Hi All,

Some updates on Hive-4.0 status:

All known 4.0 release blockers were addressed and merged to the master.
Thanks to everyone involved!!!
We've raised a new PR to rebase branch-4.0. After that, we'll accept only
bug fixes or some major improvements.

Feel free to check and test branch-4.0 in a couple of days. We'll continue
running number of functional & performance tests before the RC.

Regards,
Denys

On Tue, Jan 30, 2024 at 6:40 AM Okumin <m...@okumin.com> wrote:

> Hi,
>
> We deployed a test version of Hive 4 in our production. It is mostly
> working well. I appreciate the community's effort.
>
> Let me bump this thread so that community members can share the latest
> situation, and we can contribute to the remaining problems.
>
> Currently, we list the following tickets labeled with hive-4.0.0-must[1].
> - HIVE-27858: OOM happens when selecting many columns and JOIN
> - HIVE-26654: Test with the TPC-DS benchmark
>     - HIVE-24167: No.14 (Postponed until 4.1.0)
>     - HIVE-26986: No.71 (No labels)
>
> We have already applied a workaround[2] for HIVE-24167. Also, Denys
> says HIVE-26986 is not a blocker of Hive 4.0.0. So, I expect
> HIVE-27858 to be the only blocker.
>
> I have some proposals about the next action.
> - Can we take over HIVE-27858? We are the reporter of the ticket. It
> would be reasonable If Naveen is not working on it yet
> - We may review HIVE-27984[3]. As I mentioned in another thread[4], it
> would have a fairly big impact on the Hive ecosystem
>
> And I would like someone to take a look at the following PR for
> HIVE-24167. It is not a blocker thanks to
> `hive.optimize.cte.materialize.threshold=-1`. However, we plan to use
> Hive 4 with CTE materialization.
> https://github.com/apache/hive/pull/5037
>
> Thanks!
>
> - [1]
> https://issues.apache.org/jira/issues/?jql=labels%20%3D%20hive-4.0.0-must
> - [2] https://github.com/apache/hive/pull/4858
> - [3] https://github.com/apache/hive/pull/4984
> - [4] https://www.mail-archive.com/dev@hive.apache.org/msg144280.html
>
> Regards,
> Okumin
>
> On Thu, Nov 23, 2023 at 11:42 PM Butao Zhang <butaozha...@163.com> wrote:
> >
> > Cool! Thank you Denys for driving this!
> >
> >
> > Thanks,
> > Butao Zhang
> > ---- Replied Message ----
> > | From | Attila Turoczy<aturo...@cloudera.com.INVALID> |
> > | Date | 11/23/2023 22:29 |
> > | To | <dev@hive.apache.org> |
> > | Subject | Re: Release of Hive 4 and TPC-DS benchmark |
> > Excellent new Denys! Hive 4 is here! Can't wait :)
> >
> > -Attila
> >
> >
> > On Thu, Nov 23, 2023 at 3:20 PM Denys Kuzmenko <dkuzme...@apache.org>
> wrote:
> >
> > Update:
> > 1. Query 2, 71: Resolved in HIVE-27006 [1];
> >
> > 2. Query 97: Under review in HIVE-27269 [2];
> > Thanks, Seonggon for providing a reproduce qfile.
> >
> > 3. Query 14: Reported in HIVE-24167 [3];
> > set hive.optimize.cte.materialize.threshold to -1 by default in Hive 4
> and
> > fix it in the next versions
> >
> > 4. HIVE-26986 [4] is a performance improvement that is nice to have, but
> > not a blocker for the release.
> >
> > Be advised, next week we plan to cut 4.0.0 release branch from master and
> > start testing.
> >
> > Thanks, Denys
> >
> > [1] https://issues.apache.org/jira/browse/HIVE-27006
> > [2] https://issues.apache.org/jira/browse/HIVE-27269
> > [3] https://issues.apache.org/jira/browse/HIVE-24167
> > [4] https://issues.apache.org/jira/browse/HIVE-26986
> >
> >
>

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