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    • 12. 发明授权
    • Hierarchy of servers for query processing of column chunks in a distributed column chunk data store
    • 在分布式列组块数据存储中查询处理列块的服务器层次结构
    • US09576024B2
    • 2017-02-21
    • US14528688
    • 2014-10-30
    • Google Inc.
    • Radha Krishna Uppala
    • G06F7/00G06F17/30
    • G06F17/30424G06F17/30371G06F17/30445G06F17/30545G06F17/30584Y10S707/969Y10S707/973
    • An improved system and method for query processing in a distributed column chunk data store is provided. A distributed column chunk data store may be provided by multiple storage servers operably coupled to a network. A storage server provided may include a database engine for partitioning a data table into the column chunks for distributing across multiple storage servers, a storage shared memory for storing the column chunks during processing of semantic operations performed on the column chunks, and a storage services manager for striping column chunks of a partitioned data table across multiple storage servers. Query processing may be performed by storage servers or query processing servers operably coupled by a network to storage servers in the column chunk data store. To do so, a hierarchy of servers may be dynamically determined to process execution steps of a query transformed for distributed processing.
    • 提供了一种用于分布式列块数据存储中的查询处理的改进的系统和方法。 分布式列组块数据存储可以由可操作地耦合到网络的多个存储服务器提供。 提供的存储服务器可以包括数据库引擎,用于将数据表划分成用于在多个存储服务器上分发的列块;存储共享存储器,用于在对列块执行的语义操作的处理期间存储列块;以及存储服务管理器 用于跨多个存储服务器分区分区数据表的列块。 查询处理可以由存储服务器或查询处理服务器通过网络可操作地耦合到列组块数据存储器中的存储服务器来执行。 为此,可以动态地确定服务器的层次结构,以处理转换为分布式处理的查询的执行步骤。