Re: [akka-user] [Akka Streams] At-Least-Once-Delivery behaviour with Kafka and Cassandra

2015-06-15 Thread Juan José Vázquez Delgado
Thanks for your answer. I'm currently in the middle of something and haven't had the opportunity to check this out. I'll have a look into your suggestion ASAP, but it seems it could be the way to go. I'll update this thread as soon as I test the solution. Thanks!. BR, Juanjo. El lunes, 1 de

Re: [akka-user] [Akka Streams] At-Least-Once-Delivery behaviour with Kafka and Cassandra

2015-06-01 Thread Akka Team
Hi Huan, What you need is a back-channel from the Cassandra Sink to the Kafka Source. In Akka Streams the way to solve this is to create an explicit backward channel with streams. For example if you have an async Kafka API that gives back the result of your read as a Future, together with some

[akka-user] [Akka Streams] At-Least-Once-Delivery behaviour with Kafka and Cassandra

2015-05-25 Thread Juan José Vázquez Delgado
Hello everyone, I'm starting with Akka Streams and so far everything is going well. However, I have met with a use case that I don't know how to approach. The scenario is a stream with an ActorPublisher as a source that is consuming messages from Kafka and a subscriber as a sink that updates a