ers@kafka.apache.org
Subject: Re: Different Schemas on same Kafka Topic
Thank you Stephen for a very detailed write up. Really helpful.
I was stuck in a concept of one schema per topic. Let me try this in my
use case.
Thank you very much. And thank you Svante.
Regards,
Sreejith
On 18-Aug-201
type the schema registry
> will
> > > allow any schema to be registered, even if they are not compatible
> > because
> > > you've informed the registry not to care. So, you should really choose
> > > amongst backward, forward, and full. I use FULL in prod
and will have multiple readers and
> > writers of the data, and the data needs to be passively evolved. Backward
> > and forward can be fine too, just depending upon the needs of the data
> > being produced and consumed.
> >
> > On Thu, Aug 17, 2017 at 12:22 PM, Tau
nd consumed.
> >
> > On Thu, Aug 17, 2017 at 12:22 PM, Tauzell, Dave <
> > dave.tauz...@surescripts.com> wrote:
> >
> > > Hmm, I think you are right that you cannot have multiple schemas on the
> > > same topic.
> > >
> > > -Dave
>
wrapper that
> > > contains type, version and data fields. Then you wrap everything.
> > > Another option is to do what Kafka is doing and prepend some sort of
> > > fixed length value to all messages that have the schema and version
> > > you are using for that me
hat you cannot have multiple schemas on the
> same topic.
>
> -Dave
>
>
> -Original Message-
> From: Sreejith S [mailto:srssreej...@gmail.com]
> Sent: Thursday, August 17, 2017 11:42 AM
> To: users@kafka.apache.org
> Subject: RE: Different Schemas on same Kafka T
Hmm, I think you are right that you cannot have multiple schemas on the same
topic.
-Dave
-Original Message-
From: Sreejith S [mailto:srssreej...@gmail.com]
Sent: Thursday, August 17, 2017 11:42 AM
To: users@kafka.apache.org
Subject: RE: Different Schemas on same Kafka Topic
Hi Dave
hat have the schema and version you are using
> for that message.
>
> -Dave
>
> -Original Message-
> From: Shajahan, Nishanth [mailto:nshaj...@visa.com]
> Sent: Thursday, August 17, 2017 11:02 AM
> To: users@kafka.apache.org
> Subject: RE: Different Schemas on same
.apache.org
Subject: RE: Different Schemas on same Kafka Topic
Thanks Dave. We may not want to start using schema registery immediately . We
would have java producers and consumers . I might also go with using byte
messages but when consumer de serilize how can they map the byte[] to the
correct
to:dave.tauz...@surescripts.com]
Sent: Thursday, August 17, 2017 8:30 AM
To: users@kafka.apache.org
Subject: RE: Different Schemas on same Kafka Topic
It does. The way it works is that the Avro serializer precedes each message
with a two-byte integer that references a schema id in the confluent schema
registry
It does. The way it works is that the Avro serializer precedes each message
with a two-byte integer that references a schema id in the confluent schema
registry. The Avro deserializer looks at this value to determine which schema
to de-serialize with. In order for this to work you need to u
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