Thanks Istvan for the detailed analysis!

For HBASE-29834, I've already put up a PR to fix the problem. See

https://github.com/apache/hbase/pull/7660

And on HBASE-29843, I do not fully understand the problem and need
more context about the usage on Phoenix side. I think we should be
able to fix it.

Thanks.

Istvan Toth <[email protected]> 于2026年1月22日周四 14:33写道:
>
> This seems to have been caused by forward synchronous RPC changes between
> Hbase 2 and 3 (where HBase 2 simulates non-inclusive start keys by
> adding a \00 byte and setting them as inclusive, while HBase 3 handles them
> natively.
> This is something that we can handle on the Phoenix side.
>
> On the other hand, I've found a major and a minor breaking change in HBase
> 3:
>
> The big problem is HBASE-29843
> <https://issues.apache.org/jira/browse/HBASE-29843>
> HBaseRPCController.setPriority(final TableName tn) is never called on
> branch-3+
> Phoenix relies on setting it its own HBaseRPCController to set custom
> priorities, but HBase 3 has mostly abandoned using HBaseRPCController,
> leaving no
> working mechanism for Phoenix to use.
> HBase needs to restore using it to maintain compatibility. (or provide some
> alternative method)
>
> The smaller problem is HBASE-29834
> <https://issues.apache.org/jira/browse/HBASE-29834> MILLIS_BETWEEN_NEXTS
> metric is not updated on branch-3+
> This does not break Phoenix, it just happens to be detected by a Phoenix
> test.
>
> Istvan
>
>
> On Mon, Nov 3, 2025 at 10:22 AM Istvan Toth <[email protected]> wrote:
>
> > Sorry, I missed your reply eralier, Duo.
> >
> > I still haven't figured out the issue (though at least now I am now able
> > to run those tests from a debugger)
> > No ticket yet, as I'm still not sure which project to use.
> >
> > To repro this, we need to
> > * install a current HBase 3 snapshot locally from branch-3 head,
> > * check out my WIP Phoenix HBase 3 branch:
> > https://github.com/stoty/phoenix/tree/PHOENIX-7164-2025
> > * then run a faling test:
> >
> > *mvn clean verify -am -pl phoenix-core
> > -Dit.test=BaseAggregateWithRegionMoves2IT#testGroupByArray
> > -Dhbase.profile=3.0  -Dtest=foo*
> > There are other similar tests failures, missing expected ResultSet rows
> > after aggressively moving around the table regions during the query.
> >
> > Istvan
> >
> > On Thu, Oct 16, 2025 at 3:49 PM 张铎(Duo Zhang) <[email protected]>
> > wrote:
> >
> >> Is there an issue in HBase or Phoenix for tracking this problem?
> >>
> >> Thanks.
> >>
> >> Istvan Toth <[email protected]> 于2025年10月16日周四 11:58写道:
> >> >
> >> > Quick heads up:
> >> > I'm investigating a regression in the Phoenix test suite where scans are
> >> > not reset when the processed region is moved, leading to missing data
> >> from
> >> > the scan.
> >> >
> >> > I am not positive yet that the issue is on the HBase side, will report
> >> here
> >> > (and open a ticket if needed) when I know more.
> >> >
> >> > Istvan
> >> >
> >> > On Sat, Sep 13, 2025 at 2:18 PM 张铎(Duo Zhang) <[email protected]>
> >> wrote:
> >> >
> >> > > Only 4 issues left on 3.0.0-beta-2 now, will wait for one more week to
> >> > > see if we can get these issues done, otherwise will move them out of
> >> > > 3.0.0.
> >> > >
> >> > > And the HBCK2 issue has been fixed.
> >> > >
> >> > > Plan to cut a new hbase-operator-tools release before cutting
> >> 3.0.0-beta-2.
> >> > >
> >> > > Thanks.
> >> > >
> >> > > 张铎(Duo Zhang) <[email protected]> 于2025年8月31日周日 22:57写道:
> >> > > >
> >> > > > I've finished one round of reviewing pending issues for
> >> 3.0.0-beta-2.
> >> > > >
> >> > > > There are still some necessary ones we need to get in before the
> >> final
> >> > > > 3.0.0 release, like make HBCK2 work against hbase3.
