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Xiaohongshu Tech REDtech
Xiaohongshu Tech REDtech
Jul 4, 2022 · Databases

RedKV: Xiaohongshu's Distributed NoSQL KV Storage System

RedKV, Xiaohongshu’s self‑developed distributed NoSQL key‑value store, combines a Redis‑compatible interface, RocksDB‑backed storage, and a shard‑managed multi‑cloud architecture that delivers three‑times higher write throughput, 1.5‑times read throughput, 40 % cost savings versus HBase, and sub‑5 ms P999 latency for petabyte‑scale workloads.

DatabaseDistributed KVLZ4 compression
0 likes · 25 min read
RedKV: Xiaohongshu's Distributed NoSQL KV Storage System
Tencent Music Tech Team
Tencent Music Tech Team
May 27, 2016 · Databases

Cross‑IDC Disaster Recovery Solution for KV Storage via a Proxy Layer

The article proposes a cross‑IDC disaster‑recovery architecture for key‑value stores that uses a storage proxy layer to record write logs in the primary data center, forward them to a read‑only backup center for replay, and route reads via load‑balancing, while noting current limitations such as complex configuration, low synchronization concurrency, and lack of multi‑write support.

DatabaseHigh AvailabilityKV storage
0 likes · 4 min read
Cross‑IDC Disaster Recovery Solution for KV Storage via a Proxy Layer