As you've seen from the thread there are little possibility to contol
who is allowed to connect to the ndb_mgmd.
We are aware that this is an issue, but we have not decided on which
release to bring such a thing in.
Len Kranendonk wrote:
>Is there a way to configure ndb_mgmd so that only "super-users" can
>perform cluster management tasks ?
>I have set up a two node cluster using the "16.3.3 Quick Test Setup" from
>the MySQL manual. At the moment any user able to run ndb_mgm can
>shut down the cluster.