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https://issues.apache.org/jira/browse/KAFKA-717?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13709823#comment-13709823
 ] 

Joe Stein commented on KAFKA-717:
---------------------------------

Moving away from 2.8.X for the broker build would be more feasible when folks 
running brokers in production are running them on 2.9.X or even 2.10.X and 
right now I don't know of anyone running a broker not on 2.8.X with any real 
volume (but that does not mean its not happening just I don't know about it).  
I will work over the next few weeks to start to pull more of this information 
together so its empirical and not assumed.

As it stands now folks are already running 0.8.0-beta1 in production and there 
is only a certain amount of beta that production operation folks will tolerate 
and upgrading from Scala 2.8.0 to another version for companies that have 
terabytes a day going through Kafka as a key part of their operations may not 
be feasible just yet.

While I agree with you 100% I also understand and appreciate how we need to 
support this project (lots of folks to support in different ways) and should be 
supporting this project for the stability it offers and rushing ahead has to be 
tempered with production support by the Apache Kafka community and PMC.

>From my perspective the scalaVersion default is for the broker and the cross 
>compiles are for different needs of producer/consumer (at least how I see it) 
>and now that we are publishing to maven the default should matter even more 
>only for the broker (again IMHO)

That all being said I looked through and get the patches now and will give 
these a shot in order using the 06/14/2013 dates

0001-common-changes-for-2.10.patch
0002-java-conversions-changes.patch
0003-add-2.9.3.patch
0004-Fix-cross-compile-of-tests-update-to-2.10.2-and-set-.patch

I also have some ideas about ways to making this available sooner for some 
things I am working on the next few weeks moving forward.

Thank you for the patches and patience.  The best is yet to come!

                
> scala 2.10 build support
> ------------------------
>
>                 Key: KAFKA-717
>                 URL: https://issues.apache.org/jira/browse/KAFKA-717
>             Project: Kafka
>          Issue Type: Improvement
>          Components: packaging
>    Affects Versions: 0.8
>            Reporter: Viktor Taranenko
>              Labels: build
>         Attachments: 0001-common-changes-for-2.10.patch, 
> 0001-common-changes-for-2.10.patch, 
> 0001-KAFKA-717-Convert-to-scala-2.10.patch, 
> 0002-java-conversions-changes.patch, 0002-java-conversions-changes.patch, 
> 0003-add-2.9.3.patch, 0003-add-2.9.3.patch, 
> 0004-Fix-cross-compile-of-tests-update-to-2.10.2-and-set-.patch, 
> KAFKA-717-complex.patch, KAFKA-717-simple.patch, kafka_scala_2.10.tar.gz
>
>


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