SetMaxBufferedDeleteTerms() public method

public SetMaxBufferedDeleteTerms ( int maxBufferedDeleteTerms ) : IndexWriterConfig
maxBufferedDeleteTerms int
return IndexWriterConfig
Exemplo n.º 1
0
        [Slow] // LUCENENET: occasionally
        public virtual void TestStallControl()
        {
            // LUCENENET specific - disable the test if asserts are not enabled
            AssumeTrue("This test requires asserts to be enabled.", Debugging.AssertsEnabled);

            int[] numThreads          = new int[] { 4 + Random.Next(8), 1 };
            int   numDocumentsToIndex = 50 + Random.Next(50);

            for (int i = 0; i < numThreads.Length; i++)
            {
                AtomicInt32          numDocs = new AtomicInt32(numDocumentsToIndex);
                MockDirectoryWrapper dir     = NewMockDirectory();
                // mock a very slow harddisk sometimes here so that flushing is very slow
                dir.Throttling = Throttling.SOMETIMES;
                IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random));
                iwc.SetMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                iwc.SetMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                FlushPolicy flushPolicy = new FlushByRamOrCountsPolicy();
                iwc.SetFlushPolicy(flushPolicy);

                DocumentsWriterPerThreadPool threadPool = new DocumentsWriterPerThreadPool(numThreads[i] == 1 ? 1 : 2);
                iwc.SetIndexerThreadPool(threadPool);
                // with such a small ram buffer we should be stalled quiet quickly
                iwc.SetRAMBufferSizeMB(0.25);
                IndexWriter   writer  = new IndexWriter(dir, iwc);
                IndexThread[] threads = new IndexThread[numThreads[i]];
                for (int x = 0; x < threads.Length; x++)
                {
                    threads[x] = new IndexThread(numDocs, writer, lineDocFile, false);
                    threads[x].Start();
                }

                for (int x = 0; x < threads.Length; x++)
                {
                    threads[x].Join();
                }
                DocumentsWriter docsWriter = writer.DocsWriter;
                Assert.IsNotNull(docsWriter);
                DocumentsWriterFlushControl flushControl = docsWriter.flushControl;
                Assert.AreEqual(0, flushControl.FlushBytes, " all flushes must be due");
                Assert.AreEqual(numDocumentsToIndex, writer.NumDocs);
                Assert.AreEqual(numDocumentsToIndex, writer.MaxDoc);
                if (numThreads[i] == 1)
                {
                    assertFalse("single thread must not block numThreads: " + numThreads[i], docsWriter.flushControl.stallControl.HasBlocked);
                }
                if (docsWriter.flushControl.peakNetBytes > (2d * iwc.RAMBufferSizeMB * 1024d * 1024d))
                {
                    Assert.IsTrue(docsWriter.flushControl.stallControl.WasStalled);
                }
                AssertActiveBytesAfter(flushControl);
                writer.Dispose(true);
                dir.Dispose();
            }
        }
Exemplo n.º 2
0
        public virtual void TestFlushDocCount()
        {
            // LUCENENET specific - disable the test if asserts are not enabled
            AssumeTrue("This test requires asserts to be enabled.", Debugging.AssertsEnabled);

            int[] numThreads = new int[] { 2 + AtLeast(1), 1 };
            for (int i = 0; i < numThreads.Length; i++)
            {
                int                    numDocumentsToIndex = 50 + AtLeast(30);
                AtomicInt32            numDocs             = new AtomicInt32(numDocumentsToIndex);
                Directory              dir         = NewDirectory();
                MockDefaultFlushPolicy flushPolicy = new MockDefaultFlushPolicy();
                IndexWriterConfig      iwc         = NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random)).SetFlushPolicy(flushPolicy);

                int numDWPT = 1 + AtLeast(2);
                DocumentsWriterPerThreadPool threadPool = new DocumentsWriterPerThreadPool(numDWPT);
                iwc.SetIndexerThreadPool(threadPool);
                iwc.SetMaxBufferedDocs(2 + AtLeast(10));
                iwc.SetRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                iwc.SetMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                IndexWriter writer = new IndexWriter(dir, iwc);
                flushPolicy = (MockDefaultFlushPolicy)writer.Config.FlushPolicy;
                Assert.IsTrue(flushPolicy.FlushOnDocCount);
                Assert.IsFalse(flushPolicy.FlushOnDeleteTerms);
                Assert.IsFalse(flushPolicy.FlushOnRAM);
                DocumentsWriter docsWriter = writer.DocsWriter;
                Assert.IsNotNull(docsWriter);
                DocumentsWriterFlushControl flushControl = docsWriter.flushControl;
                Assert.AreEqual(0, flushControl.FlushBytes, " bytes must be 0 after init");

