Full-Stack Internet Architecture
Sep 24, 2021 · Databases
Understanding Redis Cluster Slot Mechanism, CRC16 Hashing, and Gossip Heartbeat Protocol
This article explains the three Redis clustering modes, details how Redis Cluster uses 16384 hash slots calculated by CRC16, describes the rationale behind the slot count, and outlines the gossip‑based heartbeat communication and message format between master nodes.
BackendCRC16Gossip
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