> >> > > >
> >> > > > Will keep working on them.
> >> > > >
> >> > > > Thanks.
> >> > > >
> >> > > > Nihal Jain <[email protected]> 于2025年6月19日周四 16:06写道:
> >> > > > >
> >> > > > > Yes, from hbase-thirdparty side, release is done and also
> >> consumed in
> >> > > hbase
> >> > > > > branch-2.5 and branch-2.6 and we are good here.
> >> > > > >
> >> > > > > On Wed, 18 Jun 2025 at 8:48 PM, 张铎(Duo Zhang) <
> >> [email protected]>
> >> > > wrote:
> >> > > > >
> >> > > > > > Oh, I think we should cut 2.6.3 and 2.5.12 too? Since we have
> >> already
> >> > > > > > made the new thirdparty release without jetty 12.
> >> > > > > >
> >> > > > > > Thanks.
> >> > > > > >
> >> > > > > > Nihal Jain <[email protected]> 于2025年6月18日周三 01:51写道:
> >> > > > > > >
> >> > > > > > > Ah yes, let me restart work for hbase thirdparty release for
> >> jetty
> >> > > 12
> >> > > > > > soon.
> >> > > > > > >
> >> > > > > > > On Tue, 17 Jun 2025 at 10:37 PM, Istvan Toth
> >> > > <[email protected]
> >> > > > > > >
> >> > > > > > > wrote:
> >> > > > > > >
> >> > > > > > > > I think we should make sure we're using Jetty 12 in the next
> >> > > beta. (
> >> > > > > > so we
> >> > > > > > > > need a thirdparty release for Jetty 12)
> >> > > > > > > > We could also review other dependencies, and bump the ones
> >> (if
> >> > > any)
> >> > > > > > that
> >> > > > > > > > were kept on old versions because of the Java 8 requirement.
> >> > > > > > > >
> >> > > > > > > > Istvan
> >> > > > > > > >
> >> > > > > > > > On Tue, Jun 17, 2025 at 11:08 AM 张铎(Duo Zhang) <
> >> > > [email protected]>
> >> > > > > > > > wrote:
> >> > > > > > > >
> >> > > > > > > > > The good news is that I've finally got a successful 10B
> >> ITBLL
> >> > > run.
> >> > > > > > > > >
> >> > > > > > > > > You can check HBASE-27919 for more details.
> >> > > > > > > > >
> >> > > > > > > > > Next let me cleanup the jira issues and nightly runs.
> >> > > > > > > > >
> >> > > > > > > > > This time I think we can see 3.0.0 out soon.
> >> > > > > > > > >
> >> > > > > > > > > Thanks.
> >> > > > > > > > >
> >> > > > > > > > > Nihal Jain <[email protected]> 于2025年3月12日周三 03:37写道:
> >> > > > > > > > > >
> >> > > > > > > > > > Hi Duo,
> >> > > > > > > > > >
> >> > > > > > > > > > Have you tried hbase-3.x on a kerberized env? I
> >> encountered
> >> > > > > > HBASE-29144
> >> > > > > > > > > with kerberos. Posting here to just bring to attention.
> >> > > > > > > > > >
> >> > > > > > > > > > Regards
> >> > > > > > > > > > Nihal
> >> > > > > > > > > >
> >> > > > > > > > > > On 2025/03/08 01:49:12 "张铎(Duo Zhang)" wrote:
> >> > > > > > > > > > > A good news, cluster replication worked fine while
> >> rolling
> >> > > > > > upgrading
> >> > > > > > > > > in my test.
> >> > > > > > > > > > >
> >> > > > > > > > > > > Let me focus on the region replication stuff. After
> >> fixing
> >> > > this
> >> > > > > > > > issue,
> >> > > > > > > > > > > the only blocker is a stable 10B ITBLL run.
> >> > > > > > > > > > >
> >> > > > > > > > > > > Hope we could get 3.0.0 out soon.
> >> > > > > > > > > > >
> >> > > > > > > > > > > Thanks.
