I have committed PHOENIX-7191 (thanks for the review, Viraj).
I have also put up a PR <https://github.com/apache/phoenix/pull/1810> for
PHOENIX-7193.

I was not able to test them comprehensively, as I am still struggling with
some issues with HBase 3 where simple GETs
initiated from a coprocessor hang until they time out, but I wanted to get
the known fixes in to unblock 5.2.

Istvan

On Tue, Feb 13, 2024 at 6:24 AM Istvan Toth <st...@apache.org> wrote:

> We didn't really have such branches for past releases (that I have
> followed), but we could change the practice.
>
> When I acted as an RM, I didn't feel the need to branch early, but if it
> helps your planned workflow, then sure.
> At least it would remind us to actually complete the release in a
> reasonable amount of time.
>
> Istvan
>
> On Tue, Feb 13, 2024 at 4:30 AM Viraj Jasani <vjas...@apache.org> wrote:
>
>> No worries, that’s fine, both 5.2.0 and 5.1.4 can wait for non-zk registry
>> fixes for a week or so.
>>
>> On the other hand, how about we still cut 5.2 branch now and keep
>> backporting changes landing on master branch to 5.2 if necessary. Once
>> non-zk registries are fixed, I can start with 5.2.0 release preparation.
>>
>>
>> On Sun, Feb 11, 2024 at 11:28 PM Istvan Toth <st...@apache.org> wrote:
>>
>> > Thank you, Viraj,
>> >
>> > 5.1.4 also has the non-ZK registries feature, and has the same bugs as
>> 5.2
>> > in that code.
>> >
>> >
>> >
>> > On Sat, Feb 10, 2024 at 7:00 PM Viraj Jasani <vjas...@apache.org>
>> wrote:
>> >
>> > > Sure no worries, we can wait a few more days.
>> > >
>> > > In the meantime, I have merged the backport PR on 5.1 branch for the
>> data
>> > > integrity fixes. Once omid dependency change is in, I believe we are
>> good
>> > > to start with 5.1.4.
>> > >
>> > > Thank you Rajeshbabu for volunteering to take it up.
>> > >
>> > >
>> > > On Sat, Feb 10, 2024 at 1:28 AM Istvan Toth <st...@apache.org> wrote:
>> > >
>> > >> I appreciate the drive to get 5.2.0 out of the door, but I would
>> prefer
>> > to
>> > >> have a few more days to fix the registry issues,
>> > >> and run some tests on them before cutting the branch, Viraj.
>> > >> The non-ZK registry support is one of the bigger new features, and
>> I'd
>> > >> prefer not to have known breaking bugs in the release.
>> > >> Can we target Friday or the next Monday for the cut ?
>> > >>
>> > >> Istvan
>> > >>
>> > >> On Sat, Feb 10, 2024 at 10:07 AM rajeshb...@apache.org <
>> > >> chrajeshbab...@gmail.com> wrote:
>> > >>
>> > >> > Yes Viraj, I can release 5.1.4
>> > >> >
>> > >> > Thanks,
>> > >> > Rajeshbabu.
>> > >> >
>> > >> > On Sat, Feb 10, 2024, 10:28 AM Viraj Jasani <vjas...@apache.org>
>> > wrote:
>> > >> >
>> > >> >> I think we can also target 5.2.1 very soon, perhaps just next
>> month,
>> > >> with
>> > >> >> more CVE fixes and any other fixes if ready.
>> > >> >>
>> > >> >>
>> > >> >> On Fri, Feb 9, 2024 at 6:39 PM Viraj Jasani <vjas...@apache.org>
>> > >> wrote:
>> > >> >>
>> > >> >> > For 5.2.0, it would be great to focus on the known data
>> integrity
>> > >> >> issues.
>> > >> >> > We can fix non-zk registry, cover a few more CVEs by upgrading
>> > third
>> > >> >> party
>> > >> >> > dependencies and stabilize tests. As for the tests, they don’t
>> seem
>> > >> >> broken,
>> > >> >> > but are flaky. I have got multiple builds without any test
>> failures
>> > >> on
>> > >> >> PR
>> > >> >> > for PHOENIX-7106.
>> > >> >> >
>> > >> >> > If this looks good to you, I can start release preparation next
>> > week.
>> > >> >> What
>> > >> >> > do you think, Istvan?
>> > >> >> >
>> > >> >> > In the meantime, I have 5.1 backport PR open, awaiting good
>> build
>> > >> >> results
>> > >> >> > before committing it.
>> > >> >> > Rajeshbabu, would you like to be RM for 5.1.4 once the PR is
>> > merged?
>> > >> >> >
>> > >> >> >
>> > >> >> >
>> > >> >> > On Fri, Feb 9, 2024 at 11:13 AM Istvan Toth <st...@apache.org>
>> > >> wrote:
>> > >> >> >
>> > >> >> >> Yes, they basically make the non-ZK registries unusable.
>> > >> >> >> (at least the connectionless problems should be fixed.)
>> > >> >> >>
>> > >> >> >> I hope to have the final fix for those sometime next week.
>> > >> >> >>
>> > >> >> >> Also have we looked at potential CVE issues on master recently
>> ?
>> > >> >> >>
>> > >> >> >> I think we should also look at the most flakey tests I linked
>> > above,
>> > >> >> >> and fix them or at least make sure that they are test issues
>> and
>> > not
>> > >> >> real
>> > >> >> >> bugs.
>> > >> >> >>
>> > >> >> >> Istvan
>> > >> >> >>
>> > >> >> >>
>> > >> >> >>
>> > >> >> >> On Fri, Feb 9, 2024 at 6:55 PM Viraj Jasani <
>> vjas...@apache.org>
>> > >> >> wrote:
>> > >> >> >>
>> > >> >> >> > Thanks Istvan.
