It's not that people from one org could abuse the project and push some
change, but that they have similar perspective (bubble effect) and some
important aspects of a large feature could escape their attention.

I suggest it to be not a rigid rule, but a recommendation for authors of
large proposals to try to attract reviewers from other orgs.

On Fri, 11 Jan 2019 at 02:51, Julian Hyde <jh...@apache.org> wrote:

> I agree with Gian.
>
> As an Apache committer, you only have one affiliation: you are working in
> the best interests of the project.
>
> Obviously, in the real world there are other pressures. But we do our best
> to compensate for them.
>
> Also, as a a community we try to design our process so as to avoid undue
> influences. For instance, when I advocate for logging cases early, I am
> trying to mitigate the effect of product managers and VPs of engineering,
> who like to have their say in meeting rooms rather than on public mailing
> lists. That’s just one example; if we see other influences at play, let’s
> evolve our process to try to level the playing field.
>
> Julian
>
>
> > On Jan 10, 2019, at 10:40 AM, Gian Merlino <g...@apache.org> wrote:
> >
> >>> What do community members think about also making a requirement that
> >>> "Design Review" PRs and proposals are reviewed by at least two people
> > with
> >>> different affiliation?
> >> This seems pretty reasonable to me. I haven't found anything in Apache
> >> voting procedure docs (https://www.apache.org/foundation/voting.html)
> that
> >> seems to explicitly forbid something like this yet at least.
> >
> > On the other hand, my understanding of the Apache Way would mean that
> this
> > kind of rule doesn't make sense. In particular from
> > https://www.apache.org/foundation/how-it-works.html: "We firmly believe
> in
> > hats. Your role at the ASF is one assigned to you personally, and is
> > bestowed on you by your peers. It is not tied to your job or current
> > employer or company." That sentiment seems incompatible with making
> > explicit rules about organizational diversity in voting. I have also
> heard
> > a few people say things like: people are supposed to represent
> themselves,
> > not their employers.
> >
> > Obviously, though, people's actions and opinions are influenced by their
> > employer. IMO, a better way to approach a potential problem there is that
> > if people from a particular organization end up behaving abusively, then
> > PMC members from other organizations (or in extreme situations the Apache
> > board itself) should tell them to knock it off. And then do more serious
> > things if the inappropriate behavior continues. This kind
> >
> > The other thing you brought up, promoting more shared ownership and
> > awareness, I am hopeful that separating proposals from PRs will help with
> > that. One reason is that it takes much less time to understand a well
> > written proposal than it takes to understand a PR. Code is very clear but
> > it is also very verbose and takes a while to read and understand. So in
> > theory changing how we operate, in this way, should promote more
> > understanding of more people across the code base.
> >
> > On Thu, Jan 10, 2019 at 1:34 AM Clint Wylie <clint.wy...@imply.io>
> wrote:
> >
> >>>
> >>> What do community members think about also making a requirement that
> >>> "Design Review" PRs and proposals are reviewed by at least two people
> >> with
> >>> different affiliation?
> >>
> >>
> >> This seems pretty reasonable to me. I haven't found anything in Apache
> >> voting procedure docs (https://www.apache.org/foundation/voting.html)
> that
> >> seems to explicitly forbid something like this yet at least.
> >>
> >> On Wed, Jan 9, 2019 at 8:52 PM Roman Leventov <leventov...@gmail.com>
> >> wrote:
> >>
> >>> What do community members think about also making a requirement that
> >>> "Design Review" PRs and proposals are reviewed by at least two people
> >> with
> >>> different affiliation? IMO it's a good idea, because it ensures that
> >>> different interests are taken into account. Also it pushes people to
> >> engage
> >>> with work done in other parts of Druid, improving shared code owning
> and
> >>> awareness.
> >>>
> >>> Or it's against the Apache Way because it's assumed that there are no
> >>> company boundaries within the community?
