On 04 Apr 2014, at 11:18, prem yadav <ipremya...@gmail.com> wrote: > Though cassandra can work but to me it looks like you could use a persistent > queue for example (rabbitMQ) to implement this. All your workers can > subscribe to a queue. > In fact, why not just MySQL?
Hey, I have got a C* cluster that can (potentially) do CAS. Why would I set up a MySQL cluster to solve that problem? And yeah, I could use a queue or redis or whatnot, but I want to avoid yet another moving part :-) Jan > > > On Thu, Apr 3, 2014 at 11:44 PM, Jan Algermissen <jan.algermis...@nordsc.com> > wrote: > Hi, > > maybe someone knows a nice solution to the following problem: > > I have N worker processes that are intentionally masterless and do not know > about each other - they are stateless and independent instances of a given > service system. > > These workers need to poll an event feed, say about every 10 seconds and > persist a state after processing the polled events so the next worker knows > where to continue processing events. > > I would like to use C*’s CAS feature to coordinate the workers and protect > the shared state (a row or cell in a C* key space, too). > > Has anybody done something similar and can suggest a ‘clever’ data model > design and interaction? > > > > Jan >