>> > >> >> >> > I would like to cut 5.2 branch from master. Do you see non-ZK
>> > >> >> registry
>> > >> >> >> for
>> > >> >> >> > MapReduce jobs as blocker for 5.2.0?
>> > >> >> >> >
>> > >> >> >> >
>> > >> >> >> > On Fri, Feb 9, 2024 at 12:24 AM Istvan Toth <
>> st...@apache.org>
>> > >> >> wrote:
>> > >> >> >> >
>> > >> >> >> > >
>> > >> ParallelPhoenixConnectionFailureTest.testExecuteQueryChainFailure
>> > >> >> also
>> > >> >> >> > > fails too often, especially when the test host is slow
>> and/or
>> > >> the
>> > >> >> >> load is
>> > >> >> >> > > high.
>> > >> >> >> > > On my fast laptop, I can semi-reliably break it by running
>> > >> >> >> > > mvn clean verify -am -pl phoenix-core -DnumForkedUT=20
>> > >> >> >> > >
>> > >> >> >> > > On Fri, Feb 9, 2024 at 9:19 AM Istvan Toth <
>> st...@apache.org>
>> > >> >> wrote:
>> > >> >> >> > >
>> > >> >> >> > > > We're making progress.
>> > >> >> >> > > > I can see that Viraj has just landed PHOENIX-7601, and
>> > >> Rajeshbabu
>> > >> >> >> has
>> > >> >> >> > > > released Omid 1.1.1.
>> > >> >> >> > > > Thank you!
>> > >> >> >> > > >
>> > >> >> >> > > > At the moment, the following outstanding issues are on my
>> > >> radar:
>> > >> >> >> > > >
>> > >> >> >> > > > https://issues.apache.org/jira/browse/PHOENIX-7191
>> > >> >> >> > > > https://issues.apache.org/jira/browse/PHOENIX-7193
>> > >> >> >> > > >
>> > >> >> >> > > > These are bugs in my non-ZK registry implementation,
>> which
>> > >> were
>> > >> >> >> found
>> > >> >> >> > > > during HBase 3 work.
>> > >> >> >> > > > I have some PRs up, but they may not be complete. I will
>> > push
>> > >> for
>> > >> >> >> > reviews
>> > >> >> >> > > > once I have the HBase 3 tests passing, and possibly
>> updated
>> > >> them
>> > >> >> >> based
>> > >> >> >> > on
>> > >> >> >> > > > that.
>> > >> >> >> > > >
>> > >> >> >> > > > We also have a number of very flakey tests, see:
>> > >> >> >> > > >
>> > >> >> >> > > >
>> > >> >> >> > > >
>> > >> >> >> > >
>> > >> >> >> >
>> > >> >> >>
>> > >> >>
>> > >>
>> >
>> https://ci-hadoop.apache.org/job/Phoenix/job/Phoenix-mulitbranch/job/master/test_results_analyzer/
>> > >> >> >> > > >
>> > >> >> >> > > >
>> > >> >> >> > > >
>> > >> >> >> > > > On Tue, Jan 30, 2024 at 7:09 AM Istvan Toth <
>> > >> st...@cloudera.com>
>> > >> >> >> > wrote:
>> > >> >> >> > > >
>> > >> >> >> > > >> As Viraj wrote, those are just plans.
>> > >> >> >> > > >> If HBase 3 won't be released by the time the other
>> features
>> > >> are
>> > >> >> >> ready,
>> > >> >> >> > > >> then it won't make it into 5.3.
>> > >> >> >> > > >> If other major features are ready by that time, then
>> they
>> > >> will
>> > >> >> be
>> > >> >> >> > > >> included. (though we are not aware of any now)
>> > >> >> >> > > >>
>> > >> >> >> > > >> As for the new major version, in the past Phoenix didn't
>> > >> have a
>> > >> >> >> > > >> compatibility module system,
>> > >> >> >> > > >> so a new branch was required,  which didn't support
>> older
>> > >> >> HBases.
>> > >> >> >> > Also,
>> > >> >> >> > > >> the API changes between HBase 1.x and 2.x were much
>> larger,
>> > >> >> >> > > >> The HBase 2 and 3 API are pretty similar, apart from the
>> > >> >> removal of
>> > >> >> >> > > >> deprecated 1.x APIs. (and the protobuf/protocol thing,
>> > which
>> > >> >> >> requires
>> > >> >> >> > a
>> > >> >> >> > > >> rather ugly hack).
>> > >> >> >> > > >>
>> > >> >> >> > > >> I will start the discussion on how we can add HBase 3
>> > >> support as
>> > >> >> >> soon
>> > >> >> >> > as
>> > >> >> >> > > >> I have a working POC patch.
>> > >> >> >> > > >>
>> > >> >> >> > > >> We could call 5.3 6.0 instead, after all Phoenix isn't
>> > using
>> > >> a
>> > >> >> >> strict
>> > >> >> >> > > >> semantic versioning, but then 6.0 would also support
>> HBase
>> > 2.
>> > >> >> >> > > >> If we do not come to a consensus on the version name, we
>> > can
>> > >> >> always
>> > >> >> >> > have
>> > >> >> >> > > >> a vote on it.
>> > >> >> >> > > >>
>> > >> >> >> > > >> I think that the main motivation is that the community
>> > wants
>> > >> to
>> > >> >> >> > maintain
>> > >> >> >> > > >> as few branches as possible.
