If Tom's proposal is off the table -- which seems to be what Alex said in
the discussion on 208 -- then what we're left with is just merge it.

That is what quite a few people in this thread wanted to do.

It's *also* what people in the *last* thread wanted to do.

I will continue to ignore the nasty personal comments.


On Tue, Mar 29, 2016 at 11:27 PM, Alexander Bezzubov <b...@apache.org> wrote:

> It's even $128K question, as indeed, there is no reason not to!
> That was something I was looking into until all this got started again.
>
> I hope it's just because of original author's inexperience with openesource
> and the assumption that other people _must_ help him improving the quality
> of the contributions made, rather than knowing that willingness of other
> people to help comes from the personal experience of
> communication\collaboration\teamwork with the person.
>
> I do not see much reasons to spend time on this thread, instead of i.e
> improving a project CI infrastructure.
> Nothing have changed since the community agreed on the way to proceed,
> except new blaming and finger-pointing, which is unproductive.
>
> Thank you Eran, Jeff, Cos and Tom for your vocal opinions.
>
> --
> Alex
>
> On Wed, Mar 30, 2016 at 4:30 AM, Konstantin Boudnik <c...@apache.org>
> wrote:
>
> > That's a $64K question. Why not indeed?
> >
> > Cos
> >
> > On Tue, Mar 29, 2016 at 08:11PM, Tom Barber wrote:
> > > I heard about this discussion a while ago and thought it stuff of
> > legends,
> > > turned out I was wrong.
> > >
> > > Personally as cool/useful a patch may be I wouldn't merge something
> that
> > > breaks CI. That said...
> > >
> > > "(If Moon believes there's a real CI issue here, I have no doubt that
> it
> > > will be solved an hour after merge --- as Moon undertook to do back in
> > > December.)"
> > >
> > > If that is the case, why not make sure the PR is up to date, get it
> > merged
> > > into a feature branch, create a 2nd CI job, validate the Jenkins build
> > in a
> > > cloned project building off the new branch, ascertain how broken it is
> > and
> > > get it fixed then finally just get the whole lot slapped into master?
> > >
> > > Tom
> > >
> > > On Tue, Mar 29, 2016 at 8:00 PM, Amos B. Elberg <amos.elb...@gmail.com
> >
> > > wrote:
> > >
> > > > Moon --- People disagree with you. Rather than keep going
> > back-and-forth
> > > > about it, I started this discussion to clear up any question about
> the
> > > > sense of the community.
> > > >
> > > > This is the apache way. You have said many times, "community before
> > code."
> > > >
> > > > How many more people do you need to hear from?  How many more
> > discussion
> > > > threads saying the same thing do you need to see?
> > > >
> > > > > On Mar 29, 2016, at 2:50 PM, moon soo Lee <m...@apache.org> wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > Answers inline.
> > > > >
> > > > >> On Tue, Mar 29, 2016 at 11:08 AM Amos Elberg <
> amos.elb...@gmail.com
> > >
> > > > wrote:
> > > > >>
> > > > >> Kos & Moon --
> > > > >>
> > > > >>   The gist of this thread, is that people disagree with what Moon
> > has
> > > > said
> > > > >> regarding code quality, whether 208 breaks CI (and if so, why),
> and
> > > > whether
> > > > >> its appropriate to merge 702, as Moon has proposed.
> > > > >>
> > > > >>
> > > > > Like Kos mentioned, please do not impose your personal desires on
> the
> > > > > others. You don't need to try define people agree on something or
> > > > disagree
> > > > > on something.
> > > > >
> > > > > People have different opinions. Just let people express their
> opinion
> > > > > themselves.
> > > > >
> > > > > Can you do that?
> > > > >
> > > > >
> > > > >
> > > > >>   Since this saga started, we've had 5 threads to get the sense of
> > the
> > > > >> community on what to do.  All of those came out the same way.
> More
> > > > than a
> > > > >> dozen people have asked for the same thing.
> > > > >>
> > > > >   Isn't it time to just get this done so we can all move on?
> > > > >>
> > > > >> (If Moon believes there's a real CI issue here, I have no doubt
> > that it
> > > > >> will be solved an hour after merge --- as Moon undertook to do
> back
> > in
> > > > >> December.)
