static void LockCanBeReleased()
{
using (var db = new LiteDatabase(connectionString))
{
StandardAnalyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
//var directorInfo = new DirectoryInfo(Environment.CurrentDirectory + "\\indexes" );
//var directory = new SimpleFSDirectory(directorInfo);
var directory = new LiteDbDirectory(db);
new IndexWriter(directory, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30),
!IndexReader.IndexExists(directory),
new Lucene.Net.Index.IndexWriter.MaxFieldLength(IndexWriter.DEFAULT_MAX_FIELD_LENGTH));
IndexWriter indexWriter = null;
while (indexWriter == null)
{
try
{
indexWriter = new IndexWriter(directory, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30),
!IndexReader.IndexExists(directory),
new Lucene.Net.Index.IndexWriter.MaxFieldLength(IndexWriter.DEFAULT_MAX_FIELD_LENGTH));
}
catch (LockObtainFailedException)
{
Console.WriteLine("Lock is taken, waiting for timeout...{0}", DateTime.Now);
Thread.Sleep(1000);
}
}
}
}
static void Do()
{
using (var db = new LiteDatabase(connectionString))
{
var directory = new LiteDbDirectory(db);
IndexTempData(directory);
IndexSearcher searcher;
var reader = DirectoryReader.Open(directory);
using (new AutoStopWatch("Creating searcher"))
{
searcher = new IndexSearcher(reader);
}
using (new AutoStopWatch("Count"))
Console.WriteLine("Number of docs: {0}", searcher.IndexReader.NumDocs);
while (true)
{
SearchForPhrase(searcher, "microsoft");
Thread.Sleep(1000);
//Console.WriteLine("Press a key to search again");
//Console.ReadKey();
}
}
}
static void Main(string[] args)
{
using (var db = new LiteDatabase(connectionString))
{
LiteDbDirectory liteDbDirectory = new LiteDbDirectory(db);
}
Do();
}
static void Main(string[] args)
{
using (var db = new LiteDatabase(connectionString))
{
LiteDbDirectory.ProvisionDatabase(db, dropExisting: true);
}
var t1 = Task.Factory.StartNew(Do);
//var t2 = Task.Factory.StartNew(Do);
//var t3 = Task.Factory.StartNew(Do);
t1.Wait();
//Task.WaitAll(t1, t2, t3);
}
private static void IndexTempData(LiteDbDirectory directory)
{
for (int outer = 0; outer < 102; outer++)
{
IndexWriter indexWriter = null;
while (indexWriter == null)
{
try
{
indexWriter = new IndexWriter(directory, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30),
!IndexReader.IndexExists(directory),
new IndexWriter.MaxFieldLength(IndexWriter.DEFAULT_MAX_FIELD_LENGTH));
}
catch (LockObtainFailedException)
{
Console.WriteLine("Lock is taken, waiting for timeout...");
Thread.Sleep(1000);
}
}
Console.WriteLine("IndexWriter lock obtained, this process has exclusive write access to index");
indexWriter.SetRAMBufferSizeMB(500);
//indexWriter.SetInfoStream(new StreamWriter(Console.OpenStandardOutput()));
//indexWriter.UseCompoundFile = false;
for (int iDoc = 0; iDoc < 1000; iDoc++)
{
//if (iDoc % 10 == 0)
// Console.WriteLine(iDoc);
Document doc = new Document();
doc.Add(new Field("id", DateTime.Now.ToFileTimeUtc().ToString(), Field.Store.YES,
Field.Index.ANALYZED, Field.TermVector.NO));
doc.Add(new Field("Title", "dog " + GeneratePhrase(50), Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.NO));
doc.Add(new Field("Body", "dog " + GeneratePhrase(50), Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.NO));
indexWriter.AddDocument(doc);
//GC.Collect();
}
Console.WriteLine("Total docs is {0}", indexWriter.NumDocs());
Console.WriteLine("Flushing and disposing writer...");
indexWriter.Flush(true, true, true);
//indexWriter.Dispose();
indexWriter.Commit();
indexWriter.Dispose();
GC.Collect();
}
}
private static void IndexTempData(LiteDbDirectory directory)
{
for (int outer = 0; outer < 5; outer++)
{
IndexWriter indexWriter = null;
while (indexWriter == null)
{
try
{
var analyzer = new StandardAnalyzer(Lucene.Net.Util.LuceneVersion.LUCENE_48);
var config = new IndexWriterConfig(Lucene.Net.Util.LuceneVersion.LUCENE_48, analyzer);
indexWriter = new IndexWriter(directory, config);
}
catch (LockObtainFailedException)
{
Console.WriteLine("Lock is taken, waiting for timeout...");