                IndexThread[] threads = new IndexThread[numThreads[i]];
                for (int x = 0; x < threads.Length; x++)
                {
                    threads[x] = new IndexThread(numDocs, writer, lineDocFile, false);
                    threads[x].Start();
                }

                for (int x = 0; x < threads.Length; x++)
                {
                    threads[x].Join();
                }

                Assert.AreEqual(0, flushControl.FlushBytes, " all flushes must be due numThreads=" + numThreads[i]);
                Assert.AreEqual(numDocumentsToIndex, writer.NumDocs);
                Assert.AreEqual(numDocumentsToIndex, writer.MaxDoc);
                Assert.IsTrue(flushPolicy.peakDocCountWithoutFlush <= iwc.MaxBufferedDocs, "peak bytes without flush exceeded watermark");
                AssertActiveBytesAfter(flushControl);
                writer.Dispose();
                Assert.AreEqual(0, flushControl.ActiveBytes);
                dir.Dispose();
            }
        }
        public virtual void TestInvalidValues()
        {
            IndexWriterConfig conf = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));

            // Test IndexDeletionPolicy
            Assert.AreEqual(typeof(KeepOnlyLastCommitDeletionPolicy), conf.DelPolicy.GetType());
            conf.SetIndexDeletionPolicy(new SnapshotDeletionPolicy(null));
            Assert.AreEqual(typeof(SnapshotDeletionPolicy), conf.DelPolicy.GetType());
            try
            {
                conf.SetIndexDeletionPolicy(null);
                Assert.Fail();
            }
            catch (System.ArgumentException e)
            {
                // ok
            }

            // Test MergeScheduler
            Assert.AreEqual(typeof(ConcurrentMergeScheduler), conf.MergeScheduler.GetType());
            conf.SetMergeScheduler(new SerialMergeScheduler());
            Assert.AreEqual(typeof(SerialMergeScheduler), conf.MergeScheduler.GetType());
            try
            {
                conf.SetMergeScheduler(null);
                Assert.Fail();
            }
            catch (System.ArgumentException e)
            {
                // ok
            }

            // Test Similarity:
            // we shouldnt assert what the default is, just that its not null.
            Assert.IsTrue(IndexSearcher.DefaultSimilarity == conf.Similarity);
            conf.SetSimilarity(new MySimilarity());
            Assert.AreEqual(typeof(MySimilarity), conf.Similarity.GetType());
            try
            {
                conf.SetSimilarity(null);
                Assert.Fail();
            }
            catch (System.ArgumentException e)
            {
                // ok
            }

            // Test IndexingChain
            Assert.IsTrue(DocumentsWriterPerThread.DefaultIndexingChain == conf.IndexingChain);
            conf.SetIndexingChain(new MyIndexingChain());
            Assert.AreEqual(typeof(MyIndexingChain), conf.IndexingChain.GetType());
            try
            {
                conf.SetIndexingChain(null);
                Assert.Fail();
            }
            catch (System.ArgumentException e)
            {
                // ok
            }

            try
            {
                conf.SetMaxBufferedDeleteTerms(0);
                Assert.Fail("should not have succeeded to set maxBufferedDeleteTerms to 0");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            try
            {
                conf.SetMaxBufferedDocs(1);
                Assert.Fail("should not have succeeded to set maxBufferedDocs to 1");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            try
            {
                // Disable both MAX_BUF_DOCS and RAM_SIZE_MB
                conf.SetMaxBufferedDocs(4);
                conf.SetRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                conf.SetMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                Assert.Fail("should not have succeeded to disable maxBufferedDocs when ramBufferSizeMB is disabled as well");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            conf.SetRAMBufferSizeMB(IndexWriterConfig.DEFAULT_RAM_BUFFER_SIZE_MB);
            conf.SetMaxBufferedDocs(IndexWriterConfig.DEFAULT_MAX_BUFFERED_DOCS);
            try
            {
                conf.SetRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                Assert.Fail("should not have succeeded to disable ramBufferSizeMB when maxBufferedDocs is disabled as well");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            // Test setReaderTermsIndexDivisor
            try
            {
                conf.SetReaderTermsIndexDivisor(0);
                Assert.Fail("should not have succeeded to set termsIndexDivisor to 0");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            // Setting to -1 is ok
            conf.SetReaderTermsIndexDivisor(-1);
            try
            {
                conf.SetReaderTermsIndexDivisor(-2);
                Assert.Fail("should not have succeeded to set termsIndexDivisor to < -1");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            try
            {
                conf.SetRAMPerThreadHardLimitMB(2048);
                Assert.Fail("should not have succeeded to set RAMPerThreadHardLimitMB to >= 2048");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            try
            {
                conf.SetRAMPerThreadHardLimitMB(0);
                Assert.Fail("should not have succeeded to set RAMPerThreadHardLimitMB to 0");
            }
            catch (System.ArgumentException e)
            {
                // this is expected
            }