> > > > >>
> > > > >>
> > > > >>
> > > > > I have no good technical reason to merge single PR that does not
> > pass CI
> > > > > and not merge all other PR that also does not pass CI.
> > > > >
> > > > > As i explained in previous email, it's more like problem of policy.
> > If
> > > > you
> > > > > have good technical reason to change the policy, please start a
> > > > discussion.
> > > > >
> > > > >
> > > > > Thanks,
> > > > > moon
> > > > >
> > > > >
> > > > >
> > > > >>
> > > > >>
> > > > >>
> > > > >>> On Tue, Mar 29, 2016 at 1:53 PM, moon soo Lee <m...@apache.org>
> > wrote:
> > > > >>>
> > > > >>> Hi,
> > > > >>>
> > > > >>> Regarding CI test about 208,
> > > > >>>
> > > > >>> Zeppelin have several profiles for CI test. Each profile tests
> > Zeppelin
> > > > >>> with different Spark Version. Also it different profiles
> different
> > > > level
> > > > >> of
> > > > >>> tests (integration test using selenium).
> > > > >>>
> > > > >>> Current status of 208 in CI test is, passing single profile,
> fails
> > all
> > > > >>> other profiles. Which is exactly the same status that i have
> > helped 208
> > > > >> few
> > > > >>> months ago by the way.  see.
> > > > >>>
> > > > >>>
> > > > >>
> > > >
> >
> https://github.com/apache/incubator-zeppelin/pull/208#issuecomment-173423103
> > > > >>>
> > > > >>> 208 has some code interacts with Spark. And 7 CI profile out of 8
> > are
> > > > for
> > > > >>> test code against various version of Spark. While Zeppelin used
> to
> > > > >> supports
> > > > >>> multiple version of Spark, from range of 1.1 ~ 1.6.
> > > > >>>
> > > > >>> SparkInterpreter (scala)
> > > > >>> PySparkInterpreter (python)
> > > > >>> SqlInterpreter (spark sql)
> > > > >>>
> > > > >>> supports all versions of spark in the profile (pyspark supports
> > from
> > > > >> 1.2).
> > > > >>> I think it's very strait forward to expect the same quality for R
> > > > >>> interpreter.
> > > > >>>
> > > > >>> I can suggest two possible way,
> > > > >>>
> > > > >>> - Keep working on make all profile of CI green. While 208 already
> > > > passes
> > > > >>> one profile and test in all other profiles are the same but only
> > > > against
> > > > >>> different spark version, it won't be that difficult to make it
> > pass all
> > > > >>> other profile.
> > > > >>> - Or activate 208 only for spark 1.6 and mark/document which is
> > minimum
> > > > >>> version requirement of spark. Like Pyspark interpreter did
> > (requires
> > > > >> spark
> > > > >>> 1.2 or newer).
> > > > >>>
> > > > >>>
> > > > >>> Regarding code merge policy,
> > > > >>>
> > > > >>> Zeppelin community had been make sure CI pass before merge in to
> > > > master,
> > > > >>> since it's beginning, until now. That's i believe another
> consensus
> > > > that
> > > > >> we
> > > > >>> believed we have in the community.
> > > > >>>
> > > > >>> That's only reason keep spoken why 208 is not merged for last 4
> > months.
> > > > >>> And only reason for all other PR forced to make CI green before
> it
> > > > get's
> > > > >>> merged.
> > > > >>>
> > > > >>> Personally i think not breaking master branch is valuable while
> > that
> > > > >> makes
> > > > >>> any contributor start contribution safely at any point from
> master
> > > > >> branch.
> > > > >>> And users who want to try latest community work can safely test
> > > > Zeppelin
> > > > >>> from master branch.
> > > > >>>
> > > > >>> But if anyone think Zeppelin community need to discuss about it,
> > please
> > > > >>> start a discussion. I'm happy to see discussion happens.
