How Meizu Scales Cloud Sync: Protocols, Architecture & Data Handling

This article explains Meizu's cloud synchronization system, detailing its custom MZ‑SyncML, Semi‑Sync, File‑Sync and One‑Sync protocols, the multi‑IDC deployment, routing components, data format optimizations, and modular backend architecture that together support millions of users with high availability and efficient data transfer.

backend servicescloud syncdata optimization

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How Meizu Scales Cloud Sync: Protocols, Architecture & Data Handling

Art of Distributed System Architecture Design

May 23, 2015 · Backend Development

Facebook Messenger New Sync Protocol: Push‑Based Snapshot and Incremental Updates with Iris Queue

Facebook Messenger switched from a pull‑based JSON over HTTPS model to a push‑based snapshot‑incremental architecture using MQTT, Thrift, and a dual‑pointer Iris queue backed by MySQL and flash storage, cutting non‑media payload by 40% and reducing send‑failure rates by roughly 20%.

Iris queueMQTTMessenger

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