I don't think there's a target. The changes aren't all that hard (see the SPARK-14220 umbrella) but there are some changes that are hard or impossible without changing key APIs, as far as we can see. That would suggest 3.0.
One motivation I have here for getting it as far as possible otherwise is so people could, if they wanted, create a 2.12 build themselves without much work even if it were not supported upstream. This particular change is a lot of the miscellaneous stuff you'd have to fix to get to that point. On Thu, Aug 31, 2017 at 11:04 AM Saisai Shao <sai.sai.s...@gmail.com> wrote: > Hi Sean, > > Do we have a planned target version for Scala 2.12 support? Several other > projects like Zeppelin, Livy which rely on Spark repl also require changes > to support this Scala 2.12. > > Thanks > Jerry > > On Thu, Aug 31, 2017 at 5:55 PM, Sean Owen <so...@cloudera.com> wrote: > >> No, this doesn't let Spark build and run on 2.12. It makes changes that >> will be required though, the ones that are really no loss to the current >> 2.11 build. >> >> On Thu, Aug 31, 2017, 10:48 Denis Bolshakov <bolshakov.de...@gmail.com> >> wrote: >> >>> Hello, >>> >>> Sounds amazing. Is there any improvements in benchmarks? >>> >>> >>> On 31 August 2017 at 12:25, Sean Owen <so...@cloudera.com> wrote: >>> >>>> Calling attention to the question of Scala 2.12 again for moment. I'd >>>> like to make a modest step towards support. Have a look again, if you >>>> would, at SPARK-14280: >>>> >>>> https://github.com/apache/spark/pull/18645 >>>> >>>> This is a lot of the change for 2.12 that doesn't break 2.11, and >>>> really doesn't add any complexity. It's mostly dependency updates and >>>> clarifying some code. Other items like dealing with Kafka 0.8 support, the >>>> 2.12 REPL, etc, are not here. >>>> >>>> So, this still doesn't result in a working 2.12 build but it's most of >>>> the miscellany that will be required. >>>> >>>> I'd like to merge it but wanted to flag it for feedback as it's not >>>> trivial. >>>> >>> >>> >>> >>> -- >>> //with Best Regards >>> --Denis Bolshakov >>> e-mail: bolshakov.de...@gmail.com >>> >> >
