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案例 - SDD 的由来和设计. 蓝金伟 (lanjinwei@gmail.com). 通读 Dynamo 论文. Dynamo: Amazon’s Highly Available Key-value Store Amazon 主要强调了 dynamo 的高可用. 核心数据结构. Ring( 环状结构 ). 技术要点. 一致性 hash 向量 时钟 故障 处理 节点维护. SDD 的设计图. 基本参照 dynamo 的思想. SDD 的实现. C++ NRW = 322 MC 协议 MCDB Gossip 协议 一致性 hash

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案例-SDD的由来和设计

蓝金伟(lanjinwei@gmail.com)


Dynamo
通读 Dynamo 论文

  • Dynamo: Amazon’s Highly Available Key-value Store

  • Amazon主要强调了

    dynamo的高可用


核心数据结构

  • Ring(环状结构)


技术要点

  • 一致性hash

  • 向量时钟

  • 故障处理

  • 节点维护


SDD的设计图

  • 基本参照

    dynamo

    的思想


SDD的实现

  • C++

  • NRW=322

  • MC协议

  • MCDB

  • Gossip协议

  • 一致性hash

  • Membership

  • Bdb

  • 历时2个月


SDD的问题

  • 应用方认为太浪费了,因为SDD采用1式三份的机制

  • 应用方认为运维工具不够成熟,需要完善

  • 应用方认为性能没有mc,mcdb高


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