There is some ZooKeeper stuff towards the bottom of: http://incubator.apache.org/kafka/design.html
It's a good overview of how it works, but it's not totally accurate or complete. I've been looking through Scala client code and occasionally bugging this mailing list. I'll try to organize my notes and add it to the wiki sometime early next week. Take care. Dave On Thu, Dec 8, 2011 at 2:12 PM, Mark <static.void....@gmail.com> wrote: > David, > > Thanks, this is a great start. Is there any online documentation on how > the Java/Scala consumers interact with Zookeeper? This would be useful so > all consumers behavior the same way. > > > On 12/8/11 10:46 AM, David Ormsbee wrote: > >> Hi Mark, >> >> If you're interested, I've started a wiki entry to help people who are >> writing Kafka clients: >> >> https://cwiki.apache.org/**confluence/display/KAFKA/** >> Writing+a+Driver+for+Kafka<https://cwiki.apache.org/confluence/display/KAFKA/Writing+a+Driver+for+Kafka> >> >> I'm currently working on one for Python. There's nothing on ZooKeeper in >> there yet, but I'm implementing that functionality now and should be able >> to add that information to the wiki soon. >> >> Thank you. >> >> Dave >> >> On Thu, Dec 8, 2011 at 12:12 PM, Mark<static.void....@gmail.com**> >> wrote: >> >> Zookeeper integration is possible with ruby so there is nothing stopping >>> someone from writing a full featured client then correct? >>> >>> >>> On 12/8/11 8:57 AM, Jun Rao wrote: >>> >>> Mark, >>>> >>>> The java/scala clients are complete. The non-java support is kind of >>>> weak >>>> at this point. In particular, Kafka has a thick client (lots of >>>> interaction >>>> with ZK during rebalance and committing offsets) in the consumer. This >>>> makes reimplementing the logic in each language hard, At this moment, >>>> the >>>> RB client only supports SimpleConsumer, not the high level consumer. >>>> >>>> Thanks, >>>> >>>> Jun >>>> >>>> On Thu, Dec 8, 2011 at 8:23 AM, Mark<static.void....@gmail.com****> >>>> wrote: >>>> >>>> Are consumer/producer clients typically written in Java or Scala? Are >>>> >>>>> they >>>>> both full-featured? >>>>> >>>>> Are there any reasons why the kafka-rb gem couldn't be full featured >>>>> supporting both queuing and pub-sub models? >>>>> >>>>> Thanks >>>>> >>>>> >>>>>