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From "Kevin O'dell" <kevin.od...@cloudera.com>
Subject Re: Dropping support for JDK6 in Apache Hadoop
Date Tue, 19 Aug 2014 19:23:49 GMT
I think most of the large vendors have tested JDK7, and are comfortable
with the results.  JDK8 is still very new, and is not well standardized on
in the field currently.


On Tue, Aug 19, 2014 at 2:44 PM, Konstantin Boudnik <cos@apache.org> wrote:

> While it sounds like a topic for a different discussion (or list@), do you
> think it would be too crazy to skip JDK7 completely and just go to JDK8
> directly? I think downstream components like HBase, Spark and so on would
> be a
> huge driving factor to make the same change in Hadoop and other parts of
> the
> ecosystem.
>
> Thoughts?
>   Cos
>
> On Tue, Aug 19, 2014 at 11:23AM, Devaraj Das wrote:
> > I think we are good on HBase side, at least on the 1.x+ branches. We
> > are dropping support for 1.6 from HBase-1.0 onwards.
> >
> > On Tue, Aug 19, 2014 at 10:52 AM, Arun C Murthy <acm@hortonworks.com>
> wrote:
> > > [Apologies for the wide distribution.]
> > >
> > > Dear HBase/Hive/Pig/Oozie communities,
> > >
> > >  We, over at Hadoop are considering dropping support for JDK6 this
> year.
> > >
> > >  As you maybe aware we just released hadoop-2.5.0 and are now
> considering making the next release i.e. hadoop-2.6.0 the *last* release of
> Apache Hadoop which supports JDK6. This means, from hadoop-2.7.0 onwards we
> will not support JDK6 anymore and we *may* start relying on JDK7-specific
> apis.
> > >
> > >  Now, the above releases a proposal and we do not want to pull the
> trigger without talking to projects downstream - hence the request for you
> feedback.
> > >
> > >  Please feel free to forward this to other communities you might deem
> to be at risk from this too.
> > >
> > > thanks,
> > > Arun
> > >
> > >
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-- 
Kevin O'Dell
Systems Engineer, Cloudera

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