COSCUP2020
中階
TR311
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讓系統盡可能長時間正常的運行,eg.99.9%
在遇到災難時,數據可以100%被找回來的能力。
(補:如果你的系統是一台戰機,駕駛員是你的核心數據,那跳傘就是保證在遇到災難時,核心數據可以被保存,業務可以被重新建立)
mysqlbinlog
備份MySQL 5.6 增加 Delayed Slave 功能,可以做到建立一個延遲24H的從資料庫,達成一個24H前的快照副本。
將備份數據倒回Check Slave(優先:0)
,透過增量備份將最新修改應用到Check Slave(優先:0)
,對每條數據和線上資料庫作邏輯資料核對。
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