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From prem yadav <ipremya...@gmail.com>
Subject Re: Using C* and CAS to coordinate workers
Date Fri, 04 Apr 2014 09:18:54 GMT
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?


On Thu, Apr 3, 2014 at 11:44 PM, Jan Algermissen <jan.algermissen@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

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