To clarify, the changes discussed here don't affect hive connectors in engines, which either use the built-in hive version (Spark) or can be upgraded to hive 3 (Flink).
On Wed, Nov 20, 2024 at 2:19 PM Manu Zhang <owenzhang1...@gmail.com> wrote: > Okay, let me add this option > > D. Drop Hive 2 & 3 support and suggest to use built-in Iceberg support of > Hive 4 > > On Wed, Nov 20, 2024 at 2:00 PM Cheng Pan <pan3...@gmail.com> wrote: > >> Hive 4 brings built-in support for Iceberg format, duplicated >> implementation in both sides look a redundant stuff. >> >> As Hive 2 and 3 do not support Java 11+, and Iceberg 1.8 requires Java >> 11+, the combination is invalid. How about simply dropping support for Hive >> 2&3 and suggesting the Hive user upgrade Hive 4 to gain the built-in >> Iceberg support? >> >> Thanks, >> Cheng Pan >> >> >> >> On Nov 20, 2024, at 12:47, Manu Zhang <owenzhang1...@gmail.com> wrote: >> >> Hi all, >> >> We previously reached consensus[1] to deprecate Hive 2 in 1.7 and drop in >> 1.8. However, when working on the removal PR[2], multiple tests failed in >> Hive 3 due to not supporting JDK11[3]. The fix has been back-ported to >> branch-3.1[4] but not released yet. As announced on Hive website, Hive 3.x >> is declared as End of Life so there will be no more Hive 3 release. >> Peter(@pvary) suggested upgrading to Hive 4 instead. On the other hand, >> iceberg-hive3 tests are already broken after we dropped JDK 8 support. It's >> not caught previously due to tests not running[6]. >> >> Based on the current situation, here are the options I can think of to >> move forward >> >> A. Continue to remove Hive 2 in the current PR and upgrade to Hive 4 in a >> separate PR. >> B. Hold on removing Hive 2 until we upgrade to Hive 4 >> C. Add source dependency[7] on Hive branch-3.1 or make a Hive 3.1 release >> from a forked repo. >> >> 1. https://lists.apache.org/thread/zg14b8cor4lnbyd3t4n1297y2bwb1fsg >> 2. https://github.com/apache/iceberg/pull/10996 >> 3. https://issues.apache.org/jira/browse/HIVE-21584 >> 4. https://github.com/apache/hive/commits/branch-3.1/ >> 5. https://hive.apache.org/general/downloads/ >> 6. https://github.com/apache/iceberg/pull/11584 >> 7. https://blog.gradle.org/introducing-source-dependencies >> >> Which option do you prefer? Any better alternative? >> >> Thanks, >> Manu >> >> >>
