On Fri, Jan 7, 2011 at 5:03 PM, Laurent Guyon <laurent.gu...@adelux.fr>wrote:
> Le jeudi 06 janvier 2011 à 15:47 +0100, nap a écrit : > > > > On Thu, Jan 6, 2011 at 10:40 AM, Laurent Guyon > > <laurent.gu...@adelux.fr> wrote: > > It's the old producer-consumer problem. > > > > Using a central and external MQ manager can be a good idea, an > > elegant > > idea (see amqp or zeromq for example), but I agree with Jean : > > it won't > > solve the persistence problem magically : queues's items still > > need to > > be secured and stored until brokers consume them, by > > satellites > > (brokers/schedulers...), on by the central MQ. > > > > Some admins will love to install and use external and modern > > tools like > > couchdb or MQ, but others may be scared, and this could be > > problematic > > especially in highly secured environements. > > > > Furthermore, code that let the possibility to use a MQ or not > > can be > > very complex. > > > > The choice is not trivial ;) > > > > A good starting point before rewrite all the code (^^) could > > be securing > > existing queues, to be at least restart-safe and > > link-loss-safe : > > * write queues items on disk in a python pickle when > > scheduler/broker > > stops > > Yes. There already the retention dump, we can save also interesting > > data too. > > > > * re-read these pickles when scheduler/broker restarts > > This pickle could also be used to store what you call > > "backlog" : when > > queue is full and no broker comes to get broks, store oldest > > broks on > > disk (not very IO costly i think). > > It's the read of the previous write :) > > > > Yep. > > I'll try to work on it (if you are ok naturally ;) ) > Yes, no problem at all :) Jean > > Laurent > > > > > > ------------------------------------------------------------------------------ > Gaining the trust of online customers is vital for the success of any > company > that requires sensitive data to be transmitted over the Web. Learn how to > best implement a security strategy that keeps consumers' information secure > and instills the confidence they need to proceed with transactions. > http://p.sf.net/sfu/oracle-sfdevnl > _______________________________________________ > Shinken-devel mailing list > Shinken-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/shinken-devel >
------------------------------------------------------------------------------ Gaining the trust of online customers is vital for the success of any company that requires sensitive data to be transmitted over the Web. Learn how to best implement a security strategy that keeps consumers' information secure and instills the confidence they need to proceed with transactions. http://p.sf.net/sfu/oracle-sfdevnl
_______________________________________________ Shinken-devel mailing list Shinken-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/shinken-devel
