Also - the code is still there because of a recent merge that took in some newer changes... we'll be removing it for the final merge.
On Thu, Dec 12, 2013 at 1:12 AM, Patrick Wendell <pwend...@gmail.com> wrote: > Hey Raymond, > > This won't work because AFAIK akka 2.3-M1 is not binary compatible with > akka 2.2.3 (right?). For all of the non-yarn 2.2 versions we need to still > use the older protobuf library, so we'd need to support both. > > I'd also be concerned about having a reference to a non-released version > of akka. Akka is the source of our hardest-to-find bugs and simultaneously > trying to support 2.2.3 and 2.3-M1 is a bit daunting. Of course, if you are > building off of master you can maintain a fork that uses this. > > - Patrick > > > On Thu, Dec 12, 2013 at 12:42 AM, Liu, Raymond <raymond....@intel.com>wrote: > >> Hi Patrick >> >> What does that means for drop YARN 2.2? seems codes are still >> there. You mean if build upon 2.2 it will break, and won't and work right? >> Since the home made akka build on scala 2.10 are not there. While, if for >> this case, can we just use akka 2.3-M1 which run on protobuf 2.5 for >> replacement? >> >> Best Regards, >> Raymond Liu >> >> >> -----Original Message----- >> From: Patrick Wendell [mailto:pwend...@gmail.com] >> Sent: Thursday, December 12, 2013 4:21 PM >> To: dev@spark.incubator.apache.org >> Subject: Scala 2.10 Merge >> >> Hi Developers, >> >> In the next few days we are planning to merge Scala 2.10 support into >> Spark. For those that haven't been following this, Prashant Sharma has been >> maintaining the scala-2.10 branch of Spark for several months. This branch >> is current with master and has been reviewed for merging: >> >> https://github.com/apache/incubator-spark/tree/scala-2.10 >> >> Scala 2.10 support is one of the most requested features for Spark - it >> will be great to get this into Spark 0.9! Please note that *Scala 2.10 is >> not binary compatible with Scala 2.9*. With that in mind, I wanted to give >> a few heads-up/requests to developers: >> >> If you are developing applications on top of Spark's master branch, those >> will need to migrate to Scala 2.10. You may want to download and test the >> current scala-2.10 branch in order to make sure you will be okay as Spark >> developments move forward. Of course, you can always stick with the current >> master commit and be fine (I'll cut a tag when we do the merge in order to >> delineate where the version changes). Please open new threads on the dev >> list to report and discuss any issues. >> >> This merge will temporarily drop support for YARN 2.2 on the master >> branch. >> This is because the workaround we used was only compiled for Scala 2.9. >> We are going to come up with a more robust solution to YARN 2.2 support >> before releasing 0.9. >> >> Going forward, we will continue to make maintenance releases on >> branch-0.8 which will remain compatible with Scala 2.9. >> >> For those interested, the primary code changes in this merge are >> upgrading the akka version, changing the use of Scala 2.9's ClassManifest >> construct to Scala 2.10's ClassTag, and updating the spark shell to work >> with Scala 2.10's repl. >> >> - Patrick >> > >
