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    • 3. 发明申请
    • ADAPTIVE RESOURCE ALLOCATION FOR PARALLEL EXECUTION OF A RANGE QUERY
    • 自适应资源分配并行执行范围查询
    • US20100332660A1
    • 2010-12-30
    • US12495550
    • 2009-06-30
    • Rodrigo FONSECABrian Frank COOPERAdam SILBERSTEINYmir VIGFUSSON
    • Rodrigo FONSECABrian Frank COOPERAdam SILBERSTEINYmir VIGFUSSON
    • G06F15/173G06F15/177
    • G06F16/2455
    • A method of allocating servers for range requests includes receiving a range request for items in a database that is distributed across storage devices that are accessible through corresponding servers in a network that includes the storage devices and the servers; and initializing a server-allocation value for the range request, where the server-allocation value specifies a number of servers to allocate for executing the range request. The method further includes executing the range request by allocating the servers and using the allocated servers to provide values from the range request to a client that accesses the network; and updating the server-allocation value while executing the range request to improve a consumption rate for the client by comparing changes in the consumption rate with changes in the number of allocated servers.
    • 分配用于范围请求的服务器的方法包括:接收针对跨存储设备分布的数据库中的项目的范围请求,所述存储设备可通过包括存储设备和服务器的网络中的相应服务器访问; 并为范围请求初始化服务器分配值,其中服务器分配值指定要分配的服务器数量,用于执行范围请求。 该方法还包括通过分配服务器并使用所分配的服务器来执行范围请求,以从范围请求提供访问网络的客户端的值; 以及在执行所述范围请求时更新所述服务器分配值,以通过将所述消费率的变化与所分配的服务器的数量的变化进行比较来提高所述客户端的消费率。