> > > > >>>
> > > > >>> Thanks,
> > > > >>> moon
> > > > >>>
> > > > >>>
> > > > >>> On Tue, Mar 29, 2016 at 9:31 AM Konstantin Boudnik <
> c...@apache.org
> > >
> > > > >> wrote:
> > > > >>>
> > > > >>>> hmm.... that's getting weird again. So, far I failed to see:
> > > > >>>> - CI issues being addressed. If the consensus of the community
> to
> > > > >> merge
> > > > >>> in
> > > > >>>>   something, break the CI and collect the technical debts -
> that's
> > > > >> fine
> > > > >>>> and
> > > > >>>>   that's your choice (I am not here to pass the judgement on the
> > > > >> quality
> > > > >>>> of
> > > > >>>>   the code)
> > > > >>>> - a consensus to keep anyone away from _anything_ in the project
> > > > >>> matters.
> > > > >>>>   Please do not impose your personal desires on the others.
> While
> > > > >> you're
> > > > >>>>   entitled to express them (free speech and all that), no one is
> > > > >>> entitled
> > > > >>>> to
> > > > >>>>   listen, less oblige by it (based on the same principles of
> > > > >> individual
> > > > >>>>   rights).
> > > > >>>>
> > > > >>>> So, please keep it civil and find a way to improve the code, if
> > > > needed,
> > > > >>>> and get
> > > > >>>> it in once the committers are satisfied with its quality.
> > > > >>>>
> > > > >>>> Cos
> > > > >>>>
> > > > >>>>> On Tue, Mar 29, 2016 at 11:51AM, Amos B. Elberg wrote:
> > > > >>>>> Moon - no. That is the opposite of what people are saying.
> > > > >>>>>
> > > > >>>>> I started this thread because I feel that you are disregarding
> > the
> > > > >>>> consensus
> > > > >>>>> of the community.
> > > > >>>>>
> > > > >>>>> The thread asks for two things - 208 to be merged without
> further
> > > > >>> delay,
> > > > >>>> and
> > > > >>>>> for you to stay out of the issue of R interpreters entirely.
> > 702 can
> > > > >>> be
> > > > >>>>> addressed after 208 is merged.
> > > > >>>>>
> > > > >>>>> How many more people do you need to hear from?
> > > > >>>>>
> > > > >>>>>> On Mar 29, 2016, at 5:40 AM, moon soo Lee <m...@apache.org>
> > wrote:
> > > > >>>>>>
> > > > >>>>>> Hi folks,
> > > > >>>>>>
> > > > >>>>>> I didn't see anyone disagreement merge 208 and/or 702 in this
> > > > >> thread
> > > > >>>> and
> > > > >>>>>> previous thread [1], as they're ready. while they both have
> > > > >> technical
> > > > >>>>>> merits as Jeff summarized really well.
> > > > >>>>>>
> > > > >>>>>> Now i can see 208 finally made some progress on CI [2]. Hope
> > > > >> continue
> > > > >>>> the
> > > > >>>>>> work and make CI green. Also I can see 702 is trying to
> > finishing
> > > > >> up
> > > > >>>> and
> > > > >>>>>> waiting for CI become green.
> > > > >>>>>>
> > > > >>>>>> I don't want to merge something that breaks CI. If then, it
> > becomes
> > > > >>>> make
> > > > >>>>>> very difficult to verify all other contributions. Other
> > > > >> contributions
> > > > >>>> are
> > > > >>>>>> as important as these two. Hope community can understand that.
> > > > >>>>>>
> > > > >>>>>> Considering recent progress of both contributions, i expect
> > they'll
> > > > >>> be
> > > > >>>>>> ready anytime soon. And then we can finally merge them.
> > > > >>>>>>
> > > > >>>>>> About merging 702, 208 contributions, does this sounds clear?
> > > > >>>>>>
> > > > >>>>>> If they're both merged, It's possible to improve both
> > RInterpreter
> > > > >> by
> > > > >>>>>> taking each others advantage. Therefore, no reason to worry at
> > this
> > > > >>>> point
> > > > >>>>>> about which one is better, which one has advantages, which one
> > will
> > > > >>>> merge
> > > > >>>>>> before the other, etc. Both have pros and cons and both will
> > help
> > > > >>>> Zeppelin
> > > > >>>>>> thankfully.
