You can add a back pressured enabled component in front that feeds data into 
Spark. This component can control in input rate to spark. 

> On Jun 18, 2014, at 6:13 PM, Flavio Pompermaier <pomperma...@okkam.it> wrote:
> 
> Hi to all,
> in my use case I'd like to receive events and call an external service as 
> they pass through. Is it possible to limit the number of contemporaneous call 
> to that service (to avoid DoS) using Spark streaming? if so, limiting the 
> rate implies a possible buffer growth...how can I control the buffer of 
> incoming events waiting to be processed?
> 
> Best,
> Flavio 

Reply via email to