mysql表空間加密

ERROR 3185 (HY000): Can't find master key from keyring, please check in the server log if a keyring plugin is loaded and initialized successfully. 看到這個報錯，感覺很陌生，查了下資料是表空間加密文件被刪除了，順便了解下表空間加密。 MySQL5.7開始

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