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From Dana Powers <dana.pow...@gmail.com>
Subject Re: MirrorMaker 0.9 as source to 0.8.2.1 as destination issue.
Date Wed, 20 Jan 2016 03:02:00 GMT
Thanks! I was looking at the protocol wiki, which doesn't reflect the v1
Fetch/Produce apis added in KAFKA-2136.

-Dana

On Tue, Jan 19, 2016 at 6:03 PM, Ismael Juma <ismael@juma.me.uk> wrote:

> Hi Dana,
>
> Here's a link to the field in `ProduceResponse.java`:
>
>
> https://github.com/apache/kafka/blob/trunk/clients/src/main/java/org/apache/kafka/common/requests/ProduceResponse.java#L39
>
> Ismael
>
> On Wed, Jan 20, 2016 at 1:47 AM, Dana Powers <dana.powers@gmail.com>
> wrote:
>
> > throttle_time_ms sounds like a configuration setting. It isnt in any of
> the
> > API request/responses that I looked at. Are you sure that this is an API
> > compatibility failure?
> >
> > -Dana
> > On Jan 19, 2016 16:31, "Ismael Juma" <ismael@juma.me.uk> wrote:
> >
> > > I am not sure about the details of your test, but Kafka clients are not
> > > generally compatible with older brokers. The error in your original
> > message
> > > is because the response from the 0.8.2.1 broker doesn't include a field
> > > expected by the 0.9.0.0 producer (`throttle_time_ms`).
> > >
> > > Ismael
> > >
> > > On Wed, Jan 20, 2016 at 12:01 AM, Mhaskar, Tushar <
> > > tmhaskar@paypal.com.invalid> wrote:
> > >
> > > > But by using the example in
> > > >
> > >
> >
> https://kafka.apache.org/090/javadoc/index.html?org/apache/kafka/clients/producer/KafkaProducer.html
> > > ,
> > > > I am able to publish to a 0.8.2.1 broker and consume the same
> messages
> > > > using 0.8.2.1 consumer.
> > > >
> > > > Tushar
> > > >
> > > >
> > > >
> > > > On 1/19/16, 3:37 PM, "ismaelj@gmail.com on behalf of Ismael Juma" <
> > > > ismaelj@gmail.com on behalf of ismael@juma.me.uk> wrote:
> > > >
> > > > >Hi Tushar,
> > > > >
> > > > >Comment below.
> > > > >
> > > > >On Tue, Jan 19, 2016 at 11:12 PM, Mhaskar, Tushar <
> > > > >tmhaskar@paypal.com.invalid> wrote:
> > > > >
> > > > >> Why does this issue arise, since Kafka 0.9 producer client is
> > > compatible
> > > > >> with 0.8.2.1 broker?
> > > > >>
> > > > >
> > > > >The Kafka 0.9 producer is not compatible with the 0.8.2.1 broker.
> > > However,
> > > > >the 0.9 broker is compatible with the 0.8.2.1 producer.
> > > > >
> > > > >Ismael
> > > >
> > >
> >
>

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