>> > >> >> >> > > >>
>> > >> >> >> > > >> Istvan
>> > >> >> >> > > >>
>> > >> >> >> > > >> On Mon, Jan 29, 2024 at 10:02 PM Stephen Jiang <
>> > >> >> >> > syuanjiang...@gmail.com
>> > >> >> >> > > >
>> > >> >> >> > > >> wrote:
>> > >> >> >> > > >>
>> > >> >> >> > > >>> I am not sure how close HBase 3.0 is.  Even if it is
>> only
>> > >> less
>> > >> >> >> than
>> > >> >> >> > one
>> > >> >> >> > > >>> year away, the adoption would be low at the
>> beginning.  I
>> > >> don't
>> > >> >> >> think
>> > >> >> >> > > 5.3
>> > >> >> >> > > >>> should wait for that.  And traditionally,  Phoenix
>> would
>> > >> have a
>> > >> >> >> major
>> > >> >> >> > > >>> release to support the HBase major release (4.x for
>> HBase
>> > >> 1.x
>> > >> >> and
>> > >> >> >> 5.x
>> > >> >> >> > > for
>> > >> >> >> > > >>> HBase 2.x), in this case, we are talking about Phoenix
>> 6.0
>> > >> for
>> > >> >> >> HBase
>> > >> >> >> > > 3.0.
>> > >> >> >> > > >>>
>> > >> >> >> > > >>> Maybe we should adopt the HBase release model: master
>> > branch
>> > >> >> for
>> > >> >> >> next
>> > >> >> >> > > >>> major
>> > >> >> >> > > >>> release (6.0) and branch-5.x branch for next 5.x minor
>> > >> release
>> > >> >> and
>> > >> >> >> > > >>> branch-5.2 for 5.2 minor release.
>> > >> >> >> > > >>>
>> > >> >> >> > > >>> Thanks
>> > >> >> >> > > >>> Stephen
>> > >> >> >> > > >>>
>> > >> >> >> > > >>>
>> > >> >> >> > > >>>
>> > >> >> >> > > >>> On Thu, Jan 25, 2024 at 11:50 PM Viraj Jasani <
>> > >> >> vjas...@apache.org
>> > >> >> >> >
>> > >> >> >> > > >>> wrote:
>> > >> >> >> > > >>>
>> > >> >> >> > > >>> > Sounds good.
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>> > Planned major changes for 5.3.0:
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>> > 1. JSON support.
>> > >> >> >> > > >>> > 2. HBase 3.0 support.
>> > >> >> >> > > >>> > 3. CDC feature (leveraging uncovered global index
>> > >> framework
>> > >> >> and
>> > >> >> >> > JSON
>> > >> >> >> > > >>> > support).
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>> > On Wed, Jan 24, 2024 at 8:22 PM Kadir Ozdemir
>> > >> >> >> > > >>> > <kozde...@salesforce.com.invalid> wrote:
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>> > > I suggest including another major change for 5.3,
>> > >> Phoenix
>> > >> >> CDC,
>> > >> >> >> > > >>> > > https://issues.apache.org/jira/browse/PHOENIX-7001
>> .
>> > >> The PR
>> > >> >> >> for
>> > >> >> >> > it
>> > >> >> >> > > >>> will
>> > >> >> >> > > >>> > be
>> > >> >> >> > > >>> > > posted soon.
>> > >> >> >> > > >>> > >
>> > >> >> >> > > >>> > > On Thu, Jan 25, 2024 at 5:35 AM Viraj Jasani <
>> > >> >> >> vjas...@apache.org
>> > >> >> >> > >
>> > >> >> >> > > >>> wrote:
>> > >> >> >> > > >>> > >
>> > >> >> >> > > >>> > > > Thanks Istvan! I agree with your points. It’s
>> really
>> > >> >> been a
>> > >> >> >> > while
>> > >> >> >> > > >>> we
>> > >> >> >> > > >>> > are
>> > >> >> >> > > >>> > > > talking about releasing 5.2.0 and yet due to
>> > bandwidth
>> > >> >> >> issues,
>> > >> >> >> > > >>> unable
>> > >> >> >> > > >>> > to
>> > >> >> >> > > >>> > > do
>> > >> >> >> > > >>> > > > so.
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > > > I agree to getting these fixes out, cut 5.2 and
>> > start
>> > >> the
>> > >> >> >> > release
>> > >> >> >> > > >>> work
>> > >> >> >> > > >>> > > and
>> > >> >> >> > > >>> > > > in the meantime I also need to prepare 5.1
>> backport.
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > > > For 5.3, let's plan HBase 3.0 support and JSON as
>> > >> major
>> > >> >> >> > changes.
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > > > On Mon, Jan 22, 2024 at 9:17 PM Istvan Toth <
>> > >> >> >> st...@apache.org>
>> > >> >> >> > > >>> wrote:
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > > > > Hi!
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > In my opinion cutting 5.2 now only makes sense
>> IF
>> > >> we DO
>> > >> >> >> NOT
>> > >> >> >> > > plan
>> > >> >> >> > > >>> to
>> > >> >> >> > > >>> > > > release
>> > >> >> >> > > >>> > > > > the outstanding big features (like JSON) in
>> 5.2. ,
>> > >> >> >> otherwise
>> > >> >> >> > > it's
>> > >> >> >> > > >>> > just
>> > >> >> >> > > >>> > > > > extra work to maintain more  branches.
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > Having said that, releasing a 5.2 and 5.1.4
>> with
>> > the
>> > >> >> data
>> > >> >> >> > > >>> integrity
>> > >> >> >> > > >>> > > fixes
>> > >> >> >> > > >>> > > > > real soon, and then releasing 5.3 in a few
>> months
>> > >> with
>> > >> >> >> JSON,
>> > >> >> >> > > and
>> > >> >> >> > > >>> any
>> > >> >> >> > > >>> > > > other
>> > >> >> >> > > >>> > > > > outstanding big features
>> > >> >> >> > > >>> > > > > that are close to being finished (and HBase 3.0
>> > >> >> support,
>> > >> >> >> if
>> > >> >> >> > > it's
>> > >> >> >> > > >>> > ready
>> > >> >> >> > > >>> > > by
>> > >> >> >> > > >>> > > > > then) would not be a bad idea.
