多副本存储系统及多副本存储方法
CN121900997BActive Publication Date: 2026-07-17ALIBABA CLOUD COMPUTING CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ALIBABA CLOUD COMPUTING CO LTD
- Filing Date
- 2026-03-23
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In existing multi-replica storage systems, replica write operations suffer from high network communication overhead and high write latency.
Method used
It adopts a shared memory pool architecture based on a high-speed interconnect protocol, which enables direct data transfer between requesting nodes, master nodes and slave nodes through the shared memory pool. It adopts a single producer and multiple consumer access mode, combined with cache line aligned metadata layout and DMA persistence, to reduce network round-trip overhead and reduce write latency.
Benefits of technology
It achieves a low-latency, high-efficiency multi-replica storage system, reducing cross-node network communication overhead and improving write efficiency.
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Figure CN121900997B_ABST
Abstract
本说明书实施例提供多副本存储系统及多副本存储方法，多副本存储系统包括请求节点、主节点和从节点，以及基于高速互联协议的共享内存池，共享内存池包括元数据区域、从节点反馈区域和数据块区域；请求节点，被配置为获取目标写入请求，将目标写入请求写入共享内存池的元数据区域和数据块区域，并通过共享内存池将目标写入请求传递至主节点；主节点，被配置为访问共享内存池获取目标写入请求，将目标写入请求写入第一本地存储单元，并通过共享内存池将目标写入请求传递至从节点；从节点，被配置为访问共享内存池获取目标写入请求，将目标写入请求写入第二本地存储单元，并向共享内存池的从节点反馈区域写入反馈信号。节省了跨节点网络开销。
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