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Invention Publication
CN102971732A 键/值存储器的集成分级查询处理的系统结构 有权

  • Patent Title: 键/值存储器的集成分级查询处理的系统结构
  • Patent Title (English): System architecture for integrated hierarchical query processing for key/value stores
  • Application No.: CN201180033303.8
    Application Date: 2011-06-30
  • Publication No.: CN102971732A
    Publication Date: 2013-03-13
  • Inventor: 吴建明 , 施广宇 , 马苏德·莫塔扎维 , 阿夫兰·卡普雅
  • Applicant: 华为技术有限公司
  • Applicant Address: 广东省深圳市龙岗区坂田华为总部办公楼
  • Assignee: 华为技术有限公司
  • Current Assignee: 华为技术有限公司
  • Current Assignee Address: 广东省深圳市龙岗区坂田华为总部办公楼
  • Priority: 61/361,256 2010.07.02 US; 13/098,177 2011.04.29 US
  • International Application: PCT/CN2011/076716 2011.06.30
  • International Announcement: WO2012/000448 EN 2012.01.05
  • Date entered country: 2013-01-04
  • Main IPC: G06F17/30
  • IPC: G06F17/30
键/值存储器的集成分级查询处理的系统结构
Abstract:
一种键/值存储器，所述键/值存储器包括：第一层存储装置，其经配置以存储关于多个值的多个键的信息，而不存储所述值；以及第二层存储装置，其耦接到所述第一层存储装置，且经配置以存储与所述键关联的值，而不存储所述键，其中与所述第二层存储装置相比，所述第一层存储装置具有较短的等待时间和较大的吞吐量，且其中与所述第一层存储装置相比，所述第二层存储装置具有较大的容量。本发明还公开了一种方法，所述方法包括：在第一层存储装置接收键/值操作请求；如果所述键/值操作请求有效，将所述键/值操作请求中的键映射到存储在第二层存储装置中的定位器；以及如果所述键具有相应的定位器，将所述定位器映射到第三层存储装置中的值。
Abstract(English):

A key/value store comprising a first tier storage device configured to store information about a plurality of keys for a plurality of values without the values, and a second tier storage device coupled to the first tier storage device and configured to store the values associated with the keys without the keys, wherein the first tier storage device has lower latency and higher throughput than the second tier storage device, and wherein the second tier storage device has higher capacity than the first tier storage device. Also disclosed is a method comprising receiving a key/value operation request at a first tier storage device, mapping a key in the key/value operation request to a locator stored in a second tier storage device if the key/value operation request is valid, and mapping the locator to a value in a third tier storage device if the key has a corresponding locator.

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