> >> > > > > > > > > > >
> >> > > > > > > > > > > 张铎(Duo Zhang) <[email protected]> 于2025年3月6日周四
> >> > > 22:55写道:
> >> > > > > > > > > > > >
> >> > > > > > > > > > > > I've finished one round of rolling upgrading test.
> >> It
> >> > > worked
> >> > > > > > fine.
> >> > > > > > > > > > > > Please see HBASE-29161.
> >> > > > > > > > > > > >
> >> > > > > > > > > > > > But soon I found a problem when memstore
> >> replication is
> >> > > > > > enabled,
> >> > > > > > > > and
> >> > > > > > > > > > > > filed HBASE-29169.
> >> > > > > > > > > > > >
> >> > > > > > > > > > > > I will test upgrading with cluster replication too,
> >> to
> >> > > see if
> >> > > > > > there
> >> > > > > > > > > > > > are any other issues.
> >> > > > > > > > > > > >
> >> > > > > > > > > > > > Thanks.
> >> > > > > > > > > > > >
> >> > > > > > > > > > > > Istvan Toth <[email protected]> 于2025年1月20日周一
> >> 14:24写道:
> >> > > > > > > > > > > > >
> >> > > > > > > > > > > > > For HBASE-28431, only the final step of adding the
> >> > > > > > Hadoop-less
> >> > > > > > > > > assembly is
> >> > > > > > > > > > > > > missing.
> >> > > > > > > > > > > > >
> >> > > > > > > > > > > > > Please review
> >> > > https://github.com/apache/hbase/pull/5766 if
> >> > > > > > you
> >> > > > > > > > > have the
> >> > > > > > > > > > > > > time.
> >> > > > > > > > > > > > >
> >> > > > > > > > > > > > > Istvan
> >> > > > > > > > > > > > >
> >> > > > > > > > > > > > > On Tue, Dec 31, 2024 at 2:43 PM 张铎(Duo Zhang) <
> >> > > > > > > > > [email protected]> wrote:
> >> > > > > > > > > > > > >
> >> > > > > > > > > > > > > > I've finished the first round of issue
> >> alignment, it
> >> > > took
> >> > > > > > > > > several months...
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > And I've created a release audit tool for 3.0.0
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > https://github.com/apache9/hbase-release-audit
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > where we can have several ignore files, so we
> >> do not
> >> > > need
> >> > > > > > to
> >> > > > > > > > > manually
> >> > > > > > > > > > > > > > check the result every time.
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > So now, there are still several things to be
> >> done
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > 1. Make sure we have all the features and fixes
> >> we
> >> > > want to
> >> > > > > > land
> >> > > > > > > > > on
> >> > > > > > > > > > > > > > branch-3. For example, I think Istvan's assembly
> >> > > cleanup
> >> > > > > > should
> >> > > > > > > > > be
> >> > > > > > > > > > > > > > included. Please report other issues you want to
> >> > > land in
> >> > > > > > final
> >> > > > > > > > > 3.0.0.
> >> > > > > > > > > > > > > > 2. Several stable 10B ITBLL runs. I will try to
> >> see
> >> > > if I
> >> > > > > > can
> >> > > > > > > > get
> >> > > > > > > > > > > > > > enough resources but it will be great if others
> >> > > could help
> >> > > > > > > > here.
> >> > > > > > > > > > > > > > 3. Rolling upgrading test. I plan to do rolling
> >> > > upgrade
> >> > > > > > test
> >> > > > > > > > > with the
> >> > > > > > > > > > > > > > latest 2.6.x and 2.5.x releases. Since we have
> >> big
> >> > > changes
> >> > > > > > on
> >> > > > > > > > > > > > > > replication and region replica replication, I
> >> plan
> >> > > to have
> >> > > > > > > > tests
> >> > > > > > > > > with
> >> > > > > > > > > > > > > > these two features enabled too if possible.
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > Any other suggestions?
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > Thanks.
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > 张铎(Duo Zhang) <[email protected]>
> >> 于2024年9月19日周四
> >> > > > > > 22:35写道:
> >> > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > And do we want to apply the same trick to
> >> > > MasterObserver
> >> > > > > > and
> >> > > > > > > > > > > > > > > RegionServerObserver?
