6 . make some amendments to the daily logfile system : write the daily logging data to the memory using cache technology , mitigating the problem of dom insufficient space ; avoid logfile overflow by using daily log queue technology ; cope with repulsion problem of data logging and data sending 6 .对日志系统做了如下改进:使用cache技术,把日志数据、写在内存中,缓解了dom空间不足的问题;使用日志队列技术避免日志溢出;实现了日志和日志发送程序互斥的访问日志数据。