Max supervisor slots

[Walid Aljoby]

Hi Everyone,
I have a question please about the maximum typologies that can be processed by 
Apache storm production cluster?
Although the number of slots per supervisor is four(6700,6701,6702,6703), but 
when I submitted four typologies, I noted only three were running in parallel, 
while one of the typologies does not assigned to any worker. So I was wondering 
if someone help why slot 6703 does not appear to be active in the cluster..
Thanks and Regards,
--WA