+1. Xiao
On Wed, Oct 5, 2022 at 12:49 PM Sean Owen <sro...@gmail.com> wrote: > I'm OK with this. It simplifies maintenance a bit, and specifically may > allow us to finally move off of the ancient version of Guava (?) > > On Mon, Oct 3, 2022 at 10:16 PM Dongjoon Hyun <dongjoon.h...@gmail.com> > wrote: > >> Hi, All. >> >> I'm wondering if the following Apache Spark Hadoop2 Binary Distribution >> is still used by someone in the community or not. If it's not used or not >> useful, >> we may remove it from Apache Spark 3.4.0 release. >> >> >> https://downloads.apache.org/spark/spark-3.3.0/spark-3.3.0-bin-hadoop2.tgz >> >> Here is the background of this question. >> Since Apache Spark 2.2.0 (SPARK-19493, SPARK-19550), the Apache >> Spark community has been building and releasing with Java 8 only. >> I believe that the user applications also use Java8+ in these days. >> Recently, I received the following message from the Hadoop PMC. >> >> > "if you really want to claim hadoop 2.x compatibility, then you have >> to >> > be building against java 7". Otherwise a lot of people with hadoop 2.x >> > clusters won't be able to run your code. If your projects are java8+ >> > only, then they are implicitly hadoop 3.1+, no matter what you use >> > in your build. Hence: no need for branch-2 branches except >> > to complicate your build/test/release processes [1] >> >> If Hadoop2 binary distribution is no longer used as of today, >> or incomplete somewhere due to Java 8 building, the following three >> existing alternative Hadoop 3 binary distributions could be >> the better official solution for old Hadoop 2 clusters. >> >> 1) Scala 2.12 and without-hadoop distribution >> 2) Scala 2.12 and Hadoop 3 distribution >> 3) Scala 2.13 and Hadoop 3 distribution >> >> In short, is there anyone who is using Apache Spark 3.3.0 Hadoop2 Binary >> distribution? >> >> Dongjoon >> >> [1] >> https://issues.apache.org/jira/browse/ORC-1251?focusedCommentId=17608247&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17608247 >> > --
