Relay Log Recovery

Tencent Database Technology

Feb 22, 2022 · Databases

Analysis of Relay Log Recovery and Crash Safety in MySQL GTID‑Based and Binary‑Log‑File‑Position Replication

This article examines how MySQL slaves recover their replication state in GTID‑based and binary‑log‑file‑position scenarios, identifies unsafe factors that can cause crash‑unsafe behavior, and explains how enabling relay_log_recovery=on mitigates these risks while outlining remaining limitations.