> > > > >>>>>>
> > > > >>>>>> Thanks,
> > > > >>>>>> moon
> > > > >>>>>>
> > > > >>>>>> [1]
> > > > >>>>>>
> > > > >>>>
> > > > >>>
> > > > >>
> > > >
> >
> http://apache-zeppelin-incubating-dev-mailing-list.75694.x6.nabble.com/R-interpreter-in-Zeppelin-further-steps-tp6967.html
> > > > >>>>>> [2]
> > > > >>>>>>
> > > > >>>>
> > > > >>>
> > > > >>
> > > >
> >
> https://github.com/apache/incubator-zeppelin/pull/208#issuecomment-202682652
> > > > >>>>>>
> > > > >>>>>>
> > > > >>>>>>> On Tue, Mar 29, 2016 at 1:45 AM enzo <
> > > > >>> e...@smartinsightsfromdata.com>
> > > > >>>> wrote:
> > > > >>>>>>>
> > > > >>>>>>> I am looking forward to see 208 merged, *soon* please.  From
> my
> > > > >>> tests
> > > > >>>> it
> > > > >>>>>>> seems that this should be the priority.
> > > > >>>>>>>
> > > > >>>>>>> I think 702 has merits (but I’ve used it less) and deserves
> to
> > be
> > > > >>>> merged
> > > > >>>>>>> too once ready.
> > > > >>>>>>>
> > > > >>>>>>> Ultimately after a period of  "real road” testing we will be
> > able
> > > > >> to
> > > > >>>>>>> understand what we really need.
> > > > >>>>>>>
> > > > >>>>>>> E.g. from past discussions I am not convinced that either PR
> > > > >> would,
> > > > >>>>>>> as-it-is,  support fully the needs of a multi-user Zeppelin
> > Server
> > > > >>>> approach
> > > > >>>>>>> (something similar to RStudio Server Professional to get an
> > idea).
> > > > >>> A
> > > > >>>>>>> period of use and gradual evolution (and possibly merge?)
> will
> > be
> > > > >>>> required.
> > > > >>>>>>>
> > > > >>>>>>> The sooner we start the better.
> > > > >>>>>>>
> > > > >>>>>>>
> > > > >>>>>>>
> > > > >>>>>>> Enzo
> > > > >>>>>>> e...@smartinsightsfromdata.com
> > > > >>>>>>>
> > > > >>>>>>>
> > > > >>>>>>>
> > > > >>>>>>>>> On 29 Mar 2016, at 07:08, Jeff Steinmetz <
> > > > >>>> jeffrey.steinm...@gmail.com>
> > > > >>>>>>>> wrote:
> > > > >>>>>>>>
> > > > >>>>>>>> I’m not affiliated to either author nor have any attachment
> > to an
> > > > >>>>>>> specific outcome - and happy to continue being as objective
> and
> > > > >>>> unbiased as
> > > > >>>>>>> possible.
> > > > >>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>> I would say they now have different philosophical approaches
> > (as
> > > > >> of
> > > > >>>> the
> > > > >>>>>>> March 23rd merge of datalayer#7 to 702).
> > > > >>>>>>>> I agree with Amos Elberg that 702 has changed directions a
> few
> > > > >>> times.
> > > > >>>>>>>>
> > > > >>>>>>>> Re: commits to 702 by Leemoonsoo on March 23 via
> datalayer#7:
> > > > >>>>>>>> I found the current state of the 702 PR to be succinct,  in
> > terms
> > > > >>> of
> > > > >>>>>>> it’s code base, via its use of the SparkR dependency - which
> is
> > > > >>>> already
> > > > >>>>>>> baked into spark distribution.
> > > > >>>>>>>>
> > > > >>>>>>>> The 702 code base appears to be easier to maintain using
> this
> > > > >>>> approach
> > > > >>>>>>> (less code, no rscala source, no BSD licensing additions
> > required,
> > > > >>>> easier
> > > > >>>>>>> to read).
> > > > >>>>>>>> 702 packages correctly with -Pbuild-distr as expected - i.e.
> > it
> > > > >>> works
> > > > >>>>>>> out of gate from the distribution directory.