> >>>
> >>> On Thu, 10 Jan 2019 at 11:45, Roman Leventov <leventov...@gmail.com>
> >>> wrote:
> >>>
> >>>> I see two important reasons why it makes sense to file an issue and
> >>>> probably announce it in the mailing list, before writing a lot of
> code,
> >>>> despite not having a clear picture of what it will be and any
> >> performance
> >>>> data:
> >>>> 1) somebody could already work on this problem privately in parallel,
> >> it
> >>>> allows to avoid clash in people's works
> >>>> 2) some people could quickly think about the problem field and share
> >>>> high-level ideas that could wildly change the direction in which the
> >>> author
> >>>> (the person who is going to write code) will move in his work from
> >> early
> >>> on.
> >>>>
> >>>> Jihoon in
> >>>>
> >>>
> >>
> https://lists.apache.org/thread.html/e007fbf362c2a870a2d88d04431789289807e00fd91d087559a01d1f@%3Cdev.druid.apache.org%3E
> >>> and
> >>>> later Gian in this thread suggested that _every_ piece of work that
> >>> should
> >>>> be labelled as "Design Review" according to the current rules should
> be
> >>>> accompanied by an issue. I don't agree with this, there are some PRs
> as
> >>>> small as a few dozens of lines of code, that add some configuration
> >>>> parameter and therefore should be labelled "Design Review". I don't
> >>> thing a
> >>>> separate proposal issue is needed for them, and even for a little
> >> larger
> >>>> PRs too.
> >>>>
> >>>> For the same reason, I also don't see the point of renaming "Design
> >>>> Review" into "Proposal", as well as separating "Design Review" into
> >>>> "Proposal" and something like "API Review". I think a single "Design
> >>>> Review" tag handles it well.
> >>>>
> >>>> Gian mentioned an idea that PRs that follow a "Design Review" proposal
> >>>> issue shouldn't be "Design Review" themselves. I don't agree with
> >> this, I
> >>>> think that actual code and performance data are important inputs that
> >>>> should be re-evaluated at least by two people. I even think that it's
> >>> very
> >>>> desirable that at least two people read _each line of production code_
> >> in
> >>>> large PRs, although it's not what was done historically in Druid,
> >> because
> >>>> large bodies of newly added code, with whole new classes and
> subsystems
> >>>> added, are also coincidentally tested worse than already existing
> >> classes
> >>>> and subsystems, including in production. It seems to me that those
> huge
> >>>> code influxes is a major source of bugs, that could later take years
> to
> >>>> squeeze out from the codebase.
> >>>>
> >>>> On Wed, 9 Jan 2019 at 08:24, Clint Wylie <clint.wy...@imply.io>
> wrote:
> >>>>
> >>>>> Apologies for the delayed response.
> >>>>>
> >>>>> On Thu, Jan 3, 2019 at 12:48 PM Slim Bouguerra <
> >>> slim.bougue...@gmail.com>
> >>>>> wrote:
> >>>>>
> >>>>>> I am wondering here what is the case where code first is better?
> >>>>>>
> >>>>>
> >>>>> I don't think it's wrong to share ideas as early as possible, and
> >> after
> >>>>> this discussion I think I am in favor of it too. I just meant that I
> >>> don't
> >>>>> think it's always necessarily the most productive discussion until
> >> code
> >>>>> exists sometimes, with the types of thing I am thinking of are almost
> >>>>> entirely limited to cases where things might sound good to anyone on
> >>> paper
> >>>>> but in reality need a large amount of experiments conducted and
> >>>>> observations collected to determine that something is actually worth
> >>>>> doing,
> >>>>> which I imagine is mainly things like reworking internals for
> >>> performance
> >>>>> improvements.
