public void PutToCache(PutRecordsRequest putRecordsRequest)
        {
            LOGGER.InfoFormat("Put records to cache, record size: {0}, cache dir: {1}.",
                              putRecordsRequest.Records.Count,
                              disConfig.GetDataCacheDir());
            string data = JsonConvert.SerializeObject(putRecordsRequest);

            //synchronized(this)
            lock (this)
            {
                if (NeedToArchive(data))
                {
                    // 缓存临时文件归档
                    LOGGER.DebugFormat("Need to archive cache tmp file, filename: '{0}'.", dataTmpFileName);
                    Archive();
                }

                if (HasEnoughSpace(data))
                {
                    WriteToFile(data);
                }
                else
                {
                    LOGGER.ErrorFormat("Put to cache failed, cache space is not enough, configured max dir size: {0}.",
                                       disConfig.GetDataCacheDiskMaxSize());
                }
            }
        }