> > > > >>>>>>>> The build profile -Psparkr worked as expected, and the
> > addition
> > > > >> of
> > > > >>>> this
> > > > >>>>>>> profile felt intuitive to me.
> > > > >>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>> Myself and a colleague that uses R extensively noticed (as
> > Amos
> > > > >>>> Elberg
> > > > >>>>>>> reminded us):
> > > > >>>>>>>> 208 handles passing arrays and other data types between
> scala
> > & R
> > > > >>>> more
> > > > >>>>>>> gracefully than 702.
> > > > >>>>>>>> 208 handles the output of intermediate R calls more
> gracefully
> > > > >> than
> > > > >>>> 702.
> > > > >>>>>>>>
> > > > >>>>>>>> Beyond that:
> > > > >>>>>>>> 208 Requires SPARK_HOME to be set or the interpreter hangs
> > with
> > > > >> no
> > > > >>>>>>> error.  It’s been mentioned by the 208 author that the
> > requirement
> > > > >>> to
> > > > >>>> set
> > > > >>>>>>> SPARK_HOME is a feature.  I think we could revisit this
> > assumption
> > > > >>>> now that
> > > > >>>>>>> I see how 702 handles this with defaults via a graceful
> > fallback.
> > > > >>>>>>>> 702 works fine with zero configuration, I.e for those that
> > want
> > > > >> to
> > > > >>>> test
> > > > >>>>>>> locally with no separate spark distribution installed
> > (SPARK_HOME
> > > > >>>> does not
> > > > >>>>>>> need to be set).
> > > > >>>>>>>> 702 having just an %r interpreter, and having it as part of
> > the
> > > > >>> spark
> > > > >>>>>>> interpreter (same subdirectory) feels like a cleaner approach
> > > > >> (this
> > > > >>> is
> > > > >>>>>>> arguably a philosophical difference again).
> > > > >>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>> It feels like an exhaustive list of
> > `.z.show.googleVis(Motion)`
> > > > >>> type
> > > > >>>>>>> calls in 208 could bloom into unnecessary code maintenance
> > > > >> overhead
> > > > >>>> and
> > > > >>>>>>> required additions every time a new chart library is
> > introduced,
> > > > >> vs.
> > > > >>>> a more
> > > > >>>>>>> generic show method.  Perhaps a follow on improvement post
> > merge
> > > > >>>> (applies
> > > > >>>>>>> to both PRs).
> > > > >>>>>>>> This same chart rendering works in 702 with `print(Motion,
> > > > >>>> tag='chart’)`
> > > > >>>>>>> which isn’t necessarily better or worse, again, a different
> > > > >>>> philosophical
> > > > >>>>>>> approach.
> > > > >>>>>>>>
> > > > >>>>>>>> They both have merit in different regards.  It’s doesn’t
> feel
> > > > >>>>>>> appropriate to make a broad statement that "no-one supported
> > 702”.
> > > > >>>>>>>> If I had a magic wand, it would be a hybrid of the two
> > > > >> approaches.
> > > > >>>>>>>>
> > > > >>>>>>>> I look forward to continuing the review of each PR
> > individually
> > > > >> or
> > > > >>>> both
> > > > >>>>>>> collaboratively.
> > > > >>>>>>>>
> > > > >>>>>>>> Regards,
> > > > >>>>>>>> Jeff
> > > > >>>>>>>>
> > > > >>>>>>>>
> > > > >>>>>>>>> On 3/28/16, 4:13 PM, "Sourav Mazumder" <
> > > > >>> sourav.mazumde...@gmail.com
> > > > >>>>>
> > > > >>>>>>>> wrote:
> > > > >>>>>>>>
> > > > >>>>>>>>> All said and done we had enough discussion on this point
> for
> > > > >> many
> > > > >>>> months
> > > > >>>>>>>>> now.  As far as I know, 208 is the PR which
> community/people
> > > > >> have
> > > > >>>> so far
> > > > >>>>>>>>> used mostly and successfully (at least me and whoever I
> > > > >> introduced
> > > > >>>> to
> > > > >>>>>>> 208
> > > > >>>>>>>>> for SparkR support). I thought it was going to be merged a
> > long
> > > > >>> time
> > > > >>>>>>> ago.
