On Jan 18, 2010, at 4:14 , Vlatko Davidovski wrote:

> Has anyone evaluated the performance of iPojo Event admin handling? Is there 
> any limited maximum number of events/data that can be sent per second.
> When sending significant amount of events, I experienced that they don't 
> arrive at the subscriber method. On the other hand, everything seems to be 
> working under low load.

Ik know Carsten has recently been working on Event Admin performance in 
general, so no doubt he has done a lot of performance testing. I never tried 
iPOJOs Event Admin support but in general I know that if things slow down too 
much, handlers can get blacklisted and won't be notified anymore. This 
behaviour is configurable, and can even be turned off if you don't want it.

> Any recommendations? Is it better to use synchronous or asynchronous delivery 
> under such circumstances?

Asynchronous should be faster. I think even the spec mentions that you should 
prefer them over synchronous events.

Greetings, Marcel




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