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From Jonathan Haddad <>
Subject Re: Why don't you start off with a “single & small” Cassandra server as you usually do it with MySQL?
Date Wed, 18 Sep 2013 14:54:11 GMT
For future references, a blog post on this topic.

On Wed, Sep 18, 2013 at 6:38 AM, Michał Michalski <> wrote:

> You might be interested in this:
> http://mail-archives.apache.**org/mod_mbox/cassandra-user/**201308.mbox/%*
> *3CCAEqOBHPAv25pcgjFwbkMD1RZxVr**iF94e6LpYbpJ3mU_bqN92iw@mail.**
> M.
> W dniu 18.09.2013 15:34, Ertio Lew pisze:
>> For any website just starting out, the load initially is minimal & grows
>> with a slow pace initially. People usually start with their MySQL based
>> sites with a single server(***that too a VPS not a dedicated server)
>> running as both app server as well as DB server & usually get too far with
>> this setup & only as they feel the need they separate the DB from the app
>> server giving it a separate VPS server. This is what a start up expects
>> the
>> things to be while planning about resources procurement.
>> But so far what I have seen, it's something very different with Cassandra.
>> People usually recommend starting out with atleast a 3 node cluster, (on
>> dedicated servers) with lots & lots of RAM. 4GB or 8GB RAM is what they
>> suggest to start with. So is it that Cassandra requires more hardware
>> resources in comparison to MySQL, for a website to deliver similar
>> performance, serve similar load/ traffic & same amount of data. I
>> understand about higher storage requirements of Cassandra due to
>> replication but what about other hardware resources ?
>> Can't we start off with Cassandra based apps just like MySQL. Starting
>> with
>> 1 or 2 VPS & adding more whenever there's a need ?
>> I don't want to compare apples with oranges. I just want to know how much
>> more dangerous situation I may be in when I start out with a single node
>> VPS based cassandra installation Vs a single node VPS based MySQL
>> installation. Difference between these two situations. Are cassandra
>> servers more prone to be unavailable than MySQL servers ? What is bad if I
>> put tomcat too along with Cassandra as people use LAMP stack on single
>> server.
>> ---------
>> *This question is also posted at StackOverflow
>> here<**questions/18462530/why-dont-**
>> you-start-off-with-a-single-**small-cassandra-server-as-you-**usually<>
>> >
>> &
>> has an open bounty worth +50 rep.*

Jon Haddad
skype: rustyrazorblade

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