> >>>>>
> >>>>> In the case of my combined proposal PR, I needed to prove that the
> >>> thing I
> >>>>> was working on was a good idea... and it wasn't directly. But I came
> >> up
> >>>>> with another idea during the course of experiment turned into
> >> something
> >>>>> compelling, so an initial proposal would have looked quite a lot
> >>> different
> >>>>> than what I ended up with. Once I had proven to myself that it was a
> >>> good
> >>>>> idea, then I was comfortable sharing with the wider community. I'm
> not
> >>>>> certain how this would play out in an always proposal first model,
> >> maybe
> >>>>> the first proposal exists, I personally reject it after updating with
> >>>>> experiment results show it's a bad idea, continue experimenting and
> >>> raise
> >>>>> a
> >>>>> new one after the experiments start looking promising?
> >>>>>
> >>>>>
> >>>>>> Let's not be naive this is very rare that a contributor will accept
> >>> that
> >>>>>> his work is to be thrown, usually devs takes coding as personal
> >>> creation
> >>>>>> and they get attached to it.
> >>>>>>
> >>>>>
> >>>>> I agree, just because a handful of the committers have this attitude,
> >> it
> >>>>> isn't fair to expect the wider community to also, that's why I am in
> >>> favor
> >>>>> of formalizing the process.
> >>>>>
> >>>>> Can you please explain what is overbearing ? what can be changed to
> >> make
> >>>>> it
> >>>>>> easy ?
> >>>>>> Most of the points are kind of the actual questions that you want to
> >>>>>> address before hand anyway isn't ?
> >>>>>>
> >>>>>
> >>>>> Sorry for the confusion, I said it's "not overbearing", I think it's
> >>> fine.
> >>>>>
> >>>>> What are the complaints ?
> >>>>>
> >>>>>
> >>>>> Is this and other previous threads not a complaint about opening a
> >> large
> >>>>> PR
> >>>>> without a proposal? :) I just mean that formalizing the process, even
> >>> if a
> >>>>> proposal has a reference PR opened with it near concurrently, could
> >>>>> prevent
> >>>>> these discussions from happening in the future because ground rules
> >> have
> >>>>> been set and we are all on the same page I guess.
> >>>>>
> >>>>> I think we should also probably consider renaming the "design review"
> >>>>> label
> >>>>> to "proposal" or something to make it more clear that a PR is
> >> associated
> >>>>> with a proposal. It might also be worth considering using github
> >>> projects
> >>>>> for particularly large things that involve multiple follow up PRs,
> >> but I
> >>>>> haven't used them in much depth to know if they add anything.
> >>>>>
> >>>>> It seems like we are all converging on agreement to do a github issue
> >>>>> proposal for larger changes (I would vote for announcing them on the
> >> dev
> >>>>> list too for more visibility), so that design review is separated
> from
> >>>>> code
> >>>>> review. I guess my main concern was not wanting to discourage
> >>>>> experimentation by walling it off behind mandatory discussions, but
> >> the
> >>>>> more I think about it,  it doesn't technically change much about this
> >>>>> process, it just requires a more formal proposal to accompany any
> >>>>> experiments that are shared as a PR.
> >>>>>
> >>>>>
> >>>>> On Tue, Jan 8, 2019 at 12:28 PM Gian Merlino <g...@apache.org>
> wrote:
> >>>>>
> >>>>>> I think for us, choosing to use GitHub issues as discussion threads
> >>> for
> >>>>>> potential 'major' contributions would be a good idea, especially if
> >> we
> >>>>>> encourage people to start them before PRs show up. Definitely agree
> >>> that
> >>>>>> all contributors should go through the same process -- I couldn't
> >> see
> >>> it
> >>>>>> working well any other way.
> >>>>>>
> >>>>>> On Mon, Jan 7, 2019 at 12:23 PM Julian Hyde <jh...@apache.org>
> >> wrote:
> >>>>>>
> >>>>>>> Statically, yes, GitHub PRs are the same as GitHub cases. But
> >>>>>> dynamically,
> >>>>>>> they are different, because you can only log a PR when you have
> >>>>> finished
> >>>>>>> work.
> >>>>>>>
> >>>>>>> A lot of other Apache projects use JIRA, so there is a clear
> >>>>> distinction
> >>>>>>> between cases and contributions. JIRA cases, especially when
> >> logged
> >>>>> early
> >>>>>>> in the lifecycle of a contribution, become long-running
> >> conversation
> >>>>>>> threads with a lot of community participation. If the Druid chose
> >> to
> >>>>> do
> >>>>>> so,
> >>>>>>> GitHub cases could be the same.
