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    • 9. 发明授权
    • Distributed system
    • 分布式系统
    • US08892567B2
    • 2014-11-18
    • US13186317
    • 2011-07-19
    • Christoph Gerdes
    • Christoph Gerdes
    • G06F17/30
    • G06F17/30575
    • A distributed system having a plurality of nodes, wherein the system comprises a set of index nodes for providing a searchable index which comprises metadata for locating data in the system, the set of index nodes is divided into read zones comprising a group of index nodes containing the complete searchable index, and the read zones are subdivided in write zones, each write zone comprising at least one index node containing a partition of said searchable index; and includes a master index node maintaining an index structure of said searchable index by collecting from each index node measures of the current read and write throughput of the respective index node dependent on a current load of the respective index node, where the master index node re-configures the read zones and the corresponding write zones in response to the measured read and write throughputs and the measured loads of the index nodes.
    • 一种具有多个节点的分布式系统,其中所述系统包括一组索引节点,用于提供可搜索的索引,所述索引节点包括用于在所述系统中定位数据的元数据,所述索引节点集合被划分为包含一组索引节点的读取区域,所述索引节点包含 完整的可搜索索引和读取区域被细分为写入区域,每个写入区域包括至少一个包含所述可搜索索引的分区的索引节点; 并且包括主索引节点,其通过从每个索引节点收集依赖于相应索引节点的当前负载的各个索引节点的当前读取和写入吞吐量的度量来维护所述可搜索索引的索引结构,其中主索引节点重新 - 响应于测量的读取和写入吞吐量以及索引节点的测量负载来配置读取区域和相应的写入区域。