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > On the CLDR side the only outstanding big
>> feature
>> > >> which
>> > >> >> >> could
>> > >> >> >> > > >>> impact
>> > >> >> >> > > >>> > > > > Viraj's integrity work is HBase 3.0 support,
>> and
>> > >> even
>> > >> >> >> that is
>> > >> >> >> > > >>> only
>> > >> >> >> > > >>> > > > because
>> > >> >> >> > > >>> > > > > it may require some larger refactors of
>> existing
>> > >> code,
>> > >> >> not
>> > >> >> >> > > >>> because it
>> > >> >> >> > > >>> > > > would
>> > >> >> >> > > >>> > > > > change the actual behaviour or algorithms.
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > Phoenix used to have several minor releases per
>> > >> year,
>> > >> >> the
>> > >> >> >> > > current
>> > >> >> >> > > >>> > state
>> > >> >> >> > > >>> > > > of
>> > >> >> >> > > >>> > > > > extreme longevity of 5.1 and several big new
>> > >> features
>> > >> >> >> being
>> > >> >> >> > > >>> added to
>> > >> >> >> > > >>> > it
>> > >> >> >> > > >>> > > > > (like uncovered indexes) is not ideal.
>> > >> >> >> > > >>> > > > > Releasing 5.2 and 5.3 relatively close together
>> > >> could
>> > >> >> be a
>> > >> >> >> > > >>> return to
>> > >> >> >> > > >>> > a
>> > >> >> >> > > >>> > > > > quicker cadence for minor releases, which could
>> > also
>> > >> >> help
>> > >> >> >> > with
>> > >> >> >> > > >>> the
>> > >> >> >> > > >>> > > public
>> > >> >> >> > > >>> > > > > image and adoption of Phoenix.
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > We were talking about releasing 5.2 at least a
>> > year
>> > >> >> ago,
>> > >> >> >> and
>> > >> >> >> > I
>> > >> >> >> > > >>> have
>> > >> >> >> > > >>> > > > started
>> > >> >> >> > > >>> > > > > working on that then, but then emergencies have
>> > come
>> > >> >> up at
>> > >> >> >> > > >>> $dayjob,
>> > >> >> >> > > >>> > > and I
>> > >> >> >> > > >>> > > > > could not see that through.
>> > >> >> >> > > >>> > > > > (So I am in part responsible for the lack of
>> minor
>> > >> >> >> releases)
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > regards
>> > >> >> >> > > >>> > > > > Istvan
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > On Mon, Jan 22, 2024 at 11:35 PM Viraj Jasani <
>> > >> >> >> > > >>> vjas...@apache.org>
>> > >> >> >> > > >>> > > > wrote:
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > > > > Sorry for the late reply.
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > > Do you think cutting 5.2.0 now makes sense?
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > No problem with that. I can cut 5.2 branch by
>> > the
>> > >> >> end of
>> > >> >> >> > this
>> > >> >> >> > > >>> week
>> > >> >> >> > > >>> > or
>> > >> >> >> > > >>> > > > at
>> > >> >> >> > > >>> > > > > > the start of next week.
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > If there is any very big change or feature
>> ready
>> > >> for
>> > >> >> >> merge
>> > >> >> >> > to
>> > >> >> >> > > >>> > master
>> > >> >> >> > > >>> > > > > branch
>> > >> >> >> > > >>> > > > > > with PR approvals already in place, please do
>> > let
>> > >> me
>> > >> >> >> know
>> > >> >> >> > so
>> > >> >> >> > > >>> that I
>> > >> >> >> > > >>> > > can
>> > >> >> >> > > >>> > > > > > help collaborate on how best we can get it
>> > merged
>> > >> >> >> without
>> > >> >> >> > > >>> impacting
>> > >> >> >> > > >>> > > 5.2
>> > >> >> >> > > >>> > > > > > release if required. My main motivation was
>> for
>> > >> any
>> > >> >> big
>> > >> >> >> > > change
>> > >> >> >> > > >>> to
>> > >> >> >> > > >>> > go
>> > >> >> >> > > >>> > > > > > through newly introduced tests so that we
>> know
>> > >> that
>> > >> >> >> > anything
>> > >> >> >> > > >>> > > additional
>> > >> >> >> > > >>> > > > > is
>> > >> >> >> > > >>> > > > > > not broken, and also to prioritize for
>> upcoming
>> > >> 5.2.0
>> > >> >> >> and
>> > >> >> >> > > 5.1.4
>> > >> >> >> > > >>> > > > releases.
>> > >> >> >> > > >>> > > > > > Moreover, there are several PRs getting
>> merged
>> > on
>> > >> the
>> > >> >> >> > master
>> > >> >> >> > > >>> > branch,
>> > >> >> >> > > >>> > > we
>> > >> >> >> > > >>> > > > > can
>> > >> >> >> > > >>> > > > > > continue that as long as they are not very
>> big
>> > >> >> changes,
>> > >> >> >> > which
>> > >> >> >> > > >>> might
>> > >> >> >> > > >>> > > > > require
>> > >> >> >> > > >>> > > > > > significant time to understand any
>> correlation
>> > >> with
>> > >> >> data
>> > >> >> >> > > >>> integrity
>> > >> >> >> > > >>> > > > > issues.
