Yeah, I do like the idea of using --release. We'll need to test it with those platforms though.
On Tue, Apr 25, 2023 at 12:04 PM Anton Okolnychyi <aokolnyc...@apple.com.invalid> wrote: > It would be interesting to hear more from Hive/Impala folks on this topic. > > I’d avoid supporting both JDK8 and JDK11 given the complexity we need to > add. Our build is already complicated. > > Jack’s idea of using JDK11 with --release flag may be worth exploring. > > - Anton > > On Apr 24, 2023, at 10:11 AM, Jack Ye <yezhao...@gmail.com> wrote: > > I agree, it wouldn't help given the fact that we won't be able to use the > features in newer JDKs. > > However, I think there is still a difference in the artifact compiled by > JDK8, vs compiled by JDK11 with --release=8, that might be useful. For > example, I came across this try with resource introduces unreachable byte > code issue > <https://stackoverflow.com/questions/25615417/try-with-resources-introduce-unreachable-bytecode/25746587#25746587> > which is fixed in JDK11, and some optimizations in JDK9 related to string > concatenation <https://openjdk.org/jeps/280>. Although Javac is not an > optimizing compiler and there should not be much difference in performance > of the jars produced by different compilers, these changes might be worth > for the project to declare a newer compile-time JDK across all modules, and > just always enforce --release flag to 8 to ensure people do not use newer > JDK features. But these are quite minor changes so I am not very > opinionated either way. > > Any thoughts? > > -Jack > > On Mon, Apr 24, 2023 at 2:22 AM Zoltán Borók-Nagy <borokna...@apache.org> > wrote: > >> Besides Hive, neither Impala is compatible with Java11 right now. This >> work is in-progress: https://issues.apache.org/jira/browse/IMPALA-11360 >> >> - Zoltan >> >> On Mon, Apr 24, 2023 at 11:07 AM Mass Dosage <massdos...@gmail.com> >> wrote: >> >>> I agree with Ryan, unless you can change the source version there's not >>> that much point. >>> >>> On the Hive front, as you can see from that ticket it's been open for >>> 4(!) years and hasn't received much action recently. I think it's one of >>> the reasons AWS EMR still defaults to Java 8. It would be really great if >>> they could finally push that one over the finish line. >>> >>> On Sat, 22 Apr 2023 at 20:43, Ryan Blue <b...@tabular.io> wrote: >>> >>>> I think in order to publish multiple versions we would need to have >>>> different artifact names, like Scala uses (e.g. _2.12). >>>> >>>> It probably also wouldn't help. If we have to remain compatible with >>>> JDK 8, then publishing some artifacts for JDK 11 would still mean only >>>> using JDK 8 features. The source version is what we care about more, so if >>>> we can't change it then we can't really do anything else. >>>> >>>> On Sat, Apr 22, 2023 at 10:12 AM Jack Ye <yezhao...@gmail.com> wrote: >>>> >>>>> Would it be an option to use --release flag to control the release >>>>> target version, and publish 2 versions of the library to Maven, 1 for JDK8 >>>>> and 1 for JDK11? >>>>> >>>>> Jack >>>>> >>>>> On Fri, Apr 21, 2023 at 5:17 PM Ryan Blue <b...@tabular.io> wrote: >>>>> >>>>>> Looks like Hive isn't quite done migrating to Java 11: >>>>>> https://issues.apache.org/jira/browse/HIVE-22415 >>>>>> >>>>>> I'm not sure whether that's still a problem, but we currently don't >>>>>> build Hive 3 support unless we're using Java 8. That makes me think that >>>>>> dropping JDK 8 support would probably also make it a lot more difficult >>>>>> for >>>>>> Hive to do releases based on Iceberg. Even with some of the integration >>>>>> moving into the Hive project, if we started shipping JDK 11 Jars then >>>>>> Hive >>>>>> would no longer be able to update. >>>>>> >>>>>> Ryan >>>>>> >>>>>> On Fri, Apr 21, 2023 at 5:02 PM Anton Okolnychyi < >>>>>> aokolnyc...@apple.com.invalid> wrote: >>>>>> >>>>>>> Sorry, I wasn’t clear that I also imply dropping JDK 8 (unless there >>>>>>> is a good reason to keep it?). >>>>>>> >>>>>>> - Anton >>>>>>> >>>>>>> On Apr 21, 2023, at 4:59 PM, Ryan Blue <b...@tabular.io> wrote: >>>>>>> >>>>>>> Would we also drop support for JDK 8? >>>>>>> >>>>>>> On Fri, Apr 21, 2023 at 4:58 PM Anton Okolnychyi < >>>>>>> aokolnyc...@apple.com.invalid> wrote: >>>>>>> >>>>>>>> Following up on the discussion in the Spark 2.4 thread, shall we >>>>>>>> move to JDK 11 for releases as Spark 2.4 support has been dropped? >>>>>>>> >>>>>>>> - Anton >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Ryan Blue >>>>>>> Tabular >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> -- >>>>>> Ryan Blue >>>>>> Tabular >>>>>> >>>>> >>>> >>>> -- >>>> Ryan Blue >>>> Tabular >>>> >>> > -- Ryan Blue Tabular