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From Janardhan Reddy <janardhan.re...@olacabs.com>
Subject Re: Flink Kafka Consumer Behaviour
Date Wed, 03 Aug 2016 05:36:26 GMT
Checkpointing wasn't enabled in the streaming job, but the offsets should
have been committed to zookeeper.

But we don't see the offsets being written to zookeeper.

On Tue, Aug 2, 2016 at 7:41 PM, Till Rohrmann <trohrmann@apache.org> wrote:

> Hi Janardhan,
>
> Flink should commit the current offsets to Zookeeper whenever a checkpoint
> has been completed. In case that you disabled checkpointing, then the
> offsets will be periodically committed to ZooKeeper. The default value is
> 60s.
>
> Could it be that there wasn't yet a completed checkpoint? Which version of
> Flink are you using?
>
> Cheers,
> Till
>
> On Tue, Aug 2, 2016 at 7:26 PM, Janardhan Reddy <
> janardhan.reddy@olacabs.com> wrote:
>
>> Hi,
>>
>> When the run the following command i am getting that no topic is
>> available for that consumer group.  i am suing
>> flink-connector-kafka-0.8_${scala.version}(2.11).
>>
>> ./bin/kafka-consumer-groups.sh --zookeeper <> --group <> --describe
>>
>> No topic available for consumer group provided
>>
>>
>> Does the kafka consumer commit offset to the broker always ? Do we need
>> to enable checkpointing for the offsets to be committed ?
>>
>>
>> Thanks
>>
>
>

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