CCing common-dev@hadoop.apache.org

On Thu, 29 Feb 2024 at 22:36, PJ Fanning <fannin...@apache.org> wrote:
>
> There is an issue with the protobuf lib - described here [1]
>
> The idea would be to do a new hadoop-thirdparty release and uptake that.
>
> Related the hadoop-thirdparty uptake, I would like to get the Avro
> uptake merged [2]. I think if we don't merge this for Hadoop 3.4.0, we
> will have to wait until v3.5.0 instead because changing the Avro
> compilation is probably something that you would want in a patch
> release.
>
>
> [1] https://issues.apache.org/jira/browse/HADOOP-19090
> [2] https://github.com/apache/hadoop/pull/4854#issuecomment-1967549235
>
>
> On Thu, 29 Feb 2024 at 22:24, slfan1989 <slfan1...@apache.org> wrote:
> >
> > I am preparing hadoop-3.4.0-RC3 as we have already released 3 RC versions
> > before, and I hope hadoop-3.4.0-RC3 will receive the approval of the
> > members.
> >
> > Compared to hadoop-3.4.0-RC2, my plan is to backport 2 PRs from branch-3.4
> > to branch-3.4.0:
> >
> > HADOOP-18088: Replacing log4j 1.x with reload4j.
> > HADOOP-19084: Pruning hadoop-common transitive dependencies.
> >
> > I will use hadoop-release-support to package the arm version.
> >
> > I plan to release hadoop-3.4.0-RC3 next Monday.
> >
> > Best Regards,
> > Shilun Fan.
> >
> > On Sat, Feb 24, 2024 at 11:28 AM slfan1989 <slfan1...@apache.org> wrote:
> >
> > > Thank you very much for Steve's detailed test report and issue 
> > > description!
> > >
> > >  I appreciate your time spent helping with validation. I am currently
> > > trying to use hadoop-release-support to prepare hadoop-3.4.0-RC3.
> > >
> > > After completing the hadoop-3.4.0 version, I will document some of the
> > > issues encountered in the "how to release" document, so that future 
> > > members
> > > can refer to it during the release process.
> > >
> > > Once again, thank you to all members involved in the hadoop-3.4.0 release.
> > >
> > > Let's hope for a smooth release process.
> > >
> > > Best Regards,
> > > Shilun Fan.
> > >
> > > On Sat, Feb 24, 2024 at 2:29 AM Steve Loughran 
> > > <ste...@cloudera.com.invalid>
> > > wrote:
> > >
> > >> I have been testing this all week, and a -1 until some very minor changes
> > >> go in.
> > >>
> > >>
> > >>    1. build the arm64 binaries with the same jar artifacts as the x86 one
> > >>    2. include ad8b6541117b HADOOP-18088. Replace log4j 1.x with reload4j.
> > >>    3. include 80b4bb68159c HADOOP-19084. Prune hadoop-common transitive
> > >>    dependencies
> > >>
> > >>
> > >> For #1 we have automation there in my client-validator module, which I
> > >> have
> > >> moved to be a hadoop-managed project and tried to make more
> > >> manageable
> > >> https://github.com/apache/hadoop-release-support
> > >>
> > >> This contains an ant project to perform a lot of the documented build
> > >> stages, including using SCP to copy down an x86 release tarball and make 
> > >> a
> > >> signed copy of this containing (locally built) arm artifacts.
> > >>
> > >> Although that only works with my development environment (macbook m1
> > >> laptop
> > >> and remote ec2 server), it should be straightforward to make it more
> > >> flexible.
> > >>
> > >> It also includes and tests a maven project which imports many of the
> > >> hadoop-* pom files and run some test with it; this caught some problems
> > >> with exported slf4j and log4j2 artifacts getting into the classpath. That
> > >> is: hadoop-common pulling in log4j 1.2 and 2.x bindings.
> > >>
> > >> HADOOP-19084 fixes this; the build file now includes a target to scan the
> > >> dependencies and fail if "forbidden" artifacts are found. I have not been
> > >> able to stop logback ending on the transitive dependency list, but at
> > >> least
> > >> there is only one slf4j there.
> > >>
> > >> HADOOP-18088. Replace log4j 1.x with reload4j switches over to reload4j
> > >> while the move to v2 is still something we have to consider a WiP.
> > >>
> > >> I have tried doing some other changes to the packaging this week
> > >> - creating a lean distro without the AWS SDK
> > >> - trying to get protobuf-2.5 out of yarn-api
> > >> However, I think it is too late to try applying patches this risky.
