Thanks Eric! I sent out an RC1 earlier last week, not sure if you saw that.
The only diff between RC1 and RC0 is HDFS-14667. If RC1 looks good to you
then it'd be great to get your testing results on that thread.

Jonathan Hung


On Mon, Oct 28, 2019 at 1:06 PM epa...@apache.org <epa...@apache.org> wrote:

> Compatibility testing has gone well for me.
>
> - In a 4-node cluster, I ran YARN rolling upgrade tests between 2.8.5 and
> 2.10.0
> - In a 4-node cluster, I ran YARN rolling upgrade tests between 2.10.0 and
> trunk
> - With one 4-node cluster running 2.10.0 and one 4-node cluster running
> trunk, I ran a word count job in each cluster whose inputs and outputs were
> from and to the opposite cluster.
> - I verified that HDFS replication works as expected in a trunk cluster
> that has one 2.10.0 datanode.
>
> Thanks,
> -Eric
>
> On Tuesday, October 22, 2019, 8:39:38 PM CDT, Jonathan Hung <
> jyhung2...@gmail.com> wrote:
>
>
>
>
>
> Hi Eric, we've run some basic HDFS commands with a 3.2.1 namenode and
> 2.10.0 clients and datanodes. Everything worked as expected.
>
> Jonathan Hung
>
>
> On Tue, Oct 22, 2019 at 3:04 PM Eric Badger <ebad...@verizonmedia.com>
> wrote:
>
> > Hi Jonathan,
> >
> > Thanks for putting this RC together. You stated that there are
> > improvements related to rolling upgrades from 2.x to 3.x and I know I
> have
> > seen multiple JIRAs getting committed to that effect. Could you describe
> > any tests that you have done to verify rolling upgrade compatibility
> > for 3.x servers talking to 2.x clients and vice versa?
> >
> > Thanks,
> >
> > Eric
> >
> > On Tue, Oct 22, 2019 at 1:49 PM Jonathan Hung <jyhung2...@gmail.com>
> > wrote:
> >
> >> Thanks Konstantin and Zhankun. Unfortunately a feature slipped our radar
> >> (HDFS-14667). Since this is the first of a minor release, we would like
> to
> >> get it into 2.10.0.
> >>
> >> HDFS-14667 has been committed to branch-2.10.0, I will be rolling an RC1
> >> shortly.
> >>
> >> Jonathan Hung
> >>
> >>
> >> On Tue, Oct 22, 2019 at 1:39 AM Zhankun Tang <zt...@apache.org> wrote:
> >>
> >> > Thanks for the effort, Jonathan!
> >> >
> >> > +1 (non-binding) on RC0.
> >> >  - Set up a single node cluster with the binary tarball
> >> >  - Run Spark Pi and pySpark job
> >> >
> >> > BR,
> >> > Zhankun
> >> >
> >> > On Tue, 22 Oct 2019 at 14:31, Konstantin Shvachko <
> shv.had...@gmail.com
> >> >
> >> > wrote:
> >> >
> >> >> +1 on RC0.
> >> >> - Verified signatures
> >> >> - Built from sources
> >> >> - Ran unit tests for new features
> >> >> - Checked artifacts on Nexus, made sure the sources are present.
> >> >>
> >> >> Thanks
> >> >> --Konstantin
> >> >>
> >> >>
> >> >> On Wed, Oct 16, 2019 at 6:01 PM Jonathan Hung <jyhung2...@gmail.com>
> >> >> wrote:
> >> >>
> >> >> > Hi folks,
> >> >> >
> >> >> > This is the first release candidate for the first release of Apache
> >> >> Hadoop
> >> >> > 2.10 line. It contains 361 fixes/improvements since 2.9 [1]. It
> >> includes
> >> >> > features such as:
> >> >> >
> >> >> > - User-defined resource types
> >> >> > - Native GPU support as a schedulable resource type
> >> >> > - Consistent reads from standby node
> >> >> > - Namenode port based selective encryption
> >> >> > - Improvements related to rolling upgrade support from 2.x to 3.x
> >> >> >
> >> >> > The RC0 artifacts are at:
> >> >> http://home.apache.org/~jhung/hadoop-2.10.0-RC0/
> >> >> >
> >> >> > RC tag is release-2.10.0-RC0.
> >> >> >
> >> >> > The maven artifacts are hosted here:
> >> >> >
> >> >>
> >>
> https://repository.apache.org/content/repositories/orgapachehadoop-1241/
> >> >> >
> >> >> > My public key is available here:
> >> >> > https://dist.apache.org/repos/dist/release/hadoop/common/KEYS
> >> >> >
> >> >> > The vote will run for 5 weekdays, until Wednesday, October 23 at
> >> 6:00 pm
> >> >> > PDT.
> >> >> >
> >> >> > Thanks,
> >> >> > Jonathan Hung
> >> >> >
> >> >> > [1]
> >> >> >
> >> >> >
> >> >>
> >>
> https://issues.apache.org/jira/issues/?jql=project%20in%20(HDFS%2C%20YARN%2C%20HADOOP%2C%20MAPREDUCE)%20AND%20resolution%20%3D%20Fixed%20AND%20fixVersion%20%3D%202.10.0%20AND%20fixVersion%20not%20in%20(2.9.2%2C%202.9.1%2C%202.9.0)
> >> >> >
> >> >>
> >> >
> >>
> >
>
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