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > The PR is also ready for review with some
>> > >> additional
>> > >> >> >> cases
>> > >> >> >> > > >>> fixed
>> > >> >> >> > > >>> > last
>> > >> >> >> > > >>> > > > > week:
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > >
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>>
>> > >> >> >> > >
>> > >> >> >> >
>> > >> >> >>
>> > >> >>
>> > >>
>> >
>> https://urldefense.com/v3/__https://github.com/apache/phoenix/pull/1736__;!!DCbAVzZNrAf4!D4OVjUp2EWW2BqhGnBxsapDX_AHsibRphIpoFBWfgRsd3dsAikrFLo6PGxdTzGbSXJJ2fJ0j9mcz3asXMXo$
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > Depending on the review bandwidth, I am
>> hopeful
>> > we
>> > >> >> >> should
>> > >> >> >> > be
>> > >> >> >> > > >>> good
>> > >> >> >> > > >>> > to
>> > >> >> >> > > >>> > > > land
>> > >> >> >> > > >>> > > > > > them sooner.
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > On Wed, Jan 17, 2024 at 11:31 AM Rushabh Shah
>> > >> >> >> > > >>> > > > > > <rushabh.s...@salesforce.com.invalid> wrote:
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > > > > Thank you Viraj for initiating this thread.
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > > > > Given the critical nature of these
>> issues, I
>> > >> >> would
>> > >> >> >> like
>> > >> >> >> > > to
>> > >> >> >> > > >>> > > propose
>> > >> >> >> > > >>> > > > > that
>> > >> >> >> > > >>> > > > > > > we
>> > >> >> >> > > >>> > > > > > > treat this as a high priority for the
>> upcoming
>> > >> >> 5.2.0
>> > >> >> >> > > >>> release, and
>> > >> >> >> > > >>> > > not
>> > >> >> >> > > >>> > > > > > > include any other feature or big change to
>> > >> master
>> > >> >> >> branch
>> > >> >> >> > > >>> until we
>> > >> >> >> > > >>> > > > merge
>> > >> >> >> > > >>> > > > > > > this.
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > > > Do you think cutting 5.2.0 now makes sense?
>> > This
>> > >> >> will
>> > >> >> >> > > enable
>> > >> >> >> > > >>> > other
>> > >> >> >> > > >>> > > > > > > developers to merge features into master
>> > branch
>> > >> >> >> (5.3.0)
>> > >> >> >> > and
>> > >> >> >> > > >>> you
>> > >> >> >> > > >>> > can
>> > >> >> >> > > >>> > > > > take
>> > >> >> >> > > >>> > > > > > > some more time to make sure we cover all
>> the
>> > >> corner
>> > >> >> >> cases
>> > >> >> >> > > >>> for the
>> > >> >> >> > > >>> > > > data
>> > >> >> >> > > >>> > > > > > > integrity issues that you uncovered.
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > > > On Fri, Jan 5, 2024 at 6:38 PM Viraj
>> Jasani <
>> > >> >> >> > > >>> vjas...@apache.org>
>> > >> >> >> > > >>> > > > > wrote:
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > > > > Sounds good, thanks Rajeshbabu. I will
>> try
>> > to
>> > >> get
>> > >> >> >> the
>> > >> >> >> > > >>> first PR
>> > >> >> >> > > >>> > > out
>> > >> >> >> > > >>> > > > > next
>> > >> >> >> > > >>> > > > > > > > week and while reviews happen in
>> parallel,
>> > >> will
>> > >> >> try
>> > >> >> >> to
>> > >> >> >> > > get
>> > >> >> >> > > >>> 5.1
>> > >> >> >> > > >>> > PR
>> > >> >> >> > > >>> > > > > soon.
>> > >> >> >> > > >>> > > > > > > >
>> > >> >> >> > > >>> > > > > > > >
>> > >> >> >> > > >>> > > > > > > > On Wed, Jan 3, 2024 at 8:49 PM
>> > >> >> >> rajeshb...@apache.org <
>> > >> >> >> > > >>> > > > > > > > chrajeshbab...@gmail.com> wrote:
>> > >> >> >> > > >>> > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > Hi Viraj,
>> > >> >> >> > > >>> > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > Would be better to include the changes
>> in
>> > >> 5.1.4
>> > >> >> >> as
>> > >> >> >> > in
>> > >> >> >> > > >>> any
>> > >> >> >> > > >>> > way
>> > >> >> >> > > >>> > > it
>> > >> >> >> > > >>> > > > > > will
>> > >> >> >> > > >>> > > > > > > > take
>> > >> >> >> > > >>> > > > > > > > > at least 3-4 days to complete the omid
>> > >> release.
>> > >> >> >> > > >>> > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > Thanks,
>> > >> >> >> > > >>> > > > > > > > > Rajeshbabu.
>> > >> >> >> > > >>> > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > On Thu, Jan 4, 2024 at 5:06 AM Viraj
>> > Jasani
>> > >> <
>> > >> >> >> > > >>> > > vjas...@apache.org>
>> > >> >> >> > > >>> > > > > > > wrote:
>> > >> >> >> > > >>> > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > Thank you Kadir and Geoffrey for your
>> > >> >> replies!!
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > How does this affect 5.1.4, which
>> is
>> > >> also
>> > >> >> >> listed
>> > >> >> >> > as
>> > >> >> >> > > >>> a Fix
>> > >> >> >> > > >>> > > > > Version
>> > >> >> >> > > >>> > > > > > > for
>> > >> >> >> > > >>> > > > > > > > > > > PHOENIX-7106?
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > Yes, it also needs to be ported to
>> 5.1.
>> > >> Once
>> > >> >> the
>> > >> >> >> > > >>> master PR
>> > >> >> >> > > >>> > is
>> > >> >> >> > > >>> > > > up
>> > >> >> >> > > >>> > > > > > for
>> > >> >> >> > > >>> > > > > > > > > final
>> > >> >> >> > > >>> > > > > > > > > > review, I would start working on the
>> > >> backport
>> > >> >> >> PR.
>> > >> >> >> > > >>> > > > > > > > > > We just need some more additional
>> > testing
>> > >> to
>> > >> >> >> ensure
>> > >> >> >> > > old
>> > >> >> >> > > >>> > > client
>> > >> >> >> > > >>> > > > > > (e.g.