> > > > >>>>>>>>> May be what will make sense is to first integrate the 208.
> > > > >> After
> > > > >>>> that,
> > > > >>>>>>> a
> > > > >>>>>>>>> new PR can be created on that and if 702 has anything extra
> > then
> > > > >>>> that
> > > > >>>>>>>>> feature can be added.
> > > > >>>>>>>>>
> > > > >>>>>>>>> Regards,
> > > > >>>>>>>>> Sourav
> > > > >>>>>>>>>
> > > > >>>>>>>>>
> > > > >>>>>>>>> On Mon, Mar 28, 2016 at 12:37 AM, Eran Witkon <
> > > > >>> eranwit...@gmail.com
> > > > >>>>>
> > > > >>>>>>> wrote:
> > > > >>>>>>>>>
> > > > >>>>>>>>>> @Elberg, If I were you I would ask myself why isn't the
> > > > >> community
> > > > >>>>>>> taking
> > > > >>>>>>>>>> part in this debate?
> > > > >>>>>>>>>> Personally I prefer a team player as a contributor over
> the
> > > > >> best
> > > > >>>>>>> developer.
> > > > >>>>>>>>>> just my 2c
> > > > >>>>>>>>>> Eran
> > > > >>>>>>>>>>
> > > > >>>>>>>>>> On Mon, 28 Mar 2016 at 09:52 Amos B. Elberg <
> > > > >>> amos.elb...@gmail.com
> > > > >>>>>
> > > > >>>>>>> wrote:
> > > > >>>>>>>>>>
> > > > >>>>>>>>>>> Moon - I opened this discussion so it could take place
> with
> > > > >> the
> > > > >>>>>>> community
> > > > >>>>>>>>>>> as a whole, not just you.
> > > > >>>>>>>>>>>
> > > > >>>>>>>>>>> Suffice it to say, I disagree with every one of the
> > technical
> > > > >>>> claims
> > > > >>>>>>>>>>> you've just made, and I don't trust your intent.
> > > > >>>>>>>>>>>
> > > > >>>>>>>>>>> Let the community process happen.
> > > > >>>>>>>>>>>
> > > > >>>>>>>>>>>> On Mar 28, 2016, at 2:47 AM, moon soo Lee <
> > m...@apache.org>
> > > > >>>> wrote:
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> Hi,
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> Simply put,
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> - 702 and/or 208 will can merged as they're ready. [1]
> > > > >>>>>>>>>>>> - 208 will not be merged while it does not pass CI. If
> you
> > > > >>> think
> > > > >>>> code
> > > > >>>>>>>>>> in
> > > > >>>>>>>>>>>> 208 is not a problem but CI itself or other part of
> > Zeppelin
> > > > >> is
> > > > >>>>>>>>>> problem,
> > > > >>>>>>>>>>>> then that particular problem be fixed before merge 208.
> > > > >>>>>>>>>>>> - 702 has proper integration test [2]
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> I'm not sure why you're so hard at devaluating 702.
> > > > >>>>>>>>>>>> 702 is not something you need to beat and win. 702 is
> > > > >> something
> > > > >>>> you
> > > > >>>>>>>>>> need
> > > > >>>>>>>>>>> to
> > > > >>>>>>>>>>>> help / learn / collaborate.
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> Will you able to show your ability to collaborate with
> > other
> > > > >>>>>>> community
> > > > >>>>>>>>>>>> members?
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> Thanks,
> > > > >>>>>>>>>>>> moon
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>> [1]
> > > > >>>>>>>
> > > > >>>>
> > > > >>>
> > > > >>
> > > >
> >
> http://apache-zeppelin-incubating-dev-mailing-list.75694.x6.nabble.com/R-interpreter-in-Zeppelin-further-steps-tp6967.html
> > > > >>>>>>>>>>>> [2]
> > > > >>>>>>>
> > > > >>>>
> > > > >>>
> > > > >>
> > > >
> >
> https://github.com/apache/incubator-zeppelin/pull/702/files#diff-64a9440e811c5fba6ac1b61157fa6912R87
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>>
> > > > >>>>>>>>>>>>> On Sun, Mar 27, 2016 at 7:11 PM Amos Elberg <
> > > > >>>> amos.elb...@gmail.com>
> > > > >>>>>>>>>>> wrote:
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> I am saddened to have to start this thread *again*.
