分布访问环境中的数据缓存体系研究

Research of the Cache System in a Distributed Access Environment

本文讨论一种分布信息访问环境下提高数据利用率和减少通信流量的分布缓存体系。通过引入缓存节点 ,该缓存体系能缓存集成多数据源的信息 ,并能使多个用户相互重用数据缓存 ,提高缓存的命中率。该缓存体系采用了多种方法 ,很好地解决了单数据源和集成多数据源的数据缓存一致性问题。

To promote data access efficiency a nd reduce communications throughput,the distributed cache system in a distribute d information access environment is discussed in this paper.The system can cache the data integrated from multiple data sources via cache nodes.Multiple users c an use the data cache simultaneously,which greatly improves the hit ratio.The ca che system adopts various methodologies to keep the consistency of the data cach e which is not only from single data source but also integrated from multiple da ta sources.