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From Joel Koshy <jjkosh...@gmail.com>
Subject Re: common client for 0.7.2 & 0.8 clusters?
Date Thu, 22 May 2014 18:07:08 GMT
Hi David,

It is not possible to use the 0.7 clients with an 0.8 clients and
vice-versa. i.e., the migration tool approach is the only option to
transition fro 0.7 to 0.8.

Joel


On Thu, May 22, 2014 at 01:53:40PM -0400, David McWhorter wrote:
> Hi all, we have an application that needs to support producing and
> consuming data to/from kafka 0.7.2 and 0.8 clusters in different
> environments.   I understand that the 0.8 release was a substantial
> change and that a cluster itself cannot be upgraded from 0.7 to 0.8
> as normal and you must follow the instructions noted on this page https://cwiki.apache.org/confluence/display/KAFKA/Migrating+from+0.7+to+0.8.
> However, I was wondering if it is possible to use one of the client
> versions (0.7.2. or 0.8) and have it interact successfully
> (produce/consume) data with both a 0.7 and 0.8 cluster.  That is,
> can I use a 0.8 client and have it successfully negotiate to use the
> 0.7.2 protocol with a 0.7.2 cluster, or alternately is it possible
> to use a 0.7.2. client with a 0.8 cluster?  I've searched for a
> while for a definitive answer to this question, but please feel free
> to point me to relevant documentation I may have missed.
> 
> Thanks,
> David
> -- 
> *David McWhorter*
> Commonwealth Computer Research, Inc.
> 1422 Sachem Place, Unit #1
> Charlottesville, VA 22901
> mcwhorter@ccri.com | 434.284.9404


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