> >>>>>>>
> >>>>>>> Be careful that you do not treat “potential contributors” (by
> >> which
> >>> I
> >>>>>>> presume you mean non-committers) differently from committers and
> >> PMC
> >>>>>>> members. Anyone starting a major piece of work should follow the
> >>> same
> >>>>>>> process. (Experienced committers probably have a somewhat better
> >>> idea
> >>>>>> what
> >>>>>>> work will turn out to be “major”, so they get a little more
> >> leeway.)
> >>>>>>>
> >>>>>>> Julian
> >>>>>>>
> >>>>>>>
> >>>>>>>> On Jan 7, 2019, at 12:10 PM, Gian Merlino <g...@apache.org>
> >>> wrote:
> >>>>>>>>
> >>>>>>>> I don't think there's a need to raise issues for every change: a
> >>>>> small
> >>>>>>> bug
> >>>>>>>> fix or doc fix should just go straight to PR. (GitHub PRs show
> >> up
> >>> as
> >>>>>>> issues
> >>>>>>>> in the issue-search UI/API, so it's not like this means the
> >> patch
> >>>>> has
> >>>>>> no
> >>>>>>>> corresponding issue -- in a sense the PR _is_ the issue.)
> >>>>>>>>
> >>>>>>>> I do think it makes sense to encourage potential contributors to
> >>>>> write
> >>>>>> to
> >>>>>>>> the dev list or raise an issue if they aren't sure if something
> >>>>> would
> >>>>>>> need
> >>>>>>>> to go through a more heavy weight process.
> >>>>>>>>
> >>>>>>>> Fwiw we do have a set of 'design review' criteria already (we
> >> had
> >>> a
> >>>>>>>> discussion about this a couple years ago) at:
> >>>>>>>> http://druid.io/community/#getting-your-changes-accepted. So we
> >>>>>>> wouldn't be
> >>>>>>>> starting from zero on defining that. We set it up back when we
> >>> were
> >>>>>>> trying
> >>>>>>>> to _streamline_ our process -- we used to require two non-author
> >>> +1s
> >>>>>> for
> >>>>>>>> _every_ change, even minor ones. The introduction of design
> >> review
> >>>>>>> criteria
> >>>>>>>> was meant to classify which PRs need that level of review and
> >>> which
> >>>>>> ones
> >>>>>>>> are minor and can be merged with less review. I do think it
> >> helped
> >>>>> with
> >>>>>>>> getting minor PRs merged more quickly. The list of criteria is,
> >>>>>>>>
> >>>>>>>> - Major architectural changes or API changes
> >>>>>>>> - HTTP requests and responses (e. g. a new HTTP endpoint)
> >>>>>>>> - Interfaces for extensions
> >>>>>>>> - Server configuration (e. g. altering the behavior of a config
> >>>>>> property)
> >>>>>>>> - Emitted metrics
> >>>>>>>> - Other major changes, judged by the discretion of Druid
> >>> committers
> >>>>>>>>
> >>>>>>>> Some of it is subjective, but it has been in place for a while,
> >> so
> >>>>> it's
> >>>>>>> at
> >>>>>>>> least something we are relatively familiar with.
> >>>>>>>>
> >>>>>>>> On Mon, Jan 7, 2019 at 11:32 AM Julian Hyde <jh...@apache.org>
> >>>>> wrote:
> >>>>>>>>
> >>>>>>>>> Small contributions don’t need any design review, whereas large
> >>>>>>>>> contributions need significant review. I don’t think we should
> >>>>> require
> >>>>>>> an
> >>>>>>>>> additional step for those (many) small contributions. But who
> >>>>> decides
> >>>>>>>>> whether a contribution fits into the small or large category?