>> > >> >> >> > > >>> > > > > > > > > 5.1.3)
>> > >> >> >> > > >>> > > > > > > > > > is compatible with the new server
>> with
>> > the
>> > >> >> >> changes.
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > Hence, yes it is now a blocker for
>> > >> upcoming
>> > >> >> >> 5.1.4
>> > >> >> >> > as
>> > >> >> >> > > >>> well
>> > >> >> >> > > >>> > > since
>> > >> >> >> > > >>> > > > > > 5.1.4
>> > >> >> >> > > >>> > > > > > > > RC
>> > >> >> >> > > >>> > > > > > > > > > preparation is still pending (while
>> Omid
>> > >> >> >> release is
>> > >> >> >> > > in
>> > >> >> >> > > >>> > > > progress).
>> > >> >> >> > > >>> > > > > > > > > > Otherwise if 5.1.4 was ready for
>> > release,
>> > >> I
>> > >> >> >> would
>> > >> >> >> > > have
>> > >> >> >> > > >>> > > proposed
>> > >> >> >> > > >>> > > > > > > > immediate
>> > >> >> >> > > >>> > > > > > > > > > 5.1.5 release to include the changes
>> > >> proposed
>> > >> >> >> with
>> > >> >> >> > > >>> > > > PHOENIX-7106.
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > On Wed, Jan 3, 2024 at 3:08 PM
>> Geoffrey
>> > >> >> Jacoby <
>> > >> >> >> > > >>> > > > > gjac...@apache.org
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > > > > > wrote:
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > I agree that data integrity issues
>> > are a
>> > >> >> >> higher
>> > >> >> >> > > >>> priority
>> > >> >> >> > > >>> > > than
>> > >> >> >> > > >>> > > > > > > feature
>> > >> >> >> > > >>> > > > > > > > > > > development, so I also support the
>> > >> >> decision.
>> > >> >> >> The
>> > >> >> >> > > fact
>> > >> >> >> > > >>> > that
>> > >> >> >> > > >>> > > > > > several
>> > >> >> >> > > >>> > > > > > > of
>> > >> >> >> > > >>> > > > > > > > > the
>> > >> >> >> > > >>> > > > > > > > > > > major remaining 5.2 features are
>> > >> currently
>> > >> >> >> being
>> > >> >> >> > > >>> > developed
>> > >> >> >> > > >>> > > in
>> > >> >> >> > > >>> > > > > > > > > > long-running
>> > >> >> >> > > >>> > > > > > > > > > > feature branches also helps, as
>> work
>> > can
>> > >> >> >> continue
>> > >> >> >> > > >>> there
>> > >> >> >> > > >>> > at
>> > >> >> >> > > >>> > > > the
>> > >> >> >> > > >>> > > > > > cost
>> > >> >> >> > > >>> > > > > > > > of
>> > >> >> >> > > >>> > > > > > > > > a
>> > >> >> >> > > >>> > > > > > > > > > > rebase later.
>> > >> >> >> > > >>> > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > How does this affect 5.1.4, which
>> is
>> > >> also
>> > >> >> >> listed
>> > >> >> >> > as
>> > >> >> >> > > >>> a Fix
>> > >> >> >> > > >>> > > > > Version
>> > >> >> >> > > >>> > > > > > > for
>> > >> >> >> > > >>> > > > > > > > > > > PHOENIX-7106? From the bug
>> description
>> > >> it
>> > >> >> also
>> > >> >> >> > > sounds
>> > >> >> >> > > >>> > like
>> > >> >> >> > > >>> > > > > 5.1.3
>> > >> >> >> > > >>> > > > > > > and
>> > >> >> >> > > >>> > > > > > > > > the
>> > >> >> >> > > >>> > > > > > > > > > > forthcoming .4 are affected, since
>> we
>> > >> have
>> > >> >> >> > > >>> server-side
>> > >> >> >> > > >>> > > paging
>> > >> >> >> > > >>> > > > > in
>> > >> >> >> > > >>> > > > > > > 5.1.
>> > >> >> >> > > >>> > > > > > > > > > (Feel
>> > >> >> >> > > >>> > > > > > > > > > > free to move that to a separate
>> thread
>> > >> if
>> > >> >> you
>> > >> >> >> > feel
>> > >> >> >> > > it
>> > >> >> >> > > >>> > > should
>> > >> >> >> > > >>> > > > > be a
>> > >> >> >> > > >>> > > > > > > > > > separate
>> > >> >> >> > > >>> > > > > > > > > > > discussion.) Should this be a
>> blocker
>> > >> for
>> > >> >> >> > releasing
>> > >> >> >> > > >>> > 5.1.4?
>> > >> >> >> > > >>> > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > Geoffrey
>> > >> >> >> > > >>> > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > On Wed, Jan 3, 2024 at 5:06 PM
>> Kadir
>> > >> >> Ozdemir <
>> > >> >> >> > > >>> > > > > > > > > > > ka...@gsuite.cloud.apache.org>
>> > >> >> >> > > >>> > > > > > > > > > > wrote:
>> > >> >> >> > > >>> > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > Being a database, Phoenix has to
>> > make
>> > >> >> sure
>> > >> >> >> that
>> > >> >> >> > > the
>> > >> >> >> > > >>> > data
>> > >> >> >> > > >>> > > > > stays
>> > >> >> >> > > >>> > > > > > on
>> > >> >> >> > > >>> > > > > > > > > disk
>> > >> >> >> > > >>> > > > > > > > > > > > intact and its queries return
>> > correct
>> > >> >> data.
