Re: Upgrading to Kafka 0.9.x

2016-03-02 Thread Cody Koeninger
Jay, thanks for the response. Regarding the new consumer API for 0.9, I've been reading through the code for it and thinking about how it fits in to the existing Spark integration. So far I've seen some interesting challenges, and if you (or anyone else on the dev list) have time to provide some h

Re: Upgrading to Kafka 0.9.x

2016-02-26 Thread Joel Koshy
The 0.9 release still has the old consumer as Jay mentioned but this specific release is a little unusual in that it also provides a completely new consumer client. Based on what I understand, users of Kafka need to upgrade their brokers to > Kafka 0.9.x first, before they upgrade their clients to

Re: Upgrading to Kafka 0.9.x

2016-02-26 Thread Mark Grover
Thanks Jay. Yeah, if we were able to use the old consumer API from 0.9 clients to work with 0.8 brokers that would have been super helpful here. I am just trying to avoid a scenario where Spark cares about new features from every new major release of Kafka (which is a good thing) but ends up having

Re: Upgrading to Kafka 0.9.x

2016-02-26 Thread Jay Kreps
Hey, yeah, we'd really like to make this work well for you guys. I think there are actually maybe two questions here: 1. How should this work in steady state? 2. Given that there was a major reworking of the kafka consumer java library for 0.9 how does that impact things right now? ( http://www.co

Upgrading to Kafka 0.9.x

2016-02-26 Thread Mark Grover
Hi Kafka devs, I come to you with a dilemma and a request. Based on what I understand, users of Kafka need to upgrade their brokers to Kafka 0.9.x first, before they upgrade their clients to Kafka 0.9.x. However, that presents a problem to other projects that integrate with Kafka (Spark, Flume, S