> >>>>>>>>>
> >>>>>>>>> I think the solution is for authors to log a case (or send an
> >>>>> email to
> >>>>>>>>> dev) before they start work on any contribution. Then
> >> committers
> >>>>> can
> >>>>>>>>> request a more heavy-weight process if they think it is needed.
> >>>>>>>>>
> >>>>>>>>> Julian
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>> On Jan 7, 2019, at 11:24 AM, Gian Merlino <g...@apache.org>
> >>>>> wrote:
> >>>>>>>>>>
> >>>>>>>>>> It sounds like splitting design from code review is a common
> >>> theme
> >>>>>> in a
> >>>>>>>>> few
> >>>>>>>>>> of the posts here. How does everyone feel about making a point
> >>> of
> >>>>>>>>>> encouraging design reviews to be done as issues, separate from
> >>> the
> >>>>>> pull
> >>>>>>>>>> request, with the expectations that (1) the design review
> >> issue
> >>>>>>>>>> ("proposal") should generally appear somewhat _before_ the
> >> pull
> >>>>>>> request;
> >>>>>>>>>> (2) pull requests should _not_ have design review happen on
> >>> them,
> >>>>>>> meaning
> >>>>>>>>>> there should no longer be PRs with design review tags, and we
> >>>>> should
> >>>>>>> move
> >>>>>>>>>> the design review approval process to the issue rather than
> >> the
> >>>>> PR.
> >>>>>>>>>>
> >>>>>>>>>> For (1), even if we encourage design review discussions to
> >> start
> >>>>>>> before a
> >>>>>>>>>> pull request appears, I don't see an issue with them running
> >>>>>>> concurrently
> >>>>>>>>>> for a while at some point.
> >>>>>>>>>>
> >>>>>>>>>> On Thu, Jan 3, 2019 at 5:35 PM Jonathan Wei <
> >> jon...@apache.org>
> >>>>>> wrote:
> >>>>>>>>>>
> >>>>>>>>>>> Thanks for raising these concerns!
> >>>>>>>>>>>
> >>>>>>>>>>> My initial thoughts:
> >>>>>>>>>>> - I agree that separation of design review and code-level
> >>> review
> >>>>> for
> >>>>>>>>> major
> >>>>>>>>>>> changes would be more efficient
> >>>>>>>>>>>
> >>>>>>>>>>> - I agree that a clear, more formalized process for handling
> >>>>> major
> >>>>>>>>> changes
> >>>>>>>>>>> would be helpful for contributors:
> >>>>>>>>>>> - Define what is considered a major change
> >>>>>>>>>>> - Define a standard proposal structure, KIP-style proposal
> >>> format
> >>>>>>>>> sounds
> >>>>>>>>>>> good to me
> >>>>>>>>>>>
> >>>>>>>>>>> - I think it's too rigid to have a policy of "no code at all
> >>> with
> >>>>>> the
> >>>>>>>>>>> initial proposal"
> >>>>>>>>>>> - Code samples can be useful references for understanding
> >>> aspects
> >>>>>> of a
> >>>>>>>>>>> design
> >>>>>>>>>>> - In some cases it's necessary to run experiments to fully
> >>>>>> understand
> >>>>>>> a
> >>>>>>>>>>> problem and determine an appropriate design, or to determine
> >>>>> whether
> >>>>>>>>>>> something is even worth doing before committing to the work
> >> of
> >>>>>>> fleshing
> >>>>>>>>> out
> >>>>>>>>>>> a proposal, prototype code is a natural outcome of that and
> >> I'm
> >>>>> not
> >>>>>>>>> against
> >>>>>>>>>>> someone providing such code for reference
> >>>>>>>>>>> - I tend to view design/code as things that are often
> >> developed
> >>>>>>>>>>> simultaneously in an intertwined way
> >>>>>>>>>>>
> >>>>>>>>>>>> Let's not be naive this is very rare that a contributor will
> >>>>> accept
> >>>>>>>>> that
> >>>>>>>>>>> his work is to be thrown, usually devs takes coding as
> >> personal
> >>>>>>> creation
> >>>>>>>>>>> and they get attached to it.