> > While I
> > > > >>>> thought
> > > > >>>>>>>>>> we
> > > > >>>>>>>>>>> had
> > > > >>>>>>>>>>>>> reached consensus on this, several times over,
> apparently
> > > > >> some
> > > > >>>>>>> people
> > > > >>>>>>>>>>>>> disagree.  I hope this will be the last time.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> With this thread, I am asking the community to reach
> > > > >> consensus
> > > > >>>> (1)
> > > > >>>>>>>>>> That
> > > > >>>>>>>>>>> 208
> > > > >>>>>>>>>>>>> should be merged this week, without further delay; and
> > (2)
> > > > >>> That
> > > > >>>> Moon
> > > > >>>>>>>>>> Lee
> > > > >>>>>>>>>>>>> Soo and Felix Cheung take no further part in the
> > discussions
> > > > >>> of
> > > > >>>> 208
> > > > >>>>>>>>>> and
> > > > >>>>>>>>>>>>> 702.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> This PR has been pending since August. It has been
> > stalled
> > > > >>> that
> > > > >>>>>>> entire
> > > > >>>>>>>>>>> time
> > > > >>>>>>>>>>>>> for no technical reason.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> We reached agreement to merge 208 in November, again in
> > > > >>>> December,
> > > > >>>>>>> and
> > > > >>>>>>>>>>> again
> > > > >>>>>>>>>>>>> in February -- when Moon agreed to stay out of the
> issue.
> > > > >> At
> > > > >>>> that
> > > > >>>>>>>>>>> point,
> > > > >>>>>>>>>>>>> Alex, I, and others, began working on it, and appeared
> > to be
> > > > >>>> making
> > > > >>>>>>>>>>>>> substantial progress.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> And then Alex just stopped.  Instead, he commenced the
> > > > >> thread
> > > > >>>> saying
> > > > >>>>>>>>>>> that a
> > > > >>>>>>>>>>>>> consensus had to be reached on 208 and 702.  Until that
> > > > >> point,
> > > > >>>>>>>>>>> essentially
> > > > >>>>>>>>>>>>> no-one had paid attention to 702.  In the discussion
> that
> > > > >>>> followed,
> > > > >>>>>>> we
> > > > >>>>>>>>>>>>> reached a consensus to merge 208 as soon as possible.
> > After
> > > > >>> the
> > > > >>>>>>>>>> thread
> > > > >>>>>>>>>>> had
> > > > >>>>>>>>>>>>> died, Alex asked if anyone had additional comments, and
> > Moon
> > > > >>>>>>> popped-in
> > > > >>>>>>>>>>> to
> > > > >>>>>>>>>>>>> insist that both PRs be merged.  Again, no-one
> supported
> > > > >> 702.
> > > > >>>> At
> > > > >>>>>>> all.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> Each time I said "we had a consensus before, does
> anyone
> > > > >> want
> > > > >>> to
> > > > >>>>>>>>>> change
> > > > >>>>>>>>>>>>> it," Alex or Moon steered the discussion away.  The
> final
> > > > >> vote
> > > > >>>> was
> > > > >>>>>>> not
> > > > >>>>>>>>>>> to
> > > > >>>>>>>>>>>>> merge 702 or merge "both" -- it was to treat them as
> > normal
> > > > >>> PRs.
> > > > >>>>>>>>>>> (Although
> > > > >>>>>>>>>>>>> one person did want both merged simultaneously.)  That
> > would
> > > > >>>> mean
> > > > >>>>>>>>>>>>> completing 208 on its merits and then evaluating 702.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> At the time, I objected to the discussion, because I
> > thought
> > > > >>> the
> > > > >>>>>>> whole
> > > > >>>>>>>>>>>>> thing was a contrived excuse for Moon to reject 208 by
> > > > >> pushing
> > > > >>>> 702.
> > > > >>>>>>>>>>> That
> > > > >>>>>>>>>>>>> is exactly what he is now seeking to do.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> *Status of 208 & 702*
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> PR 208 has been feature-complete and testable since
> early
> > > > >>>> September.
