+1. On Wed, Oct 5, 2022 at 1:53 PM Xiao Li <lix...@databricks.com.invalid> wrote:
> +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 >>> >> > > -- > >