> >>>>>>>>>>>
> >>>>>>>>>>> If we have a clear review process that emphasizes the need
> >> for
> >>>>> early
> >>>>>>>>>>> consensus building, with separate design and code review,
> >> then
> >>> I
> >>>>>> feel
> >>>>>>>>> we've
> >>>>>>>>>>> done enough and don't need a hard rule against having some
> >> code
> >>>>>> linked
> >>>>>>>>> with
> >>>>>>>>>>> the initial proposal. If a potential contributor then still
> >>>>> wants to
> >>>>>>> go
> >>>>>>>>>>> ahead and write a lot of code that may be rejected or change
> >>>>>>>>> significantly,
> >>>>>>>>>>> the risks were made clear.
> >>>>>>>>>>>
> >>>>>>>>>>>> Once code is written hard to think abstract.
> >>>>>>>>>>>
> >>>>>>>>>>> I can see the validity of the concern, but I personally don't
> >>>>> see it
> >>>>>>> as
> >>>>>>>>> a
> >>>>>>>>>>> huge risk. My impression from the Druid PR reviews I've seen
> >> is
> >>>>> that
> >>>>>>> our
> >>>>>>>>>>> reviewers are able to keep abstract design vs. implementation
> >>>>>> details
> >>>>>>>>>>> separate and consider alternate designs when reviewing.
> >>>>>>>>>>>
> >>>>>>>>>>> To summarize I think it's probably enough to have a policy
> >>> along
> >>>>> the
> >>>>>>>>> lines
> >>>>>>>>>>> of:
> >>>>>>>>>>> - Create more formalized guidelines for proposals and what
> >>>>> changes
> >>>>>>>>> require
> >>>>>>>>>>> proposals
> >>>>>>>>>>> - Separate design and code review for major changes, with
> >>> design
> >>>>>>> review
> >>>>>>>>>>> first, code-level review after reaching consensus on the
> >>> design.
> >>>>>>>>>>> - Code before the design review is completed is just for
> >>>>> reference,
> >>>>>>> not
> >>>>>>>>>>> regarded as a candidate for review/merging.
> >>>>>>>>>>>
> >>>>>>>>>>> - Jon
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>> On Thu, Jan 3, 2019 at 12:48 PM Slim Bouguerra <
> >>>>>>>>> slim.bougue...@gmail.com>
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>
> >>>>>>>>>>>> On Thu, Jan 3, 2019 at 12:16 PM Clint Wylie <
> >>>>> clint.wy...@imply.io>
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>>
> >>>>>>>>>>>>> I am definitely biased in this matter as an owner of
> >> another
> >>>>> large
> >>>>>>> PR
> >>>>>>>>>>>> that
> >>>>>>>>>>>>> wasn't preceded by a direct proposal or dev list
> >> discussion,
> >>>>> and
> >>>>>> in
> >>>>>>>>>>>> general
> >>>>>>>>>>>>> I agree that proposal first is usually better, but I think
> >> in
> >>>>> some
> >>>>>>>>>>> rarer
> >>>>>>>>>>>>> cases approaching a problem code first *is* the most
> >>>>> appropriate
> >>>>>> way
> >>>>>>>>> to
> >>>>>>>>>>>>> have a discussion.
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> I am wondering here what is the case where code first is
> >>> better?
> >>>>>>>>>>>> In general when you are writing code you have an idea about
> >>> what
> >>>>>> you
> >>>>>>>>> want
> >>>>>>>>>>>> to change, why you want to change and why you want to change
> >>> it.
