Excessive resource usage: rocketchat

Just installed RC about 2 weeks ago, now I’ve been bombarded with emails every minute with these Alert messages from RC & MongoDB users:

Excessive resource usage: rocketchat
Excessive resource usage: mongod

What I see strange is when I do top, mongod is taking less than 1% CPU & RAM - please see attached report from top… very confusing…

I was wondering if anyone has seen similar issue and how can this be resolved ?

Thanks.
-AJ

does the rocketchat server itself work? startpage appear? what deployment you choose? tar ? snap? docker?