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我有一个httpmodule将对该站点的每次访问记录到一个 lucene 索引中。该站点托管在godaddy上，即使我在页面上几乎没有任何东西我进行测试（大约3kb，包括css），它运行缓慢。

如果我尝试刷新几次，在第二次或第三次刷新后我会Lock obtain timed out: SimpleFSLock出错。

我的问题是，我做错了什么吗？还是这是正常行为？有没有办法克服这个问题？

我的代码：

        //state the file location of the index
        string indexFileLocation = System.IO.Path.Combine(HttpContext.Current.ApplicationInstance.Server.MapPath("~/App_Data"), "Analytics");
        Lucene.Net.Store.Directory dir = Lucene.Net.Store.FSDirectory.GetDirectory(indexFileLocation, false);

        //create an analyzer to process the text
        Lucene.Net.Analysis.Analyzer analyzer = new Lucene.Net.Analysis.Standard.StandardAnalyzer();

        //create the index writer with the directory and analyzer defined.
        Lucene.Net.Index.IndexWriter indexWriter = new Lucene.Net.Index.IndexWriter(dir, analyzer, false);

        //create a document, add in a single field
        Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document();
        doc.Add(new Lucene.Net.Documents.Field("TimeStamp", DateTime.Now.ToString(), Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.NOT_ANALYZED, Lucene.Net.Documents.Field.TermVector.NO));
        doc.Add(new Lucene.Net.Documents.Field("IP", request.UserHostAddress.ToString(), Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.NOT_ANALYZED, Lucene.Net.Documents.Field.TermVector.NO));

        //write the document to the index
        indexWriter.AddDocument(doc);

        //optimize and close the writer
        //indexWriter.Optimize();
        indexWriter.Close();
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