Oh ok. I thought you did not have a cassandra cluster already. Sorry about that.
On Fri, Apr 4, 2014 at 11:42 AM, Jan Algermissen <jan.algermis...@nordsc.com > wrote: > > 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 > > > >
