监控发现公司一台MySQL 8.0.26 的错误日志中出现大量下面告警信息：
[Warning] [MY-013712] [Server] No suitable ‘keyring_component_metadata_query’ service implementation found to fulfill the request.
搜索资料发现，其实这个是一个Bug来着（详情见参考资料的链接），如果MySQL实例没有任何MySQL keyring组件的话，就可能遇到这个Bug
[13 May 12:43] Marcelo Altmann
Description:
If your server is started without any keyring component, querying performance_schema.keyring_component_status logs an warning to the error log:
2021-05-13T12:06:03.625555Z 112 [Warning] [MY-013712] [Server] No suitable ‘keyring_component_metadata_query’ service implementation found to fulfill the request.
How to repeat:
Start MySQL without any keyring component and log verbosity = 3.
Run: SELECT * FROMperformance_schema.keyring_component_status;
[13 May 12:50] MySQL Verification Team
Hello Marcelo,
Thank you for the report and feedback.
regards,
Umesh
[26 Aug 16:27] Marcelo Altmann
Patch generated based on tag mysql-8.0.26
(*) I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.
Contribution: bug_103684.patch (application/octet-stream, text), 824 bytes.
[27 Aug 14:00] MySQL Verification Team
Thank you for your contribution.
regards,
Umesh
检查验证，确实没有任何mysqlkeyring组件
bug_103684.patch资料如下
参考资料：
https://bugs.mysql.com/bug.php?id=103684
https://dev.mysql.com/doc/dev/mysql-server/latest/group__group__keyring__component__services__inventory.html
Original: https://www.cnblogs.com/kerrycode/p/15265122.html
Author: 潇湘隐者
Title: MySQL Bug:No suitable ‘keyring_component_metadata_query’ service implementation found to fulfill the request
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