> >>>>>>>>>>>> I do not see what is wrong with sharing this primitive ideas
> >>> and
> >>>>>>>>> thoughts
> >>>>>>>>>>>> as an abstract proposal (at least to avoid overlapping)
> >>>>>>>>>>>>
> >>>>>>>>>>>> I see nothing wrong with it so long as the author
> >>>>>>>>>>>>> accepts that the PR is treated as a combined proposal and
> >>>>> proof of
> >>>>>>>>>>>> concept,
> >>>>>>>>>>>>> and fair game to be radically changed via discussion or
> >> even
> >>>>>>> rejected,
> >>>>>>>>>>>>> which sounds like Gian's attitude on the matter and is mine
> >>> as
> >>>>>> well
> >>>>>>>>>>> with
> >>>>>>>>>>>> my
> >>>>>>>>>>>>> compression stuff.
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> Let's not be naive this is very rare that a contributor will
> >>>>> accept
> >>>>>>>>> that
> >>>>>>>>>>>> his work is to be thrown, usually devs takes coding as
> >>> personal
> >>>>>>>>> creation
> >>>>>>>>>>>> and they get attached to it.
> >>>>>>>>>>>> To my point you can take a look on some old issue in the
> >> Druid
> >>>>>> forum
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>
> >>
> https://github.com/apache/incubator-druid/pull/3755#issuecomment-265667690
> >>>>>>>>>>>> and am sure other communities have similar problems.
> >>>>>>>>>>>> So leaving the door open to some side cases is not a good
> >> idea
> >>>>> in
> >>>>>> my
> >>>>>>>>>>>> opinion and will lead to similar issue in the future.
> >>>>>>>>>>>>
> >>>>>>>>>>>> This seems to me especially likely to happen in cases
> >>>>>>>>>>>>> where an approach still needs proven to be a viable idea
> >> *to
> >>>>> the
> >>>>>>>>>>> author*,
> >>>>>>>>>>>>> so that a much more productive discussion can be had in the
> >>>>> first
> >>>>>>>>>>> place.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> I think there is a trade off, I don't think we want to
> >>>>> discourage
> >>>>>>>>>>>>> experimentation by walling it off behind mandatory
> >>> discussions
> >>>>>>> before
> >>>>>>>>>>> it
> >>>>>>>>>>>>> can even start, but I do think formalizing the process for
> >>>>> large
> >>>>>>>>>>> changes
> >>>>>>>>>>>> is
> >>>>>>>>>>>>> a good thing, especially since we probably can't expect the
> >>>>> wider
> >>>>>>>>>>>> community
> >>>>>>>>>>>>> to have the same attitude towards a large PR getting
> >>> discarded
> >>>>> as
> >>>>>> a
> >>>>>>>>>>>>> committer might. I think the Kafka approach is reasonable,
> >> a
> >>>>> bit
> >>>>>>> more
> >>>>>>>>>>>>> formal than our design review process but not overbearing.
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> Can you please explain what is overbearing ? what can be
> >>>>> changed to
> >>>>>>>>> make
> >>>>>>>>>>> it
> >>>>>>>>>>>> easy ?
> >>>>>>>>>>>> Most of the points are kind of the actual questions that you
> >>>>> want
> >>>>>> to
> >>>>>>>>>>>> address before hand anyway isn't ?
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>> Going code first
> >>>>>>>>>>>>> should be in general discouraged, but when it does happen,
> >> it
> >>>>>> seems
> >>>>>>>>>>> like
> >>>>>>>>>>>>> opening DIP/an issue/starting a mailing list thread or
> >>>>> whatever we
> >>>>>>> go
> >>>>>>>>>>>> with
> >>>>>>>>>>>>> to have a more high level design discussion alongside the
> >>>>>> reference
> >>>>>>> PR
> >>>>>>>>>>>>> could alleviate some of these complaints?
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> What are the complaints ?
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>> +1 for "DIP" heh, I think making
> >>>>>>>>>>>>> them in the form of github issues is probably appropriate,
> >>>>> with a
> >>>>>>> dev
> >>>>>>>>>>>> list
> >>>>>>>>>>>>> thread to announce them perhaps?
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> I think  github issue with [Proposal] header like
> >>>>>>>>>>>> https://github.com/apache/incubator-druid/issues/4349 is
> >> good
> >>>>> to
> >>>>>> me,
> >>>>>>>>>>>>
> >>>>>>>>>>>> Thanks!