> >> > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > For RegionObserver, we'd better do this
> >> because
> >> > > there are
> >> > > > > > > > > already
> >> > > > > > > > > > > > > > > methods in it that use the ObserverContext<?
> >> > > extends
> >> > > > > > > > > > > > > > > RegionCoprocessorEnvironment> declaration,
> >> which
> >> > > were
> >> > > > > > added
> >> > > > > > > > in
> >> > > > > > > > > > > > > > > HBASE-10378.
> >> > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > For other coprocessor observers, we do not
> >> have
> >> > > such
> >> > > > > > methods
> >> > > > > > > > > yet.
> >> > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > Nick Dimiduk <[email protected]>
> >> 于2024年9月19日周四
> >> > > > > > 22:03写道:
> >> > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > We do it here or we wait for 4.0. I'm
> >> inclined
> >> > > toward
> >> > > > > > doing
> >> > > > > > > > > it here
> >> > > > > > > > > > > > > > > > because (i think) we expect coprocessor
> >> > > > > > implementations to
> >> > > > > > > > > necessarily
> >> > > > > > > > > > > > > > > > recompile anyway. Though I admit I've not
> >> thought
> >> > > > > > through
> >> > > > > > > > > what
> >> > > > > > > > > > > > > > features are
> >> > > > > > > > > > > > > > > > enabled by this new generic signature.
> >> > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > On Thu, Sep 19, 2024 at 3:57 PM 张铎(Duo
> >> Zhang) <
> >> > > > > > > > > [email protected]>
> >> > > > > > > > > > > > > > wrote:
> >> > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > Filed HBASE-28862.
> >> > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > It will break old coprocessor
> >> implementations
> >> > > even if
> >> > > > > > > > they
> >> > > > > > > > > do not use
> >> > > > > > > > > > > > > > > > > any deprecated method. But since it does
> >> not
> >> > > change
> >> > > > > > any
> >> > > > > > > > > abilities, I
> >> > > > > > > > > > > > > > > > > think it is OK to include this in a major
> >> > > release as
> >> > > > > > we
> >> > > > > > > > > have already
> >> > > > > > > > > > > > > > > > > done bunch of breaking changes, like
> >> changing
> >> > > the
> >> > > > > > > > protobuf
> >> > > > > > > > > from
> >> > > > > > > > > > > > > > > > > unshaded one to shaded and relocated
> >> one...
> >> > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > Thanks.
> >> > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > 张铎(Duo Zhang) <[email protected]>
> >> > > 于2024年9月19日周四
> >> > > > > > > > > 17:36写道:
> >> > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > Thanks for pointing this TODO out.
> >> > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > Let me file an issue abort this. For me
> >> I
> >> > > think we
> >> > > > > > > > > should do this
> >> > > > > > > > > > > > > > in
> >> > > > > > > > > > > > > > > > > 3.0.0.
> >> > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > Nick Dimiduk <[email protected]>
> >> > > 于2024年9月19日周四
> >> > > > > > > > > 16:46写道:
> >> > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > Should we take the opportunity to
> >> upgrade
> >> > > the
> >> > > > > > generic
> >> > > > > > > > > > > > > > definitions in
> >> > > > > > > > > > > > > > > > > our
> >> > > > > > > > > > > > > > > > > > > coprocessor signatures as well?
> >> > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > >
> >> > > > > >
> >> > >
> >> https://github.com/apache/hbase/blob/edbb145a3f0c6847f444fefdadea5b82d02b0bdb/hbase-server/src/main/java/org/apache/hadoop/hbase/coprocessor/RegionObserver.java#L101
> >> > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > On Tue, Sep 17, 2024 at 4:41 PM Duo
> >> Zhang <
> >> > > > > > > > > [email protected]>
> >> > > > > > > > > > > > > > wrote:
> >> > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > > I've done several rounds of API
> >> cleanup
> >> > > in
> >> > > > > > > > > HBASE-24888 and now
> >> > > > > > > > > > > > > > for me
> >> > > > > > > > > > > > > > > > > > > > I think it is enough for making the
> >> new
> >> > > major
> >> > > > > > > > > release.
