private void RemoveFile(string filePath)
 {
     if (File.Exists(filePath))
     {
         int maxReties = metadataConfiguration.GetFileOperationRetryCount();
         int timeout   = metadataConfiguration.GetFileOperationTimeout();
         for (int i = 1; i <= maxReties; i++)
         {
             try
             {
                 File.Delete(filePath);
                 break;
             }
             catch (IOException)
             {
                 if (i < maxReties)
                 {
                     Thread.Sleep(timeout);
                 }
                 else
                 {
                     throw;
                 }
             }
         }
     }
 }