Probably a misunderstanding by the authors of that document. As
https://arrow.apache.org/release/ shows, we've been doing quarterly major
releases since roughly 2018, and they've been on the
January/April/July/October ballpark, with the occasional delay. Perhaps we
should formalize that somewhere on the website if it isn't stated already.

Neal

On Mon, Mar 15, 2021 at 1:28 PM prem sagar gali <sagarpre...@gmail.com>
wrote:

> Hi Arrow Devs,
>
> From the following road-map document I found, it appears to be that arrow
> 4.0 next major release is in June 2021 as opposed to April 2021.
>
>
> https://docs.google.com/document/d/1qspsOM_dknOxJKdGvKbC1aoVoO0M3i6x1CIo58mmN2Y/edit#
>
> Quoting the document here:
>
> "...about plans for the 4.0 release of Apache Arrow (~June 2021)...."
>
> Did I run into the wrong document regarding the correct arrow 4.0 release
> date? I have connected with Andy and Keith offline and cuDF should be fine
> with waiting until `4.0.0` if the release is April 2021.
>
> Regards,
> Prem
>
> On Mon, Mar 15, 2021 at 10:54 AM Andy Grove <andygrov...@gmail.com> wrote:
>
> > Hi Prem,
> >
> > I didn't spot that this came from an NVIDIA email address when looking at
> > this email on my phone. I will ping you directly and report conclusions
> > back here.
> >
> > Thanks,
> >
> > Andy.
> >
> > On Fri, Mar 12, 2021 at 11:01 PM Andy Grove <andygrov...@gmail.com>
> wrote:
> >
> > > Hi Prem,
> > >
> > > I'd like to learn more about your needs here.
> > >
> > > I mostly work on the Rust implementation but I work with the cuDF team
> in
> > > my day job at NVIDIA.
> > >
> > > I'll take a look at your PR on Monday.
> > >
> > > Thanks,
> > >
> > > Andy.
> > >
> > >
> > >
> > >
> > > On Fri, Mar 12, 2021, 3:47 PM Neal Richardson <
> > neal.p.richard...@gmail.com>
> > > wrote:
> > >
> > >> I'll let others comment on a patch release, but let me clarify: we do
> > >> major
> > >> releases quarterly, and 3.0.0 was in January, so 4.0.0 will be in
> April.
> > >>
> > >> Neal
> > >>
> > >> On Fri, Mar 12, 2021 at 2:45 PM Prem Sagar Gali <pg...@nvidia.com>
> > wrote:
> > >>
> > >> > Hi Arrow Devs,
> > >> >
> > >> > I'm a maintainer of a project called cuDF (
> > >> > https://github.com/rapidsai/cudf.git) that is based on the Arrow
> > >> columnar
> > >> > format and depends on the Arrow C++ and Python libraries. Currently,
> > we
> > >> are
> > >> > pinned to version `1.0.1`, but we've gotten feedback from the
> > community
> > >> > that they'd really like us to upgrade to the latest version. We
> tried
> > to
> > >> > upgrade to version `3.0.0` but ran into a major issue:
> > >> >
> > >> >
> > >> > - GPU buffer validation fails in array and table creation code
> flows.
> > >> > Related JIRA is https://issues.apache.org/jira/browse/ARROW-11872
> and
> > >> > subsequent PR fixing the issue is
> > >> > https://github.com/apache/arrow/pull/9640 and was merged a few days
> > >> ago.
> > >> > Unfortunately, this effectively blocks most usage of Arrow libraries
> > for
> > >> > CUDA projects.
> > >> >
> > >> > - After this, we tried version `2.0.0` but hit a different issue of
> > >> > round-tripping of list of structs columns doesn't work properly in
> the
> > >> > parquet reader and writer. This is fixed in version `3.0.0`.
> > >> >
> > >> > It seems like version `4.0.0` is tentatively scheduled for June
> 2021,
> > >> > which is unfortunately quite a bit away. Would it be possible to do
> a
> > >> patch
> > >> > release in `3.x` that included the fix for GPU buffer validation?
> This
> > >> > would greatly help us upgrade to the latest arrow version and
> directly
> > >> help
> > >> > users using both Arrow and cuDF.
> > >> >
> > >> >
> > >> > Regards,
> > >> > Prem
> > >> >
> > >>
> > >
> >
>

Reply via email to