>> > >> >> >> In
>> > >> >> >> > > this
>> > >> >> >> > > >>> > case,
>> > >> >> >> > > >>> > > > > > Phoenix
>> > >> >> >> > > >>> > > > > > > > > fails
>> > >> >> >> > > >>> > > > > > > > > > > to
>> > >> >> >> > > >>> > > > > > > > > > > > return correct data for some
>> queries
>> > >> if
>> > >> >> >> their
>> > >> >> >> > > scans
>> > >> >> >> > > >>> > > > > experience
>> > >> >> >> > > >>> > > > > > > > region
>> > >> >> >> > > >>> > > > > > > > > > > > movement. Now that we know these
>> > data
>> > >> >> >> integrity
>> > >> >> >> > > >>> issues
>> > >> >> >> > > >>> > > and
>> > >> >> >> > > >>> > > > > how
>> > >> >> >> > > >>> > > > > > to
>> > >> >> >> > > >>> > > > > > > > > > > reproduce
>> > >> >> >> > > >>> > > > > > > > > > > > them, fixing them should be our
>> > first
>> > >> >> >> priority.
>> > >> >> >> > > >>> So, I
>> > >> >> >> > > >>> > > fully
>> > >> >> >> > > >>> > > > > > > support
>> > >> >> >> > > >>> > > > > > > > > > this
>> > >> >> >> > > >>> > > > > > > > > > > > proposal.
>> > >> >> >> > > >>> > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > On Wed, Jan 3, 2024 at 10:58 PM
>> > Viraj
>> > >> >> >> Jasani <
>> > >> >> >> > > >>> > > > > > vjas...@apache.org
>> > >> >> >> > > >>> > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > wrote:
>> > >> >> >> > > >>> > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > > Hello,
>> > >> >> >> > > >>> > > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > > I would like to bring
>> PHOENIX-7106
>> > >> >> >> > > >>> > > > > > > > > > > > > <
>> > >> >> >> > > >>> > > > > > > >
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > >
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>>
>> > >> >> >> > >
>> > >> >> >> >
>> > >> >> >>
>> > >> >>
>> > >>
>> >
>> https://urldefense.com/v3/__https://issues.apache.org/jira/browse/PHOENIX-7106__;!!DCbAVzZNrAf4!FZG5sv55IC1NqItQLY7GKWgUG2Do0gSta01gOiSdd36Dx3XHGtQx4M3c9visVXIt9DctPQzS-orob9vhzrCfVA$
>> > >> >> >> > > >>> > > > > > > > > to everyone's
>> > >> >> >> > > >>> > > > > > > > > > > > > attention here and brief about
>> the
>> > >> data
>> > >> >> >> > > integrity
>> > >> >> >> > > >>> > > issues
>> > >> >> >> > > >>> > > > > that
>> > >> >> >> > > >>> > > > > > > we
>> > >> >> >> > > >>> > > > > > > > > have
>> > >> >> >> > > >>> > > > > > > > > > > in
>> > >> >> >> > > >>> > > > > > > > > > > > > various coprocessors. Majority
>> of
>> > >> the
>> > >> >> >> issues
>> > >> >> >> > > are
>> > >> >> >> > > >>> > > related
>> > >> >> >> > > >>> > > > to
>> > >> >> >> > > >>> > > > > > the
>> > >> >> >> > > >>> > > > > > > > > fact
>> > >> >> >> > > >>> > > > > > > > > > > that
>> > >> >> >> > > >>> > > > > > > > > > > > > we do not return valid rowkey
>> for
>> > >> >> certain
>> > >> >> >> > > >>> queries. If
>> > >> >> >> > > >>> > > any
>> > >> >> >> > > >>> > > > > > > region
>> > >> >> >> > > >>> > > > > > > > > > moves
>> > >> >> >> > > >>> > > > > > > > > > > in
>> > >> >> >> > > >>> > > > > > > > > > > > > the middle of the scan, the
>> HBase
>> > >> >> client
>> > >> >> >> > relies
>> > >> >> >> > > >>> on
>> > >> >> >> > > >>> > the
>> > >> >> >> > > >>> > > > last
>> > >> >> >> > > >>> > > > > > > > > returned
>> > >> >> >> > > >>> > > > > > > > > > > > rowkey
>> > >> >> >> > > >>> > > > > > > > > > > > > and accordingly changes the
>> scan
>> > >> >> >> boundaries
>> > >> >> >> > > >>> while the
>> > >> >> >> > > >>> > > > > scanner
>> > >> >> >> > > >>> > > > > > > is
>> > >> >> >> > > >>> > > > > > > > > > > getting
>> > >> >> >> > > >>> > > > > > > > > > > > > reset to continue the scan
>> > >> operation.
>> > >> >> If
>> > >> >> >> the
>> > >> >> >> > > >>> region
>> > >> >> >> > > >>> > > does
>> > >> >> >> > > >>> > > > > not
>> > >> >> >> > > >>> > > > > > > > move,
>> > >> >> >> > > >>> > > > > > > > > > scan
>> > >> >> >> > > >>> > > > > > > > > > > > is
>> > >> >> >> > > >>> > > > > > > > > > > > > not expected to return invalid
>> > data,
>> > >> >> >> however
>> > >> >> >> > if
>> > >> >> >> > > >>> the
>> > >> >> >> > > >>> > > > region
>> > >> >> >> > > >>> > > > > > > moves
>> > >> >> >> > > >>> > > > > > > > in
>> > >> >> >> > > >>> > > > > > > > > > the
>> > >> >> >> > > >>> > > > > > > > > > > > > middle of ongoing scan
>> operation,
>> > >> scan
>> > >> >> >> would
>> > >> >> >> > > >>> return
>> > >> >> >> > > >>> > > > > > > > > invalid/incorrect
>> > >> >> >> > > >>> > > > > > > > > > > > data
>> > >> >> >> > > >>> > > > > > > > > > > > > causing data integrity issues.
