2.5 years of data - Last updated on 2022-01-01
This means the same mechanism that pushes video frames to call participants also pushes chat messages, user presence changes, and call state transitions. When someone sends a chat message, it gets INSERTed, appears in the replication stream, and gets forwarded to every connected client. When a user disconnects, their row gets DELETEd, and everyone sees them go offline.，这一点在新收录的资料中也有详细论述
。关于这个话题，新收录的资料提供了深入分析
发布会现场 图片来源：客户提供
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