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shardedkv's Introduction

分布式分片KV存储系统

Sharded Distributed KV Storage

实现功能

  • 存储系统支持GetPutAppend 三种操作
  • 包含一个基于 Raft 容错的 ShardMaster , 以及几个 Raft Group
  • 数据分片存储于 Raft Group 的复制状态机
  • ShardMaster 用于添加、删除 Raft Group 以及在 Raft Group 之间移动数据分片
  • Client 访问 ShardMaster 获得 key 所在的 Raft Group ;访问 Raft Group 中的 leader 执行读取和修改数据的操作
  • Raft 实现:
    • 领导人选举
    • 日志同步
    • 通过快照加速故障恢复

架构

Raft论文及研读笔记

Raft 论文

Raft 研读笔记

shardedkv's People

Contributors

xutongli avatar

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