            // Test MergePolicy
            Assert.AreEqual(typeof(TieredMergePolicy), conf.MergePolicy.GetType());
            conf.SetMergePolicy(new LogDocMergePolicy());
            Assert.AreEqual(typeof(LogDocMergePolicy), conf.MergePolicy.GetType());
            try
            {
                conf.SetMergePolicy(null);
                Assert.Fail();
            }
            catch (System.ArgumentException e)
            {
                // ok
            }
        }
Exemplo n.º 4
0
        protected internal virtual void RunFlushByRam(int numThreads, double maxRamMB, bool ensureNotStalled)
        {
            int                    numDocumentsToIndex = 10 + AtLeast(30);
            AtomicInt32            numDocs             = new AtomicInt32(numDocumentsToIndex);
            Directory              dir         = NewDirectory();
            MockDefaultFlushPolicy flushPolicy = new MockDefaultFlushPolicy();
            MockAnalyzer           analyzer    = new MockAnalyzer(Random);

            analyzer.MaxTokenLength = TestUtil.NextInt32(Random, 1, IndexWriter.MAX_TERM_LENGTH);

            IndexWriterConfig iwc = NewIndexWriterConfig(TEST_VERSION_CURRENT, analyzer).SetFlushPolicy(flushPolicy);
            int numDWPT           = 1 + AtLeast(2);
            DocumentsWriterPerThreadPool threadPool = new ThreadAffinityDocumentsWriterThreadPool(numDWPT);

            iwc.SetIndexerThreadPool(threadPool);
            iwc.SetRAMBufferSizeMB(maxRamMB);
            iwc.SetMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
            iwc.SetMaxBufferedDeleteTerms(IndexWriterConfig.DISABLE_AUTO_FLUSH);
            IndexWriter writer = new IndexWriter(dir, iwc);

            flushPolicy = (MockDefaultFlushPolicy)writer.Config.FlushPolicy;
            Assert.IsFalse(flushPolicy.FlushOnDocCount);
            Assert.IsFalse(flushPolicy.FlushOnDeleteTerms);
            Assert.IsTrue(flushPolicy.FlushOnRAM);
            DocumentsWriter docsWriter = writer.DocsWriter;

            Assert.IsNotNull(docsWriter);
            DocumentsWriterFlushControl flushControl = docsWriter.flushControl;

            Assert.AreEqual(0, flushControl.FlushBytes, " bytes must be 0 after init");

            IndexThread[] threads = new IndexThread[numThreads];
            for (int x = 0; x < threads.Length; x++)
            {
                threads[x] = new IndexThread(this, numDocs, numThreads, writer, LineDocFile, false);
                threads[x].Start();
            }

            for (int x = 0; x < threads.Length; x++)
            {
                threads[x].Join();
            }
            long maxRAMBytes = (long)(iwc.RAMBufferSizeMB * 1024.0 * 1024.0);

            Assert.AreEqual(0, flushControl.FlushBytes, " all flushes must be due numThreads=" + numThreads);
            Assert.AreEqual(numDocumentsToIndex, writer.NumDocs);
            Assert.AreEqual(numDocumentsToIndex, writer.MaxDoc);
            Assert.IsTrue(flushPolicy.PeakBytesWithoutFlush <= maxRAMBytes, "peak bytes without flush exceeded watermark");
            AssertActiveBytesAfter(flushControl);
            if (flushPolicy.HasMarkedPending)
            {
                Assert.IsTrue(maxRAMBytes < flushControl.peakActiveBytes);
            }
            if (ensureNotStalled)
            {
                Assert.IsFalse(docsWriter.flushControl.stallControl.WasStalled);
            }
            writer.Dispose();
            Assert.AreEqual(0, flushControl.ActiveBytes);
            dir.Dispose();
        }
Exemplo n.º 5
0
        public virtual void TestInvalidValues()
        {
            IndexWriterConfig conf = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));

