Tech Freedom Circle

Sep 4, 2025 · Backend Development

How to Solve ES Latency in MySQL‑Canal Sync and Indexing Scenarios?

The article dissects the interview question about ES latency in a MySQL‑Canal‑to‑Elasticsearch pipeline, explains the root causes across four system layers, and presents a comprehensive four‑layer optimization, end‑to‑end observability, routing‑based degradation, and a Java‑based LatencyProbe component to measure and control delay.