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Distributed Storage System With Web Services Client Interface

机译:具有Web Services客户端界面的分布式存储系统

摘要

A distributed, web-services based storage system. A system may include a web services interface configured to receive, according to a web services protocol, a given client request for access to a given data object, the request including a key value corresponding to the object. The system may also include storage nodes configured to store replicas of the objects, where each replica is accessible via a respective unique locator value, and a keymap instance configured to store a respective keymap entry for each object. For the given object, the respective keymap entry includes the key value and each locator value corresponding to replicas of the object. A coordinator may receive the given client request from the web services interface, responsively access the keymap instance to identify locator values corresponding to the key value and, for a particular locator value, retrieve a corresponding replica from a corresponding storage node.
机译:一种基于Web服务的分布式存储系统。系统可以包括网络服务接口,该网络服务接口被配置为根据网络服务协议接收对给定数据对象的访问的给定客户端请求,该请求包括与该对象相对应的密钥值。该系统还可以包括:存储节点,被配置为存储对象的副本,其中每个副本可通过各自的唯一定位符值来访问;以及键映射实例,其被配置为存储每个对象的各自的键映射条目。对于给定的对象,相应的键映射表项包括键值和对应于对象副本的每个定位符值。协调器可以从Web服务接口接收给定的客户端请求,响应地访问键映射实例以标识与键值相对应的定位符值,并且对于特定的定位符值,可以从相应的存储节点中检索相应的副本。

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