|
public SetUseCompoundFile ( bool useCompoundFile ) : |
||
| useCompoundFile | bool | |
| return | ||
public virtual void TestLiveChangeToCFS()
{
Directory dir = NewDirectory();
IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
iwc.SetMergePolicy(NewLogMergePolicy(true));
// Start false:
iwc.SetUseCompoundFile(false);
iwc.MergePolicy.NoCFSRatio = 0.0d;
IndexWriter w = new IndexWriter(dir, iwc);
// Change to true:
w.Config.SetUseCompoundFile(true);
Document doc = new Document();
doc.Add(NewStringField("field", "foo", Store.NO));
w.AddDocument(doc);
w.Commit();
Assert.IsTrue(w.NewestSegment().Info.UseCompoundFile, "Expected CFS after commit");
doc.Add(NewStringField("field", "foo", Store.NO));
w.AddDocument(doc);
w.Commit();
w.ForceMerge(1);
w.Commit();
// no compound files after merge
Assert.IsFalse(w.NewestSegment().Info.UseCompoundFile, "Expected Non-CFS after merge");
MergePolicy lmp = w.Config.MergePolicy;
lmp.NoCFSRatio = 1.0;
lmp.MaxCFSSegmentSizeMB = double.PositiveInfinity;
w.AddDocument(doc);
w.ForceMerge(1);
w.Commit();
Assert.IsTrue(w.NewestSegment().Info.UseCompoundFile, "Expected CFS after merge");
w.Dispose();
dir.Dispose();
}
public virtual void TestLiveChangeToCFS()
{
Directory dir = NewDirectory();
IndexWriterConfig iwc = new IndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(Random()));
iwc.SetMergePolicy(NewLogMergePolicy(true));
// Start false:
iwc.SetUseCompoundFile(false);
iwc.MergePolicy.NoCFSRatio = 0.0d;
IndexWriter w = new IndexWriter(dir, iwc);
// Change to true:
w.Config.SetUseCompoundFile(true);
Document doc = new Document();
doc.Add(NewStringField("field", "foo", Store.NO));
w.AddDocument(doc);
w.Commit();
Assert.IsTrue(w.NewestSegment().Info.UseCompoundFile, "Expected CFS after commit");
doc.Add(NewStringField("field", "foo", Store.NO));
w.AddDocument(doc);
w.Commit();
w.ForceMerge(1);
w.Commit();
// no compound files after merge
Assert.IsFalse(w.NewestSegment().Info.UseCompoundFile, "Expected Non-CFS after merge");
MergePolicy lmp = w.Config.MergePolicy;
lmp.NoCFSRatio = 1.0;
lmp.MaxCFSSegmentSizeMB = double.PositiveInfinity;
w.AddDocument(doc);
w.ForceMerge(1);
w.Commit();
Assert.IsTrue(w.NewestSegment().Info.UseCompoundFile, "Expected CFS after merge");
w.Dispose();
dir.Dispose();
}
/// <summary>
/// create a new index writer config with random defaults using the specified random </summary>
public static IndexWriterConfig NewIndexWriterConfig(Random r, LuceneVersion v, Analyzer a)
{
IndexWriterConfig c = new IndexWriterConfig(v, a);
c.SetSimilarity(ClassEnvRule.Similarity);
if (VERBOSE)
{
// Even though TestRuleSetupAndRestoreClassEnv calls
// InfoStream.setDefault, we do it again here so that
// the PrintStreamInfoStream.messageID increments so
// that when there are separate instances of
// IndexWriter created we see "IW 0", "IW 1", "IW 2",
// ... instead of just always "IW 0":
c.InfoStream = new TestRuleSetupAndRestoreClassEnv.ThreadNameFixingPrintStreamInfoStream(Console.Out);
}
if (r.NextBoolean())
{
c.SetMergeScheduler(new SerialMergeScheduler());
}
else if (Rarely(r))
{
int maxThreadCount = TestUtil.NextInt(Random(), 1, 4);
int maxMergeCount = TestUtil.NextInt(Random(), maxThreadCount, maxThreadCount + 4);
ConcurrentMergeScheduler cms = new ConcurrentMergeScheduler();
cms.SetMaxMergesAndThreads(maxMergeCount, maxThreadCount);
c.SetMergeScheduler(cms);
}
if (r.NextBoolean())
{
if (Rarely(r))
{
// crazy value
c.SetMaxBufferedDocs(TestUtil.NextInt(r, 2, 15));
}
else
{
// reasonable value
c.SetMaxBufferedDocs(TestUtil.NextInt(r, 16, 1000));
}
}
if (r.NextBoolean())
{
if (Rarely(r))
{
// crazy value
c.SetTermIndexInterval(r.NextBoolean() ? TestUtil.NextInt(r, 1, 31) : TestUtil.NextInt(r, 129, 1000));
}
else
{
// reasonable value
c.SetTermIndexInterval(TestUtil.NextInt(r, 32, 128));
}
}
if (r.NextBoolean())
{
int maxNumThreadStates = Rarely(r) ? TestUtil.NextInt(r, 5, 20) : TestUtil.NextInt(r, 1, 4); // reasonable value - crazy value
if (Rarely(r))
{
// Retrieve the package-private setIndexerThreadPool
// method:
MethodInfo setIndexerThreadPoolMethod = typeof(IndexWriterConfig).GetMethod("SetIndexerThreadPool", new Type[] { typeof(DocumentsWriterPerThreadPool) });
//setIndexerThreadPoolMethod.setAccessible(true);
Type clazz = typeof(RandomDocumentsWriterPerThreadPool);
ConstructorInfo ctor = clazz.GetConstructor(new[] { typeof(int), typeof(Random) });
//ctor.Accessible = true;
// random thread pool
setIndexerThreadPoolMethod.Invoke(c, new[] { ctor.Invoke(new object[] { maxNumThreadStates, r }) });
}
else
{
// random thread pool
c.SetMaxThreadStates(maxNumThreadStates);
}
}
c.SetMergePolicy(NewMergePolicy(r));
if (Rarely(r))
{
c.SetMergedSegmentWarmer(new SimpleMergedSegmentWarmer(c.InfoStream));
}
c.SetUseCompoundFile(r.NextBoolean());
c.SetReaderPooling(r.NextBoolean());
c.SetReaderTermsIndexDivisor(TestUtil.NextInt(r, 1, 4));
c.SetCheckIntegrityAtMerge(r.NextBoolean());
return c;
}
