记录一次 MariaDB 升级后输出大量错误日志,系统负载异常的解决办法

今天把 Docker 里跑的 MariaDB 更新到 10.8.3,接着发现群晖的系统负载有异常,于是检查了数据库日志,发现有下面这样的报错信息。

2022-05-24 21:04:11 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:11 4 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:11 0 [Note] InnoDB: Buffer pool(s) load completed at 220524 21:04:11
2022-05-24 21:04:12 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:12 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:12 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:12 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).
2022-05-24 21:04:12 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'hist_type' at position 9 to have type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), found type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB').
2022-05-24 21:04:12 3 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'histogram' at position 10 to have type longblob, found type varbinary(255).

立马意识到是是升级 MariaDB 后,管理数据库的表结构发生了变化,于是使用升级指令进行数据库修复。

mysql_upgrade -u root -p

file

修复完成后错误不再增加,因为我是在 Docker 中跑的,查阅文档发现可以加一个环境变量 MARIADB_AUTO_UPGRADE=1 来避免未来升级再次出现类似情况。用法参考

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By 马丁龙猪

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