndexDeletionPolicy(sdp);
config.SetOpenMode(IndexWriterConfig.OpenMode_e.CREATE_OR_APPEND);
IndexWriter iw = new IndexWriter(dir, config);
SearcherManager sm = new SearcherManager(iw, true, new SearcherFactory());
TrackingIndexWriter tiw = new TrackingIndexWriter(iw);
ControlledRealTimeReopenThread <IndexSearcher> controlledRealTimeReopenThread = new ControlledRealTimeReopenThread <IndexSearcher>(tiw, sm, maxStaleSecs, 0);
controlledRealTimeReopenThread.SetDaemon(true);
controlledRealTimeReopenThread.Start();
IList <ThreadClass> commitThreads = new List <ThreadClass>();
for (int i = 0; i < 500; i++)
{
if (i > 0 && i % 50 == 0)
{
ThreadClass commitThread = new RunnableAnonymousInnerClassHelper(this, sdp, dir, iw);
commitThread.Start();
commitThreads.Add(commitThread);
}
Document d = new Document();
d.Add(new TextField("count", i + "", Field.Store.NO));
d.Add(new TextField("content", content, Field.Store.YES));
long start = DateTime.Now.Millisecond;
long l = tiw.AddDocument(d);
controlledRealTimeReopenThread.WaitForGeneration(l);
long wait = DateTime.Now.Millisecond - start;
Assert.IsTrue(wait < (maxStaleSecs * 1000), "waited too long for generation " + wait);
IndexSearcher searcher = sm.Acquire();
TopDocs td = searcher.Search(new TermQuery(new Term("count", i + "")), 10);
sm.Release(searcher);
Assert.AreEqual(1, td.TotalHits);
}
foreach (ThreadClass commitThread in commitThreads)
{
commitThread.Join();
}
controlledRealTimeReopenThread.Dispose();
sm.Dispose();
iw.Dispose();
dir.Dispose();
}
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 ThreadAnonymousInnerClassHelper(TestControlledRealTimeReopenThread outerInstance, CountdownEvent latch, CountdownEvent signal, TrackingIndexWriter writer, SearcherManager manager)
{
this.OuterInstance = outerInstance;
this.Latch = latch;
this.Signal = signal;
this.Writer = writer;
this.Manager = manager;
}