For future references, a blog post on this topic. http://rustyrazorblade.com/2013/09/cassandra-faq-can-i-start-with-a-single-node/
On Wed, Sep 18, 2013 at 6:38 AM, Michał Michalski <mich...@opera.com> wrote: > You might be interested in this: > http://mail-archives.apache.**org/mod_mbox/cassandra-user/**201308.mbox/%* > *3CCAEqOBHPAv25pcgjFwbkMD1RZxVr**iF94e6LpYbpJ3mU_bqN92iw@mail.** > gmail.com%3E<http://mail-archives.apache.org/mod_mbox/cassandra-user/201308.mbox/%3ccaeqobhpav25pcgjfwbkmd1rzxvrif94e6lpybpj3mu_bqn9...@mail.gmail.com%3E> > > 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<http://stackoverflow.com/**questions/18462530/why-dont-** >> you-start-off-with-a-single-**small-cassandra-server-as-you-**usually<http://stackoverflow.com/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 http://www.rustyrazorblade.com skype: rustyrazorblade