            // Test IndexDeletionPolicy
            Assert.AreEqual(typeof(KeepOnlyLastCommitDeletionPolicy), conf.IndexDeletionPolicy.GetType());
            conf.SetIndexDeletionPolicy(new SnapshotDeletionPolicy(null));
            Assert.AreEqual(typeof(SnapshotDeletionPolicy), conf.IndexDeletionPolicy.GetType());
            try
            {
                conf.SetIndexDeletionPolicy(null);
                Assert.Fail();
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // ok
            }

            // Test MergeScheduler
#if !FEATURE_CONCURRENTMERGESCHEDULER
            Assert.AreEqual(typeof(TaskMergeScheduler), conf.MergeScheduler.GetType());
#else
            Assert.AreEqual(typeof(ConcurrentMergeScheduler), conf.MergeScheduler.GetType());
#endif
            conf.SetMergeScheduler(new SerialMergeScheduler());
            Assert.AreEqual(typeof(SerialMergeScheduler), conf.MergeScheduler.GetType());
            try
            {
                conf.SetMergeScheduler(null);
                Assert.Fail();
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // ok
            }

            // Test Similarity:
            // we shouldnt assert what the default is, just that its not null.
            Assert.IsTrue(IndexSearcher.DefaultSimilarity == conf.Similarity);
            conf.SetSimilarity(new MySimilarity());
            Assert.AreEqual(typeof(MySimilarity), conf.Similarity.GetType());
            try
            {
                conf.SetSimilarity(null);
                Assert.Fail();
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // ok
            }

            // Test IndexingChain
            Assert.IsTrue(DocumentsWriterPerThread.DefaultIndexingChain == conf.IndexingChain);
            conf.SetIndexingChain(new MyIndexingChain());
            Assert.AreEqual(typeof(MyIndexingChain), conf.IndexingChain.GetType());
            try
            {
                conf.SetIndexingChain(null);
                Assert.Fail();
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // ok
            }

            try
            {
                conf.SetMaxBufferedDeleteTerms(0);
                Assert.Fail("should not have succeeded to set maxBufferedDeleteTerms to 0");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            try
            {
                conf.SetMaxBufferedDocs(1);
                Assert.Fail("should not have succeeded to set maxBufferedDocs to 1");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            try
            {
                // Disable both MAX_BUF_DOCS and RAM_SIZE_MB
                conf.SetMaxBufferedDocs(4);
                conf.SetRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                conf.SetMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                Assert.Fail("should not have succeeded to disable maxBufferedDocs when ramBufferSizeMB is disabled as well");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            conf.SetRAMBufferSizeMB(IndexWriterConfig.DEFAULT_RAM_BUFFER_SIZE_MB);
            conf.SetMaxBufferedDocs(IndexWriterConfig.DEFAULT_MAX_BUFFERED_DOCS);
            try
            {
                conf.SetRAMBufferSizeMB(IndexWriterConfig.DISABLE_AUTO_FLUSH);
                Assert.Fail("should not have succeeded to disable ramBufferSizeMB when maxBufferedDocs is disabled as well");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            // Test setReaderTermsIndexDivisor
            try
            {
                conf.SetReaderTermsIndexDivisor(0);
                Assert.Fail("should not have succeeded to set termsIndexDivisor to 0");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            // Setting to -1 is ok
            conf.SetReaderTermsIndexDivisor(-1);
            try
            {
                conf.SetReaderTermsIndexDivisor(-2);
                Assert.Fail("should not have succeeded to set termsIndexDivisor to < -1");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            try
            {
                conf.SetRAMPerThreadHardLimitMB(2048);
                Assert.Fail("should not have succeeded to set RAMPerThreadHardLimitMB to >= 2048");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            try
            {
                conf.SetRAMPerThreadHardLimitMB(0);
                Assert.Fail("should not have succeeded to set RAMPerThreadHardLimitMB to 0");
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // this is expected
            }

            // Test MergePolicy
            Assert.AreEqual(typeof(TieredMergePolicy), conf.MergePolicy.GetType());
            conf.SetMergePolicy(new LogDocMergePolicy());
            Assert.AreEqual(typeof(LogDocMergePolicy), conf.MergePolicy.GetType());
            try
            {
                conf.SetMergePolicy(null);
                Assert.Fail();
            }
#pragma warning disable 168
            catch (System.ArgumentException e)
#pragma warning restore 168
            {
                // ok
            }
        }