I’m planning an MIT KDC installation for a hadoop cluster consisting of X
clients with Y kerberized services each. The KDCs are rather powerful machines
with 64 cores and 125G of RAM. I want to get the most out of this hardware and
use the mininum number of KDCs required. Is there a rule of thumb for
situations like this?
For example, imagining X=300 and Y=10, can/should I run X*Y (3000) workers to
accomodate the worst case scenario when they all want to get their tickets? Or
can I assume that X*Y/2 will can handle that?
I would appreciate any insights.
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