Re: Kafka Streams Error

2016-11-03 Thread Matthias J. Sax
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 First a hint about "group.id". Please read this to make sense of this parameter: http://stackoverflow.com/documentation/apache-kafka/5449/consumer-groups - -and-offset-management It might also help to understand how to get the "last value" of a top

Re: Kafka Streams Error

2016-11-03 Thread Furkan KAMACI
I've just realised the parameter of poll method. It's been explained as: "The time, in milliseconds, spent waiting in poll if data is not available in the buffer." When I set to a big number ''sometimes" I can see a result in it. When I set it to 0 and push something to do topic that it listens s

Re: Kafka Streams Error

2016-11-03 Thread Furkan KAMACI
Hi Matthias, Thanks for the response. I stream output as follows: longCounts.toStream((wk, v) -> wk.key()) .to(Serdes.String(), Serdes.Long(), "qps-aggregated"); I want to read last value from that topic at another applicati

Re: Kafka Streams Error

2016-11-02 Thread Matthias J. Sax
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Hi, first, AUTO_OFFSET_RESET_CONFIG has only an effect if you start up you application for the first time. If you start it a second time, it will resume from where is left off. About getting numbers starting from zero: this is expected behavior bec

Re: Kafka Streams error

2016-05-25 Thread Guozhang Wang
Hi Walter, Synced up with Ismael regarding your questions, and here are our suggestions: "Scala 2.11 is the minimum. The downside of that flag is that it includes new features that are still changing, may be less stable and may not work fully. You may probably consider planning an upgrade as su