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From Matei Zaharia <>
Subject Re: spark compatibility between releases?
Date Fri, 17 Jan 2014 19:20:36 GMT
Hi Tom,

So far you’ve had to recompile with each release. Between master and 0.8 in particular,
one problem is that the Scala version changed, which will always require a recompile in Scala

In the future, we want to make minor releases not require a recompile.


On Jan 17, 2014, at 7:53 AM, Tom Graves <> wrote:

> Hey everyone,
> What is the story as far as Spark compatibility between releases?  Are we saying recompile
needed until we get to 1.X type releases?  
> It might be a good idea for us to document our compatibility strategy going forward.

> I had someone say they built against master and tried to run on 0.8 and were getting
errors. (invalid type code: AC - when doing matrix qr)
> Thanks,
> Tom

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