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    • 41. 发明授权
    • Stream data processing system and stream data processing method
    • 流数据处理系统和流数据处理方法
    • US07644110B2
    • 2010-01-05
    • US11359540
    • 2006-02-23
    • Itaru NishizawaTsuneyuki Imaki
    • Itaru NishizawaTsuneyuki Imaki
    • G06F17/30
    • G06F17/30516Y10S715/968
    • A stream data processing system restrains the generation of communication traffic in the case of distributing loads by using a plurality of information processing devices. The global query is divided into a plurality of processes. At every divided process, a local query which includes the corresponding process is generated and each local query is set to a query processing device different from each other. In addition, the stream data is transmitted among a plurality of query processing devices in order so as to execute the local query in each query processing device. At this time, the entire stream data does not transmitted among the query processing devices in order. At least a part of the corresponding stream data is stored in a proxy device. When data received from an information processing device located in immediately before does not include the target data of the local query, the query processing device reads the corresponding data from the proxy device and executes the local query.
    • 流数据处理系统通过使用多个信息处理装置来限制在分发负载的情况下的通信流量的产生。 全局查询分为多个进程。 在每个划分的过程中,生成包括相应进程的本地查询,并将每个本地查询设置为彼此不同的查询处理设备。 此外,顺序地在多个查询处理装置之间传送流数据,以便在每个查询处理装置中执行本地查询。 此时,整个流数据不会在查询处理装置之间依次发送。 相应流数据的至少一部分被存储在代理设备中。 当从位于紧邻的信息处理装置接收的数据不包含本地查询的目标数据时,查询处理装置从代理装置读取相应的数据并执行本地查询。
    • 43. 发明授权
    • Web system having clustered application servers and clustered databases
    • 具有集群应用服务器和群集数据库的Web系统
    • US06820085B2
    • 2004-11-16
    • US10075263
    • 2002-02-15
    • Itaru NishizawaNobutoshi Sagawa
    • Itaru NishizawaNobutoshi Sagawa
    • G06F1730
    • G06F17/30902Y10S707/99932Y10S707/99938
    • The present invention improves the scalability of application servers and database servers in Web systems, thereby providing higher cost-performance Web systems. The session state of an application is stored in a clustered cache database as required. This enables another application running on an arbitrary cluster server to read the stored session state from the clustered cache database to continue the processing of the application. In addition, a cache database cluster in which data can be updated on the cluster servers is configured, thereby providing a mechanism of causing them to synchronize with the database servers as necessary. Furthermore, a mechanism of adding cache databases to the cache database cluster, thereby enabling the system to respond to an increase in database access load.
    • 本发明提高了Web系统中应用服务器和数据库服务器的可扩展性,从而提供了更高性价比的Web系统。 应用程序的会话状态根据需要存储在群集缓存数据库中。 这使得在任意集群服务器上运行的另一个应用程序可以从集群缓存数据库读取存储的会话状态,以继续处理应用程序。 另外,配置了可以在集群服务器上更新数据的高速缓存数据库集群,从而提供使其在必要时与数据库服务器同步的机制。 此外,还有一种将缓存数据库添加到高速缓存数据库集群的机制,从而使系统能够响应数据库访问负载的增加。