> >> > > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > > I've filed HBASE-28844 for aligning
> >> the
> >> > > commit
> >> > > > > > > > > history and jira
> >> > > > > > > > > > > > > > > > > > > > issues, it will be a huge project
> >> for a
> >> > > major
> >> > > > > > > > > release and may
> >> > > > > > > > > > > > > > take
> >> > > > > > > > > > > > > > > > > > > > several weeks.
> >> > > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > > After that, I think we are good to
> >> go.
> >> > > And I
> >> > > > > > will
> >> > > > > > > > > also try to
> >> > > > > > > > > > > > > > find
> >> > > > > > > > > > > > > > > > > > > > some resources to run several
> >> rounds of
> >> > > ITBLL
> >> > > > > > and
> >> > > > > > > > > also some
> >> > > > > > > > > > > > > > upgrading
> >> > > > > > > > > > > > > > > > > > > > tests. Finally, after everything is
> >> OK,
> >> > > I will
> >> > > > > > > > > release
> >> > > > > > > > > > > > > > 3.0.0-beta-2,
> >> > > > > > > > > > > > > > > > > > > > and then cut branch-3.0 from the
> >> > > 3.0.0-beta-2
> >> > > > > > tag
> >> > > > > > > > > and make the
> >> > > > > > > > > > > > > > 3.0.0
> >> > > > > > > > > > > > > > > > > > > > release soon.
> >> > > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > > Hope I can get all these things done
> >> > > within the
> >> > > > > > > > year
> >> > > > > > > > > 2024.
> >> > > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > > > > > Thanks.
> >> > > > > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > > > > >
> >> > > > > > > > > > > > > >
> >> > > > > > > > > > >
> >> > > > > > > > >
> >> > > > > > > >
> >> > > > > > > >
> >> > > > > > > > --
> >> > > > > > > > *István Tóth* | Sr. Staff Software Engineer
> >> > > > > > > > *Email*: [email protected]
> >> > > > > > > > cloudera.com <https://www.cloudera.com>
> >> > > > > > > > [image: Cloudera] <https://www.cloudera.com/>
> >> > > > > > > > [image: Cloudera on Twitter] <https://twitter.com/cloudera>
> >> > > [image:
> >> > > > > > > > Cloudera on Facebook] <https://www.facebook.com/cloudera>
> >> > > [image:
> >> > > > > > Cloudera
> >> > > > > > > > on LinkedIn] <https://www.linkedin.com/company/cloudera>
> >> > > > > > > > ------------------------------
> >> > > > > > > > ------------------------------
> >> > > > > > > >
> >> > > > > >
> >> > >
> >> >
> >> >
> >> > --
> >> > *István Tóth* | Sr. Staff Software Engineer
> >> > *Email*: [email protected]
> >> > cloudera.com <https://www.cloudera.com>
> >> > [image: Cloudera] <https://www.cloudera.com/>
> >> > [image: Cloudera on Twitter] <https://twitter.com/cloudera> [image:
> >> > Cloudera on Facebook] <https://www.facebook.com/cloudera> [image:
> >> Cloudera
> >> > on LinkedIn] <https://www.linkedin.com/company/cloudera>
> >> > ------------------------------
> >> > ------------------------------
> >>
> >
> >
> > --
> > *István Tóth* | Sr. Staff Software Engineer
> > *Email*: [email protected]
> > cloudera.com <https://www.cloudera.com>
> > [image: Cloudera] <https://www.cloudera.com/>
> > [image: Cloudera on Twitter] <https://twitter.com/cloudera> [image:
> > Cloudera on Facebook] <https://www.facebook.com/cloudera> [image:
> > Cloudera on LinkedIn] <https://www.linkedin.com/company/cloudera>
> > ------------------------------
> > ------------------------------
> >
>
>
> --
> *István Tóth* | Sr. Staff Software Engineer
> *Email*: [email protected]
> cloudera.com <https://www.cloudera.com>
> [image: Cloudera] <https://www.cloudera.com/>
> [image: Cloudera on Twitter] <https://twitter.com/cloudera> [image:
> Cloudera on Facebook] <https://www.facebook.com/cloudera> [image: Cloudera
> on LinkedIn] <https://www.linkedin.com/company/cloudera>
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