> > > > >>>>>>>>>> It
> > > > >>>>>>>>>>>>> has been adopted by more than 1000 users, who I have
> been
> > > > >>>> supporting
> > > > >>>>>>>>>> for
> > > > >>>>>>>>>>>>> more than six months.  The code has not undergone any
> > major
> > > > >>>> changes
> > > > >>>>>>>>>>> since
> > > > >>>>>>>>>>>>> September. There are no known bugs, and no outstanding
> > > > >> feature
> > > > >>>>>>>>>> requests
> > > > >>>>>>>>>>>>> that can be satisfied without major changes to the
> > Zeppelin
> > > > >>>>>>>>>>> architecture.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> 208 does *not* fail CI.  208 includes extensive unit
> > tests
> > > > >> of
> > > > >>>> the
> > > > >>>>>>>>>>> R-Spark
> > > > >>>>>>>>>>>>> integration because this turned out to get broken by
> > changes
> > > > >>> in
> > > > >>>>>>>>>> Zeppelin
> > > > >>>>>>>>>>>>> often.  Because CI is unable at present to provide a
> > > > >>> consistent
> > > > >>>>>>>>>>>>> environment, 208's *OWN UNIT TESTS*, which pass when
> run
> > on
> > > > >> an
> > > > >>>>>>>>>> ordinary
> > > > >>>>>>>>>>>>> machine, fail when run on CI.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> 208 does need a push for compatibility with a recently
> > > > >> adopted
> > > > >>>> PR --
> > > > >>>>>>>>>>> that
> > > > >>>>>>>>>>>>> is work I've essentially completed, but have not
> pushed.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> PR 702 is a re-design based on 208 -- not just
> > architecture,
> > > > >>> but
> > > > >>>>>>> right
> > > > >>>>>>>>>>> down
> > > > >>>>>>>>>>>>> to the choice of demo images, which were taken from
> 208's
> > > > >>>>>>>>>> documentation.
> > > > >>>>>>>>>>>>> In fact, 702 has had been re-engineered several times
> to
> > > > >> more
> > > > >>>>>>> closely
> > > > >>>>>>>>>>>>> conform to  208's architecture and feature set.  But
> 702
> > > > >> still
> > > > >>>>>>> remains
> > > > >>>>>>>>>>>>> feature-incomplete -- it cannot handle the range of
> > > > >>>> visualizations,
> > > > >>>>>>> R
> > > > >>>>>>>>>>>>> classes, etc., that 208 can. It is not stable code, and
> > > > >> shows
> > > > >>> no
> > > > >>>>>>> signs
> > > > >>>>>>>>>>> of
> > > > >>>>>>>>>>>>> stabilizing any time soon.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> No-one has adopted 702.  It has changed radically,
> > > > >>>> fundamentally, at
> > > > >>>>>>>>>>> least
> > > > >>>>>>>>>>>>> 4 times over the past two months since it was
> submitted.
> > > > >> One
> > > > >>> of
> > > > >>>>>>> those
> > > > >>>>>>>>>>>>> changes was only days ago.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> 702 also has no proper tests, which is the excuse for
> not
> > > > >>>> merging
> > > > >>>>>>> 208.
> > > > >>>>>>>>>>> 702
> > > > >>>>>>>>>>>>> has things labelled "tests," but they don't actually
> > attempt
> > > > >>> to
> > > > >>>>>>>>>> connect
> > > > >>>>>>>>>>> to
> > > > >>>>>>>>>>>>> R or Spark, which are the things that break and which
> > > > >>> therefore
> > > > >>>> need
> > > > >>>>>>>>>>>>> testing.
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> ***
> > > > >>>>>>>>>>>>>
> > > > >>>>>>>>>>>>> I would like credit for my own work and design. I
> think I
> > > > >> have
> > > > >>>> more
> > > > >>>>>>>>>> than
> > > > >>>>>>>>>>>>> earned that.
> > > > >>>>>>>
> > > > >>>>>>>
> > > > >>>>
> > > > >>>
> > > > >>
> > > >
> >
>

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