question about monitor and paxos relationship

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On 08/29/2014 11:22 PM, J David wrote:
> So an even number N of monitors doesn't give you any better fault
> resilience than N-1 monitors.  And the more monitors you have, the
> more traffic there is between them.  So when N is even, N monitors
> consume more resources and provide no extra benefit compared to N-1
> monitors.

Except for more copies ;)

But yeah, if you're going with 2 or 4, you'll be better off with 3 or 5. 
  As long as you don't go with 1 you should be okay.  Only go with 1 if 
you're truly okay with losing whatever you're storing if that one 
monitor's disk is fried.

   -Joao


-- 
Joao Eduardo Luis
Software Engineer | http://inktank.com | http://ceph.com


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