Thread.Sleep(1000);
}
}
Console.WriteLine("IndexWriter lock obtained, this process has exclusive write access to index");
//indexWriter.SetInfoStream(new StreamWriter(Console.OpenStandardOutput()));
//indexWriter.UseCompoundFile = false;
for (int iDoc = 0; iDoc < 1000; iDoc++)
{
//if (iDoc % 10 == 0)
// Console.WriteLine(iDoc);
Document doc = new Document();
doc.Add(new StringField("id", DateTime.Now.ToFileTimeUtc().ToString(), Field.Store.YES));
doc.Add(new TextField("Title", "dog " + GeneratePhrase(50), Field.Store.YES));
doc.Add(new TextField("Body", "dog " + GeneratePhrase(50), Field.Store.NO));
indexWriter.AddDocument(doc);
//GC.Collect();
}
Console.WriteLine("Total docs is {0}", indexWriter.NumDocs);
Console.WriteLine("Flushing and disposing writer...");
indexWriter.Flush(true, true);
//indexWriter.Dispose();
indexWriter.Commit();
indexWriter.Dispose();
GC.Collect();
}
}
static void Main(string[] args)
{
using (var db = new LiteDatabase(connectionString))
{
LiteDbDirectory liteDbDirectory = new LiteDbDirectory(db);
try
{
liteDbDirectory.CheckRequiredCollection();
}
catch (ConfigurationErrorsException e)
{
LiteDbDirectory.CreateRequiredCollections(db, dropExisting: true);
}
}
Do();
//var t1 = Task.Factory.StartNew(Do);
//var t2 = Task.Factory.StartNew(Do);
//var t3 = Task.Factory.StartNew(Do);
//t1.Wait();
//Task.WaitAll(t1, t2, t3);
}
static void LockCanBeReleased()
{
using (var db = new LiteDatabase(connectionString))
{
StandardAnalyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.LuceneVersion.LUCENE_48);
var directory = new LiteDbDirectory(db);
var config = new IndexWriterConfig(Lucene.Net.Util.LuceneVersion.LUCENE_48, analyzer);
IndexWriter indexWriter = null;
while (indexWriter == null)
{
try
{
indexWriter = new IndexWriter(directory, config);
}
catch (LockObtainFailedException)
{
Console.WriteLine("Lock is taken, waiting for timeout...{0}", DateTime.Now);
Thread.Sleep(1000);
}
}
}
}
static void Do()
{
//var directory = new SimpleFSDirectory(new DirectoryInfo(@"c:\temp\lucene"));
using (var db = new LiteDatabase(connectionString))
{
var directory = new LiteDbDirectory(db);
for (int outer = 0; outer < 102; outer++)
{
IndexWriter indexWriter = null;
while (indexWriter == null)
{
try
{
indexWriter = new IndexWriter(directory, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30),
!IndexReader.IndexExists(directory),
new Lucene.Net.Index.IndexWriter.MaxFieldLength(IndexWriter.DEFAULT_MAX_FIELD_LENGTH));
}
catch (LockObtainFailedException)
{
Console.WriteLine("Lock is taken, waiting for timeout...");
Thread.Sleep(1000);
}
}
Console.WriteLine("IndexWriter lock obtained, this process has exclusive write access to index");
indexWriter.SetRAMBufferSizeMB(500);
//indexWriter.SetInfoStream(new StreamWriter(Console.OpenStandardOutput()));
//indexWriter.UseCompoundFile = false;
for (int iDoc = 0; iDoc < 1000; iDoc++)
{
//if (iDoc % 10 == 0)
// Console.WriteLine(iDoc);
Document doc = new Document();
doc.Add(new Field("id", DateTime.Now.ToFileTimeUtc().ToString(), Field.Store.YES,
Field.Index.ANALYZED, Field.TermVector.NO));
doc.Add(new Field("Title", "dog " + GeneratePhrase(50), Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.NO));
doc.Add(new Field("Body", "dog " + GeneratePhrase(50), Field.Store.NO, Field.Index.ANALYZED,
Field.TermVector.NO));
indexWriter.AddDocument(doc);
//GC.Collect();
}
Console.WriteLine("Total docs is {0}", indexWriter.NumDocs());
Console.WriteLine("Flushing and disposing writer...");
indexWriter.Flush(true, true, true);
//indexWriter.Dispose();
indexWriter.Commit();
indexWriter.Dispose();
GC.Collect();
}
IndexSearcher searcher;
using (new AutoStopWatch("Creating searcher"))
{
searcher = new IndexSearcher(directory);
}
using (new AutoStopWatch("Count"))
Console.WriteLine("Number of docs: {0}", searcher.IndexReader.NumDocs());
while (true)
{
SearchForPhrase(searcher, "microsoft");
Thread.Sleep(1000);
//Console.WriteLine("Press a key to search again");
//Console.ReadKey();
}
}
}
