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How We Efficiently Manage a Large Number of DB Instances on LINE MySQL Platform - Takuya Saeki
歡迎來到 https://hackmd.io/@coscup/2024 共筆
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介紹MUH(MySQL Upgrade helper) 平台
透過HUM平台可以線上完成upgrade,migration,rollback…
切換流程 - 離線版
切換流程 - 線上版
案例分享
MySQL 5.7 -> 8.0 升級
utf8mb4_bin 5.7 不認識,造成 replication failed
使用 MySQL 8.0 backward-replication 模式,同步回 5.7 DB
DDL(Data Definition Language)
SQL執行指令,可以用於調整資料庫架構。
Safe DDL 自動前處理檢查DDL執行錯誤
總結
Q&A
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