oh wow, had no idea it got ripped out On Wed, Mar 30, 2016 at 11:50 AM, Mark Hamstra <m...@clearstorydata.com> wrote:
> No, with 2.0 Spark really doesn't use Akka: > https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/SparkConf.scala#L744 > > On Wed, Mar 30, 2016 at 9:10 AM, Koert Kuipers <ko...@tresata.com> wrote: > >> Spark still runs on akka. So if you want the benefits of the latest akka >> (not saying we do, was just an example) then you need to drop scala 2.10 >> On Mar 30, 2016 10:44 AM, "Cody Koeninger" <c...@koeninger.org> wrote: >> >>> I agree with Mark in that I don't see how supporting scala 2.10 for >>> spark 2.0 implies supporting it for all of spark 2.x >>> >>> Regarding Koert's comment on akka, I thought all akka dependencies >>> have been removed from spark after SPARK-7997 and the recent removal >>> of external/akka >>> >>> On Wed, Mar 30, 2016 at 9:36 AM, Mark Hamstra <m...@clearstorydata.com> >>> wrote: >>> > Dropping Scala 2.10 support has to happen at some point, so I'm not >>> > fundamentally opposed to the idea; but I've got questions about how we >>> go >>> > about making the change and what degree of negative consequences we are >>> > willing to accept. Until now, we have been saying that 2.10 support >>> will be >>> > continued in Spark 2.0.0. Switching to 2.11 will be non-trivial for >>> some >>> > Spark users, so abruptly dropping 2.10 support is very likely to delay >>> > migration to Spark 2.0 for those users. >>> > >>> > What about continuing 2.10 support in 2.0.x, but repeatedly making an >>> > obvious announcement in multiple places that such support is >>> deprecated, >>> > that we are not committed to maintaining it throughout 2.x, and that >>> it is, >>> > in fact, scheduled to be removed in 2.1.0? >>> > >>> > On Wed, Mar 30, 2016 at 7:45 AM, Sean Owen <so...@cloudera.com> wrote: >>> >> >>> >> (This should fork as its own thread, though it began during discussion >>> >> of whether to continue Java 7 support in Spark 2.x.) >>> >> >>> >> Simply: would like to more clearly take the temperature of all >>> >> interested parties about whether to support Scala 2.10 in the Spark >>> >> 2.x lifecycle. Some of the arguments appear to be: >>> >> >>> >> Pro >>> >> - Some third party dependencies do not support Scala 2.11+ yet and so >>> >> would not be usable in a Spark app >>> >> >>> >> Con >>> >> - Lower maintenance overhead -- no separate 2.10 build, >>> >> cross-building, tests to check, esp considering support of 2.12 will >>> >> be needed >>> >> - Can use 2.11+ features freely >>> >> - 2.10 was EOL in late 2014 and Spark 2.x lifecycle is years to come >>> >> >>> >> I would like to not support 2.10 for Spark 2.x, myself. >>> >> >>> >> --------------------------------------------------------------------- >>> >> To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org >>> >> For additional commands, e-mail: dev-h...@spark.apache.org >>> >> >>> > >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: dev-unsubscr...@spark.apache.org >>> For additional commands, e-mail: dev-h...@spark.apache.org >>> >>> >
