高性能的异步复制系统的设计  

Design of high-performance asynchronous device replication system

作　　者：肖晋川[1] 张淑萍[1] 

机构地区：[1]北京计算机技术与应用研究所,北京100854

出　　处：《计算机工程与设计》2008年第21期5440-5443,5585,共5页Computer Engineering and Design

摘　　要：为了提高整个远程复制系统的性能,对卷复制系统进行了优化。采用了多线程并行处理技术和流水线技术,设计了一种高性能的日志和位图,采用了网络自适应的复制协议和高效的请求合并策略。实验结果表明,该优化策略减少了应用等待的时间,降低了网络发送的时间开销,合理利用了有限的复制带宽,提高了复制效率。In order to improve its performance, the remote device replication system is optimized. A design ofremote device replication system is presented, which uses multi-thread parallel processing and pipelining technology. High-performance log and bitmap reduce the waiting time for application I/O operation. The replication system is based on a self-adaptive asynchronous device replication protocol and a fast request mergence strategy, which are able to reduce the time for net dispatching, and make the most of the net band for replication. Experiments show that the replication system is able to improve the performance of replication evidently.

关 键 词：多线程 流水线 日志 双位位图 异步复制 自适应 合并策略 

分 类 号：TP309.3[自动化与计算机技术—计算机系统结构]