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From Dascalita Dragos <>
Subject Re: Update Kafka to 2.0.0
Date Tue, 31 Jul 2018 01:56:18 GMT
Hi Markus,
Big +1 for upgrading.

In my case we use blue/green deployments so that would be fine.

The only potential problem is on the DCOS package for Mesos, for supporting
the latest Kafka version; i think it should work OOTB, but until it’s
tested I’m leaving room for unknowns. Would you know if the Kafka client
library is able to handle both versions ?

On Mon, Jul 30, 2018 at 12:57 PM Markus Thömmes <>

> Dear OpenWhiskers,
> James Dubee, Sven Lange-Last and I have been on a Kafka-related bug
> hunt throughout the past days and found several issues in our current
> KafkaConsumerConnector. Several PRs have been opened since and several
> are yet to come.
> Currently, I'm trying to make the Kafka 2.0.0 clients work with our
> old-dated Kafka 0.11 line Kafka broker. I'm wondering if we should
> just update the brokers to 2.0.0 as well. It has been released today
> and is admittedly fairly young. I feel like we should start tracking
> more recent Kafka versions though, to profit from bug and stability
> fixes.
> One wrinkle: Today we don't support a graceful update of the Kafka
> brokers in-place. Is any of the production deployments based on
> OpenWhisk relying on being able to make an in-place update or is a
> blue/green style full replacement of the whole cluster fine for
> everybody?
> Cheers,
> Markus

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