On Apr 15, 2013, at 15:50 , ?????? wrote: > > > As you say,within an S4 cluster, events are dispatched according to their key > + hashing and mod. > I want to dispatch events in adapter app and dispatch events by hashing on > one string which I set myself.How to implement?
Have a look at the KeyFinder , it is used to identify extract keys from events. Matthieu > > ------------------ ???????? ------------------ > ??????: "Matthieu Morel"<[email protected]>; > ????????: 2013??4??15??(??????) ????9:35 > ??????: "s4-user"<[email protected]>; > ????: Re: event dispatch > > Hi, > > within an S4 cluster, events are dispatched according to their key + hashing > and mod , so there is no round-robin. To broadcast, use a null key. > > Across S4 clusters inter-app communication, (e.g. when injecting events from > an adapter), keyless events (null key) are distributed in a round robin > fashion. > > Hope this helps, > > Matthieu > > > > On Apr 14, 2013, at 04:35 , ?????? wrote: > > > Hi,I am new to S4.I want to know how to dispatch events to nodes. > > Including: > > How to dispatch events in a round robin fashion? > > How to dispatch one event to all nodes? > > How to dispatch one event to a particular node? > > Thanks! > > .
