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安装集群报错The error was: 'kuboardspray_extra_downloads' is undefined\

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TASK [download : Add kuboard-spray extra downloads] **************************** task path: /data/resource/spray-v2.18.0a-2_k8s-v1.23.3_v1.6-amd64/content/3rd/kubespray/roles/download/tasks/main.yml:38 fatal: [master]: FAILED! => { "msg": "The task includes an option with an undefined variable. The error was: 'kuboardspray_extra_downloads'...

使用mydumper 备份大库,经常出现mydumper:7767 的错误 ** (mydumper:7767): CRITICAL **: 18:10:49.468: Could not read data from community.entity_property: Lost connection to MySQL server during query