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From Stevo Slavić <ssla...@gmail.com>
Subject Re: how to modify offsets stored in Kafka in 0.8.2.1 version?
Date Fri, 19 Jun 2015 13:33:48 GMT
Hello Marina,

There's Kafka API to fetch and commit offsets
https://cwiki.apache.org/confluence/display/KAFKA/Committing+and+fetching+consumer+offsets+in+Kafka
- maybe it will work for you.

Kind regards,
Stevo Slavic.

On Fri, Jun 19, 2015 at 3:23 PM, Marina <ppine7@yahoo.com.invalid> wrote:

> Hi,
>
> in older Kafka versions where offsets were stored in Zookeeper - I could
> manually update the value of the Zookeeper's node:
>
> /consumers/<consumer_group_name>/offsets/<topic_name>/<partition_number>/<offset_value>.
>
> In 0.8.2.1 - there are no values in offsets anymore, but there is a new
> topic,
> __consumer_offsets, where as I understand offsets are tracked now.
>
> the ConsumerOffsetChecker tool seems to be able to get the offsets values
> from this topic , since I see correct value running it.
> So, how do I access this info myself?
>
>
> I tried:
>
> ./kafka-console-consumer.sh --zookeeper localhost:2181 --topic
> __consumer_offsets --from-beginning
>
> but it does not show anything....
> Also, how would I change the offset? I need to do this sometimes if I want
> to skip/ignore some messages and just advance offset manually.
>
> thanks,
> Marina
>

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