Hash slots
Redis Cluster uses 16384 hash slots. CRC16(key) mod 16384. Slots map to nodes. Reshard = move slots.
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Hash slots
Redis Cluster uses 16384 hash slots. CRC16(key) mod 16384. Slots map to nodes. Reshard = move slots.
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Client routing
Smart clients cache the slot→node map. On MOVED response, refresh. Dumb clients rely on proxy.