So JDK 11 is still supported in open JDK until 2026, I'm not sure if we're going to see enough folks moving to JRE17 by the Spark 4 release unless we have a strong benefit from dropping 11 support I'd be inclined to keep it.
On Tue, Jun 6, 2023 at 9:08 PM Dongjoon Hyun <dongj...@apache.org> wrote: > I'm also +1 on dropping both Java 8 and 11 in Apache Spark 4.0, too. > > Dongjoon. > > On 2023/06/07 02:42:19 yangjie01 wrote: > > +1 on dropping Java 8 in Spark 4.0, and I even hope Spark 4.0 can only > support Java 17 and the upcoming Java 21. > > > > 发件人: Denny Lee <denny.g....@gmail.com> > > 日期: 2023年6月7日 星期三 07:10 > > 收件人: Sean Owen <sro...@gmail.com> > > 抄送: David Li <lidav...@apache.org>, "dev@spark.apache.org" < > dev@spark.apache.org> > > 主题: Re: JDK version support policy? > > > > +1 on dropping Java 8 in Spark 4.0, saying this as a fan of the > fast-paced (positive) updates to Arrow, eh?! > > > > On Tue, Jun 6, 2023 at 4:02 PM Sean Owen <sro...@gmail.com<mailto: > sro...@gmail.com>> wrote: > > I haven't followed this discussion closely, but I think we could/should > drop Java 8 in Spark 4.0, which is up next after 3.5? > > > > On Tue, Jun 6, 2023 at 2:44 PM David Li <lidav...@apache.org<mailto: > lidav...@apache.org>> wrote: > > Hello Spark developers, > > > > I'm from the Apache Arrow project. We've discussed Java version support > [1], and crucially, whether to continue supporting Java 8 or not. As Spark > is a big user of Arrow in Java, I was curious what Spark's policy here was. > > > > If Spark intends to stay on Java 8, for instance, we may also want to > stay on Java 8 or otherwise provide some supported version of Arrow for > Java 8. > > > > We've seen dependencies dropping or planning to drop support. gRPC may > drop Java 8 at any time [2], possibly this September [3], which may affect > Spark (due to Spark Connect). And today we saw that Arrow had issues > running tests with Mockito on Java 20, but we couldn't update Mockito since > it had dropped Java 8 support. (We pinned the JDK version in that CI > pipeline for now.) > > > > So at least, I am curious if Arrow could start the long process of > migrating Java versions without impacting Spark, or if we should continue > to cooperate. Arrow Java doesn't see quite so much activity these days, so > it's not quite critical, but it's possible that these dependency issues > will start to affect us more soon. And looking forward, Java is working on > APIs that should also allow us to ditch the --add-opens flag requirement > too. > > > > [1]: https://lists.apache.org/thread/phpgpydtt3yrgnncdyv4qdq1gf02s0yj< > https://mailshield.baidu.com/check?q=Nz%2bGj2hdKguk92URjA7sg0PfbSN%2fXUIMgrHTmW45gOOKEr3Shre45B7TRzhEpb%2baVsnyuRL%2fl%2f0cu7IVGHunSGDVnxM%3d > > > > [2]: > https://github.com/grpc/proposal/blob/master/P5-jdk-version-support.md< > https://mailshield.baidu.com/check?q=s89S3eo8GCJkV7Mpx7aG1SXId7uCRYGjQMA6DeLuX9duS86LhIODZMJfeFdGMWdFzJ8S7minyHoC7mCrzHagbJXCXYTBH%2fpZBpfTbw%3d%3d > > > > [3]: https://github.com/grpc/grpc-java/issues/9386< > https://mailshield.baidu.com/check?q=R0HtWZIkY5eIxpz8jtqHLzd0ugNbcaXIKW2LbUUxpIn0t9Y9yAhuHPuZ4buryfNwRnnJTA%3d%3d > > > > > > --------------------------------------------------------------------- > 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
