private static BaseDirectoryWrapper WrapDirectory(Random random, Directory directory, bool bare) { if (Rarely(random)) { directory = new NRTCachingDirectory(directory, random.NextDouble(), random.NextDouble()); } if (Rarely(random)) { double maxMBPerSec = 10 + 5 * (random.NextDouble() - 0.5); if (LuceneTestCase.VERBOSE) { Console.WriteLine("LuceneTestCase: will rate limit output IndexOutput to " + maxMBPerSec + " MB/sec"); } RateLimitedDirectoryWrapper rateLimitedDirectoryWrapper = new RateLimitedDirectoryWrapper(directory); switch (random.Next(10)) { case 3: // sometimes rate limit on flush rateLimitedDirectoryWrapper.SetMaxWriteMBPerSec(maxMBPerSec, IOContext.UsageContext.FLUSH); break; case 2: // sometimes rate limit flush & merge rateLimitedDirectoryWrapper.SetMaxWriteMBPerSec(maxMBPerSec, IOContext.UsageContext.FLUSH); rateLimitedDirectoryWrapper.SetMaxWriteMBPerSec(maxMBPerSec, IOContext.UsageContext.MERGE); break; default: rateLimitedDirectoryWrapper.SetMaxWriteMBPerSec(maxMBPerSec, IOContext.UsageContext.MERGE); break; } directory = rateLimitedDirectoryWrapper; } if (bare) { BaseDirectoryWrapper @base = new BaseDirectoryWrapper(directory); // LUCENENET TODO CloseAfterSuite(new IDisposableDirectory(@base, SuiteFailureMarker)); return @base; } else { MockDirectoryWrapper mock = new MockDirectoryWrapper(random, directory); mock.Throttling = TEST_THROTTLING; // LUCENENET TODO CloseAfterSuite(new IDisposableDirectory(mock, SuiteFailureMarker)); return mock; } }
// LUCENE-5461 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<Thread> commitThreads = new List<Thread>(); for (int i = 0; i < 500; i++) { if (i > 0 && i % 50 == 0) { Thread commitThread = new Thread(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 (Thread commitThread in commitThreads) { commitThread.Join(); } controlledRealTimeReopenThread.Dispose(); sm.Dispose(); iw.Dispose(); dir.Dispose(); }