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From Jonathan Haddad <>
Subject Re: Better setup to start using in production on one server
Date Tue, 15 Dec 2015 19:15:51 GMT
If I had to choose between running 3x docker instances and 1x instance on a
single server, I'd choose the single one.  Instead of dealing with RF
changing nonsense I'd just set up a 2nd data center w/ 3 nodes and move to
that when you're ready.  No downtime, easy.

With that said - Starting off with a 3 node cluster in digital ocean is
pretty inexpensive.  You can be up and running for $60 a month.  You should
also ask yourself if you have a Cassandra problem.  It's designed to scale
out to hundreds of nodes, you're talking about 1.  Do you think you'll
actually have a big data problem, or are you just trying to prepare for the

On Tue, Dec 15, 2015 at 11:04 AM Robert Coli <> wrote:

> On Mon, Dec 14, 2015 at 10:53 PM, Vladimir Prudnikov <
>> wrote:
>> Is it hard to start with 3 nodes on one server running in docker and then
>> just move 2 nodes to the separate servers?
> FWIW, if you *absolutely knew* that you were going to need the scale and
> for some reason could not convince the money people of this obvious truth,
> there is nothing especially wrong with running a Cassandra node in this
> manner. It's really inefficient but does allow you to expand a cluster
> beyond one node without having to deal with the implications of increasing
> RF.
> =Rob
> PS - Note that I am still very skeptical that a meaningful number of
> people are in this case, almost everyone in a case like this should "just
> use MySQL."

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