How to change config of mysql after install?

MySQL & MariaDB Percona Operator for MySQL
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I deployed mysqlcluster percona helm charts pxc operator, I can not change config for mysql from config map: auto-mysqlcluster-pxc-db-pxc. After I changed, It was reseted.
I tried to create config map named “mysqlcluster-pxc-db-pxc” but not affected.

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@namvan
I’ve just checked on my deployment.
After you create config map “mysqlcluster-pxc-db-pxc” , you need to restart pods one by one, so after the restart a pod will pickup a new config

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Thank you for your help.
I did wrong restart by run (nothing restarted):
kubectl rollout restart statefulset…
I delete pods and config affected.

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