Thank you Dongjoon for initiating this! It sounds good to me!
Bests, William On Tue, May 16, 2023 at 11:45 PM Dongjoon Hyun <dongj...@apache.org> wrote: > Hi All. > > `branch-1.9` is created to prepare Apache ORC 1.9.0 and > `main` branch is bumped to 2.0.0. > > - Milestone for 1.9: https://github.com/apache/orc/milestone/10 > - Milestone for 2.0: https://github.com/apache/orc/milestone/20 > > In general, Apache ORC releases have been aligned with > Apache Spark releases and maintenance cycles > with a longer support period. > > - ORC 1.6.x <-> Spark 3.2.x (End-Of-Life) > - ORC 1.7.x <-> Spark 3.3.x > - ORC 1.8.x <-> Spark 3.4.x > - ORC 1.9.x <-> Spark 3.5.x > > In addition to the planned on-going 1.7.x/1.8.x/1.9.x, > we can start Apache ORC 2.0 as a good opportunity > to reduce technical debt like removing Hadoop 2 and > supporting Java 21 LTS. > > Of course, we may want to create ORC 1.10.x later from `branch-1.9`. > Apache ORC v2.x is a parallel stream that will not block anything of 1.x. > If needed, we will discuss it later after Apache ORC 1.9 release. > > Lastly, for now, `main` branch keeps ORC File Format `v0.12` > for Apache ORC 2.0 because ORC File Format Versions > (v0.11, v0.12, UNSTABLE-PRE-2.0) are orthogonal from > Apache ORC library versions (1.6.x ~ 2.0.x). > Like Apache Parquet or Arrow, we may want to explicitly split repositories > at this time. > > Please let us know your opinion about the new `main` branch version and > release schedule. > Also, feel free to create GitHub Issues for the milestone in order to do > planning together. > > Thanks, > Dongjoon. >
