Hi Omri,

There's clj-kafka.zk/set-offset! for exactly that 
purpose: https://pingles.github.io/clj-kafka/clj-kafka.zk.html#var-set-offset.21

Thanks,
Ragnar

On Friday, 12 June 2015 18:23:23 UTC+1, Omri Hurvitz wrote:
>
> Hi Paul.
>
> This looks great - I am looking forward to replace my hacked wrapper for 
> the Java (and Scala...) API with this code.
> One question: if I have a zk consumer stream with auto.commit.enable set 
> to false, how do I manually commit the changes?
>
> Thanks,
>
>   Omri
>
> On Friday, June 12, 2015 at 11:35:44 AM UTC-4, Paul Ingles wrote:
>>
>> Hi all,
>>
>>
>> I'm delighted to say 0.3.1 is released and available on Clojars.
>>
>>
>> It's been a long while since we've made any big changes to clj-kafka so 
>> I'm very happy to say we've caught up over the past couple of days. Most of 
>> the changes were the result of submissions from the community but I have to 
>> give most of the credit to Ragnar Dahlen :)
>>
>>
>> Notable changes:
>>
>>
>> - Refactored Zookeeper consumer to expose underlying streams (transducer 
>> compatible :)
>>
>> - "New Producer" API support
>>
>> - Topic Administration
>>
>> - Updated to Kafka 0.8.2.1
>>
>> - Removed Kafka deps from clj-kafka
>>
>>
>> https://github.com/pingles/clj-kafka/
>>
>> http://pingles.github.io/clj-kafka/
>>
>>
>>
>> Zookeeper Consumer
>>
>> =================
>>
>> We've broken the old messages function apart into two pieces: 
>> create-message-stream will connect the consumer to a message stream (topic 
>> + number of threads when consuming more than 1 partition) and stream-seq 
>> (recast the stream as a lazy sequence as with earlier releases).
>>
>>
>> This change addresses a bunch of other requests/changes people had 
>> submitted. Hopefully most stuff that was a little tough to do before is now 
>> easier to integrate- composition with other libs like manifold[1] should be 
>> easier.
>>
>>
>> Transducer Support
>>
>> ----------------------------
>>
>> This also means that the lib is easier to use with transducers[2] which 
>> should be useful for people doing stream processing.
>>
>>
>>
>> New Producer API
>>
>> ==============
>>
>> We have integrated support for the "New Producer" API[3,4]. This is 
>> asynchronous by default but provides both futures and callbacks to return 
>> the offset/error.
>>
>>
>> Topic Administration
>>
>> ================
>>
>> A new namespace exists that wraps some of the Kafka admin utils for 
>> checking if topics exist, creating/removing topics and changing per-topic 
>> configuration.
>>
>>
>> No Kafka deps in clj-kafka
>>
>> ====================
>>
>> I think* this was inherited from back when the Kafka releases had no 
>> dependencies specified and so clj-kafka had to specify them instead. This 
>> is no longer necessary so the project config is substantially tidier. This 
>> is quite a substantial difference so please just check that this doesn't 
>> break anything you were depending on.
>>
>>
>>
>>
>> 1) https://github.com/ztellman/manifold
>>
>> 2) 
>> https://github.com/pingles/clj-kafka/blob/master/README.md#usage-with-transducers
>>
>> 3) 
>> http://blog.confluent.io/2014/12/02/whats-coming-in-apache-kafka-0-8-2/
>>
>> 4) 
>> http://kafka.apache.org/082/javadoc/org/apache/kafka/clients/producer/KafkaProducer.html
>>
>> 5) 
>> https://github.com/pingles/clj-kafka/blob/master/README.md#administration-operations
>>
>

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