> > >>
> > >> I Believe we should get the 3.4.0 release out for people to start playing
> > >> with while we rapidly iterate 3.4.1 release out with
> > >> - updated dependencies (where possible)
> > >> - separate "lean" and "full" installations, where "full" includes all the
> > >> cloud connectors and their dependencies; the default is lean and doesn't.
> > >> That will cut the default download size in half.
> > >> - critical issues which people who use the 3.4.0 release raise with us.
> > >>
> > >> That is: a packaging and bugs release, with a minimal number of new
> > >> features.
> > >>
> > >> I've created HADOOP-19087
> > >> <https://issues.apache.org/jira/browse/HADOOP-19087> to cover this,
> > >> I'm willing to get my hands dirty here -Shilun Fan and Xiaoqiao He have
> > >> put
> > >> a lot of work on 3.4.0 and probably need other people to take up the work
> > >> for next release. Who else is willing to participate? (Yes Mukund, I have
> > >> you in mind too)
> > >>
> > >> One thing I would like to visit is: what hadoop-tools modules can we cut?
> > >> Are rumen and hadoop-streaming being actively used? Or can we consider
> > >> them
> > >> implicitly EOL and strip. Just think of the maintenance effort we would
> > >> save.
> > >>
> > >> ---
> > >>
> > >> Incidentally, I have tested the arm stuff on my raspberry pi5 which is 
> > >> now
> > >> running 64 bit linux. I believe it is the first time we have qualified a
> > >> Hadoop release with the media player under someone's television.
> > >>
> > >> On Thu, 15 Feb 2024 at 20:41, Mukund Madhav Thakur <mtha...@cloudera.com>
> > >> wrote:
> > >>
> > >> > Thanks, Shilun for putting this together.
> > >> >
> > >> > Tried the below things and everything worked for me.
> > >> >
> > >> > validated checksum and gpg signature.
> > >> > compiled from source.
> > >> > Ran AWS integration tests.
> > >> > untar the binaries and able to access objects in S3 via hadoop fs
> > >> commands.
> > >> > compiled gcs-connector successfully using the 3.4.0 version.
> > >> >
> > >> > qq: what is the difference between RC1 and RC2? apart from some extra
> > >> > patches.
> > >> >
> > >> >
> > >> >
> > >> > On Thu, Feb 15, 2024 at 10:58 AM slfan1989 <slfan1...@apache.org>
> > >> wrote:
> > >> >
> > >> >> Thank you for explaining this part!
> > >> >>
> > >> >> hadoop-3.4.0-RC2 used the validate-hadoop-client-artifacts tool to
> > >> >> generate
> > >> >> the ARM tar package, which should meet expectations.
> > >> >>
> > >> >> We also look forward to other members helping to verify.
> > >> >>
> > >> >> Best Regards,
> > >> >> Shilun Fan.
> > >> >>
> > >> >> On Fri, Feb 16, 2024 at 12:22 AM Steve Loughran <ste...@cloudera.com>
> > >> >> wrote:
> > >> >>
> > >> >> >
> > >> >> >
> > >> >> > On Mon, 12 Feb 2024 at 15:32, slfan1989 <slfan1...@apache.org>
> > >> wrote:
> > >> >> >
> > >> >> >>
> > >> >> >>
> > >> >> >> Note, because the arm64 binaries are built separately on a 
> > >> >> >> different
> > >> >> >> platform and JVM, their jar files may not match those of the x86
> > >> >> >> release -and therefore the maven artifacts. I don't think this is
> > >> >> >> an issue (the ASF actually releases source tarballs, the binaries
> > >> are
> > >> >> >> there for help only, though with the maven repo that's a bit
> > >> blurred).
> > >> >> >>
> > >> >> >> The only way to be consistent would actually untar the x86.tar.gz,
> > >> >> >> overwrite its binaries with the arm stuff, retar, sign and push out
> > >> >> >> for the vote.
> > >> >> >
> > >> >> >
> > >> >> >
> > >> >> > that's exactly what the "arm.release" target in my client-validator
> > >> >> does.
> > >> >> > builds an arm tar with the x86 binaries but the arm native libs,
> > >> signs
> > >> >> it.
> > >> >> >
> > >> >> >
> > >> >> >
> > >> >> >> Even automating that would be risky.
> > >> >> >>
> > >> >> >>
> > >> >> > automating is the *only* way to do it; apache ant has everything
> > >> needed
> > >> >> > for this including the ability to run gpg.
> > >> >> >
> > >> >> > we did this on the relevant 3.3.x releases and nobody has yet
> > >> >> complained...
> > >> >> >
> > >> >>
> > >> >
> > >>
> > >

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