Maybe this is just a documentation glitch, but when I set up a backup-user with the privileges as described here and then run mariabackup under this user, I see `Missing required privilege CONNECTION ADMIN`.
Now, I don't mind adding this privilege for the backup-user, but the fact that the documentation doesn't mention this makes me wonder if I'm doing something wrong..
Now because I'm running a Galera-cluster using mariabackup as SST-method, and SST-documentation states that "The user account that performs the backup for the SST needs to have the same privileges as Mariabackup, which are the RELOAD , PROCESS, LOCK TABLES and REPLICATION CLIENT global privileges.", I'm wondering if I also should be adding the `CONNECTION ADMIN` privilege to the SST-user..
.. or am I just chasing a red herring, since everything seems to be running smooth? It's all a bit confusing to me.
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Bug
Major
According to the code
extra/mariabackup/xtrabackup.cc
check_result |= check_privilege(granted_privileges,PRIVILEGE_WARNING);it needs CONNECTION ADMIN privilege to kill long queries. Which is used if you have not specified --no-lock and specified --kill-long-queries-timeout or --kill-long-query-type.