So I'm not a lawyer, but looking at the JDK8 License FAQ ( https://www.oracle.com/technetwork/java/javase/overview/oracle-jdk-faqs.html ) makes me feel like we should support folks who are on the 2.x branch and want to migrate away from JDK8. Although the Redhat post about OpenJDK8 is reassuring ( https://developers.redhat.com/blog/2019/05/22/openjdk-8-and-11-still-in-safe-hands/ ).
On Tue, Aug 27, 2019 at 2:22 PM Sean Owen <sro...@gmail.com> wrote: > Spark 3 will not require Java 11; it will work with Java 8 too. I > think the question is whether someone who _wants_ Java 11 should have > a 2.x release instead of 3.0. > > In practice... how much are people moving off Java 8 right now? It's > still my default, because most but not all things work with 11. (Here, > I'm using 11 as shorthand for 9+; it's the LTS release in the 9 to 11 > series). > I get that the issue is support, but it seems that Oracle is still > providing public updates through Dec 2020. I think it's that > commercial support is now for-pay? And OpenJDK 8 still gets updates? > that I'm unclear on. > > Not that those aren't legitimate concerns, I'm just trying to figure > out how much need vs want there is and why out there. > > > On Tue, Aug 27, 2019 at 4:15 PM Jean Georges Perrin <j...@jgp.net> wrote: > > > > Not a contributor, but a user perspective… > > > > As Spark 3.x will be an evolution, I am not completely shocked that it > would imply a Java 11 requirement as well. Would be great to have both Java > 8 and Java 11, but one needs to be able to say goodbye. Java 8 is great, > still using it actively in production, but we know its time is limited, so, > by the time we evolve to Spark 3, we could combine it with Java 11. > > > > On the other hand, not everybody may think this way and it may slow down > the adoption of Spark 3… > > > > However, I concur with Sean, I don’t think another 2.x is needed for > Java 11. > > > > > On Aug 27, 2019, at 3:09 PM, Sean Owen <sro...@gmail.com> wrote: > > > > > > I think one of the key problems here are the required dependency > > > upgrades. It would mean many minor breaking changes and a few bigger > > > ones, notably around Hive, and forces a scala 2.12-only update. I > > > think my question is whether that even makes sense as a minor release? > > > it wouldn't be backwards compatible with 2.4 enough to call it a > > > low-risk update. It would be a smaller step than moving all the way to > > > 3.0, sure. I am not super against it, but we have to keep in mind how > > > much work it would then be to maintain two LTS 2.x releases, 2.4 and > > > the sort-of-compatible 2.5, while proceeding with 3.x. > > > > > > On Tue, Aug 27, 2019 at 2:01 PM DB Tsai <d_t...@apple.com.invalid> > wrote: > > >> > > >> Hello everyone, > > >> > > >> Thank you all for working on supporting JDK11 in Apache Spark 3.0 as > a community. > > >> > > >> Java 8 is already end of life for commercial users, and many > companies are moving to Java 11. > > >> The release date for Apache Spark 3.0 is still not there yet, and > there are many API > > >> incompatibility issues when upgrading from Spark 2.x. As a result, > asking users to move to > > >> Spark 3.0 to use JDK 11 is not realistic. > > >> > > >> Should we backport PRs for JDK11 and cut a release in 2.x to support > JDK11? > > >> > > >> Should we cut a new Apache Spark 2.5 since the patches involve some > of the dependencies changes > > >> which is not desired in minor release? > > >> > > >> Thanks. > > >> > > >> DB Tsai | Siri Open Source Technologies [not a contribution] | > Apple, Inc > > >> > > >> > > >> --------------------------------------------------------------------- > > >> To unsubscribe e-mail: dev-unsubscr...@spark.apache.org > > >> > > > > > > --------------------------------------------------------------------- > > > To unsubscribe e-mail: dev-unsubscr...@spark.apache.org > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe e-mail: dev-unsubscr...@spark.apache.org > > > > --------------------------------------------------------------------- > To unsubscribe e-mail: dev-unsubscr...@spark.apache.org > > -- Twitter: https://twitter.com/holdenkarau Books (Learning Spark, High Performance Spark, etc.): https://amzn.to/2MaRAG9 <https://amzn.to/2MaRAG9> YouTube Live Streams: https://www.youtube.com/user/holdenkarau
