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From Nate McCall <n...@thelastpickle.com>
Subject Re: Definition of QUORUM consistency level
Date Fri, 09 Jun 2017 03:11:30 GMT
> So, for the quorum, what we really want is that there is one overlap among
> the nodes in write path and read path. It actually was my assumption for a
> long time that we need (N/2 + 1) for write and just need (N/2) for read,
> because it's enough to provide the strong consistency.
>

You are write about strong consistency with that calculation, but if I want
to issue a QUORUM read just by itself, I would expect a majority of nodes
to reply. How it was written might be immaterial to my use case of reading
'from a majority.'

-- 
-----------------
Nate McCall
Wellington, NZ
@zznate

CTO
Apache Cassandra Consulting
http://www.thelastpickle.com

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