state syncadvancedGitHub Discussions of a mainstream frameworkMAX
Sync Log Retention Versus Late-Rejoining Clients : Presence and Ephemeral State at Scale
RustSQLiteMerkle TreesProtobuf
Problem Breakdown
The scaling defect is treating ephemeral presence (cursors, viewports, typing indicators) with the same per-message fidelity as durable data: presence has no correctness requirement (a stale cursor is harmless) but an extreme message-volume requirement, and applying durable-data semantics to it wastes an order of magni…
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