>> > >> >> >> > > >>> > > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > > Given the critical nature of
>> these
>> > >> >> >> issues, I
>> > >> >> >> > > >>> would
>> > >> >> >> > > >>> > like
>> > >> >> >> > > >>> > > > to
>> > >> >> >> > > >>> > > > > > > > propose
>> > >> >> >> > > >>> > > > > > > > > > that
>> > >> >> >> > > >>> > > > > > > > > > > > we
>> > >> >> >> > > >>> > > > > > > > > > > > > treat this as a high priority
>> for
>> > >> the
>> > >> >> >> > upcoming
>> > >> >> >> > > >>> 5.2.0
>> > >> >> >> > > >>> > > > > release,
>> > >> >> >> > > >>> > > > > > > and
>> > >> >> >> > > >>> > > > > > > > > not
>> > >> >> >> > > >>> > > > > > > > > > > > > include any other feature or
>> big
>> > >> >> change to
>> > >> >> >> > > master
>> > >> >> >> > > >>> > > branch
>> > >> >> >> > > >>> > > > > > until
>> > >> >> >> > > >>> > > > > > > we
>> > >> >> >> > > >>> > > > > > > > > > merge
>> > >> >> >> > > >>> > > > > > > > > > > > > this. The PR is still not
>> ready as
>> > >> >> >> additional
>> > >> >> >> > > >>> changes
>> > >> >> >> > > >>> > > are
>> > >> >> >> > > >>> > > > > > still
>> > >> >> >> > > >>> > > > > > > > in
>> > >> >> >> > > >>> > > > > > > > > my
>> > >> >> >> > > >>> > > > > > > > > > > > > local, requiring rebase with
>> the
>> > >> >> current
>> > >> >> >> > > master.
>> > >> >> >> > > >>> > > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > > I would get back to this
>> discuss
>> > >> >> thread as
>> > >> >> >> > soon
>> > >> >> >> > > >>> as
>> > >> >> >> > > >>> > the
>> > >> >> >> > > >>> > > PR
>> > >> >> >> > > >>> > > > > and
>> > >> >> >> > > >>> > > > > > > the
>> > >> >> >> > > >>> > > > > > > > > doc
>> > >> >> >> > > >>> > > > > > > > > > > are
>> > >> >> >> > > >>> > > > > > > > > > > > > updated with the latest
>> findings
>> > so
>> > >> >> far.
>> > >> >> >> The
>> > >> >> >> > > >>> changes
>> > >> >> >> > > >>> > > > > include
>> > >> >> >> > > >>> > > > > > > many
>> > >> >> >> > > >>> > > > > > > > > of
>> > >> >> >> > > >>> > > > > > > > > > > our
>> > >> >> >> > > >>> > > > > > > > > > > > > coproc scanner implementations
>> and
>> > >> >> hence
>> > >> >> >> it
>> > >> >> >> > > would
>> > >> >> >> > > >>> > > require
>> > >> >> >> > > >>> > > > > > > > > significant
>> > >> >> >> > > >>> > > > > > > > > > > > > review as well.
>> > >> >> >> > > >>> > > > > > > > > > > > > It would be great if we can
>> hold
>> > on
>> > >> to
>> > >> >> >> > merging
>> > >> >> >> > > >>> any
>> > >> >> >> > > >>> > > > feature
>> > >> >> >> > > >>> > > > > or
>> > >> >> >> > > >>> > > > > > > big
>> > >> >> >> > > >>> > > > > > > > > > > change
>> > >> >> >> > > >>> > > > > > > > > > > > to
>> > >> >> >> > > >>> > > > > > > > > > > > > master branch until this gets
>> in
>> > so
>> > >> as
>> > >> >> to
>> > >> >> >> not
>> > >> >> >> > > >>> > > complicate
>> > >> >> >> > > >>> > > > > > > > > > > > merging/rebasing.
>> > >> >> >> > > >>> > > > > > > > > > > > > Once this is merged to the
>> master
>> > >> >> branch,
>> > >> >> >> I
>> > >> >> >> > > would
>> > >> >> >> > > >>> > like
>> > >> >> >> > > >>> > > to
>> > >> >> >> > > >>> > > > > cut
>> > >> >> >> > > >>> > > > > > > 5.2
>> > >> >> >> > > >>> > > > > > > > > > > branch
>> > >> >> >> > > >>> > > > > > > > > > > > > from master and we can move
>> > forward
>> > >> >> with
>> > >> >> >> > 5.2.0
>> > >> >> >> > > >>> > release.
>> > >> >> >> > > >>> > > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > > > Please let me know if this
>> looks
>> > >> good
>> > >> >> or
>> > >> >> >> if
>> > >> >> >> > you
>> > >> >> >> > > >>> have
>> > >> >> >> > > >>> > > any
>> > >> >> >> > > >>> > > > > > other
>> > >> >> >> > > >>> > > > > > > > high
>> > >> >> >> > > >>> > > > > > > > > > > > > priority work for 5.2.0.
>> > >> >> >> > > >>> > > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > > >
>> > >> >> >> > > >>> > > > > > > > >
>> > >> >> >> > > >>> > > > > > > >
>> > >> >> >> > > >>> > > > > > >
>> > >> >> >> > > >>> > > > > >
>> > >> >> >> > > >>> > > > >
>> > >> >> >> > > >>> > > >
>> > >> >> >> > > >>> > >
>> > >> >> >> > > >>> >
>> > >> >> >> > > >>>
>> > >> >> >> > > >>
>> > >> >> >> > > >>
>> > >> >> >> > > >> --
>> > >> >> >> > > >> *István Tóth* | Sr. Staff Software Engineer
>> > >> >> >> > > >> *Email*: st...@cloudera.com
>> > >> >> >> > > >> 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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