一种采用Chord协议的网格日志系统

为记录在大规模网格环境中发生的事件,提出了一种联合使用服务和Chord协议的日志服务系统.通过Chord协议中的一致哈希算法,把采用订阅通知的方式收集来的系统节点的性能数据和系统中所发生事件的记录,分布式存储于日志服务系统中;为了把Chord协议和Web service相结合,对Chord协议的节点加入算法做了修改,使得数据发布服务可以作为Chord节点动态加入离开Chord网;为了在日志系统中查询数据,在Chord协议基础上加入了基于元数据查询的算法.

A Chord protocol based grid log system

To record the events happened in the large scale grid environment,a log service system was proposed,which combined both of web service technology and Chord protocol.The performance data and events happened in the system,which were collected by the way of submission and notification,were dispersedly stored in the log system using the consisting hash algorithm of the Chord protocol.The Chord protocol was modified in order to make data publisher services be able to join and leave the Chord net dynamically which is the way of combining Chord protocol and web service technology.And a new data search algorithm which searches data by the meta data of it was developed based on the Chord protocol.