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1. 发明申请

US20110314019A1 PARALLEL PROCESSING OF CONTINUOUS QUERIES ON DATA STREAMS 审中-公开
标题翻译：数据流连续查询并行处理
公开(公告)号：US20110314019A1
公开(公告)日：2011-12-22
申请号：US13112628
申请日：2011-05-20
申请人： Ricardo Jimenez Peris , Marta Patiño Martinez
发明人： Ricardo Jimenez Peris , Marta Patiño Martinez
IPC分类号： G06F17/30
CPC分类号： G06F16/24568 , G06F9/5066 , G06F9/5088 , G06F16/24532
摘要： A continuous query parallel engine on data streams provides scalability and increases the throughput by the addition of new nodes. The parallel processing can be applied to data stream processing and complex events processing. The continuous query parallel engine receives the query to be deployed and splits the original query into subqueries, obtaining at least one subquery; each subquery is executed in at least in one node. Tuples produced by each operator of each subquery are labeled with timestamps. A load balancer is interposed at the output of each node that executes each one of the instances of the source subquery and an input merger is interposed in each node that executes each one of the instances of a destination subquery. After checks are performed, further load balancers or input managers may be added.
摘要翻译：数据流上的连续查询并行引擎提供可扩展性，并通过添加新节点来增加吞吐量。并行处理可以应用于数据流处理和复杂事件处理。连续查询并行引擎接收要部署的查询，并将原始查询拆分为子查询，获取至少一个子查询; 每个子查询至少在一个节点中执行。每个子查询的每个运算符生成的元组都标记有时间戳。在每个节点的输出处插入负载平衡器，该输出执行源子查询的每个实例，并且在执行目标子查询的每个实例的每个节点中插入输入合并。执行检查后，可以添加进一步的负载平衡器或输入管理器。

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