[38217] in Kerberos
Determening the number of clients per KDC
daemon@ATHENA.MIT.EDU (Sergei Gerasenko)
Mon Apr 16 00:06:30 2018
From: Sergei Gerasenko <gerases@gmail.com>
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Date: Sun, 15 Apr 2018 23:06:04 -0500
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Hi,
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.
Thanks!
Sergei
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