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>> On Thu, Jan 3, 2019 at 10:28 AM Slim Bouguerra <
> >>>>> bs...@apache.org>
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>> Thanks everyone for interacting with this thread.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> The fact that i, Roman, Jihoon  and others in the past (FJ
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>
> >>
> https://groups.google.com/forum/#!msg/druid-user/gkUEsAYIfBA/6B2GJdLkAgAJ
> >>>>> )
> >>>>>>>>>>>>>> raised this point indicates that PRs without a proposal
> >> are
> >>>>>> indeed
> >>>>>>> an
> >>>>>>>>>>>>> issue
> >>>>>>>>>>>>>> and we need to solve it.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> Something Similar to KIP maybe called DIPs is fine with
> >> me.
> >>>>>>>>>>>>>> What i strive to see is the following:
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> [Step 1] formalize what is the kind of work that needs a
> >>>>> formal
> >>>>>>>>>>>>> Proposal, I
> >>>>>>>>>>>>>> think Roman and Jihoon has already covered that pretty
> >> well.
> >>>>> am
> >>>>>> +1
> >>>>>>> on
> >>>>>>>>>>>>> that.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>
> >>
> https://lists.apache.org/thread.html/9b30d893bdb6bb633cf6a9a700183ffb5b98f115330531a55328ac77@%3Cdev.druid.apache.org%3E
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> I am strongly in favor of the separation of Proposal
> >> Review
> >>>>> and
> >>>>>>>>>>> (later)
> >>>>>>>>>>>>>> Code review PRs. My  main reasons:
> >>>>>>>>>>>>>> Most importantly code reviewing will introduce lot of
> >> noise
> >>>>> and
> >>>>>>> will
> >>>>>>>>>>>>>> ultimately make  the GitHub page unreadable.
> >>>>>>>>>>>>>> Avoid overlapping of work.
> >>>>>>>>>>>>>> Once code is written hard to think abstract.
> >>>>>>>>>>>>>> Separate page for Design review later can always be used
> >> it
> >>>>> as a
> >>>>>>>>>>> Design
> >>>>>>>>>>>>>> document that is readable and code free-ish.
> >>>>>>>>>>>>>> As i said the goal of this first round is to see if the
> >>>>> community
> >>>>>>>>>>> agree
> >>>>>>>>>>>>>> about such change, then make the process of design more
> >>>>> inclusive
> >>>>>>>>>>> thus
> >>>>>>>>>>>>>> other contributors can submit a counter proposals.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> [Step 2] IF everybody agree about that point Step 2 is to
> >>>>> define
> >>>>>>>>>>> which
> >>>>>>>>>>>>>> medium is used to Publish a primitive form of a CODE FREE
> >>>>>> Abstract
> >>>>>>>>>>>>> Proposal
> >>>>>>>>>>>>>> containing at least the following bullet points.
> >>>>>>>>>>>>>> - The problem description and motivation
> >>>>>>>>>>>>>> - Overview of the proposed change
> >>>>>>>>>>>>>> - Operational impact (compatibility/ plans to upgrades)
> >>> public
> >>>>>> API
> >>>>>>>>>>>>> changes,
> >>>>>>>>>>>>>> configuration changes, algorithm, and so on
> >>>>>>>>>>>>>> - Expected benefits and drawbacks
> >>>>>>>>>>>>>> - Rationale and alternatives
> >>>>>>>>>>>>>> - Estimate Time to Deliver if possible.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> The way i think this can be is a Github issue where member
> >>> of
> >>>>> the
> >>>>>>>>>>>>> community
> >>>>>>>>>>>>>> will interact via comments and the author will be updating
> >>> the
> >>>>>>>>>>>>> description
> >>>>>>>>>>>>>> in the light of comments provided by the community.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> During and near the end of the design discussions the
> >>> author/s
> >>>>>> can
> >>>>>>>>>>>> start
> >>>>>>>>>>>>>> writing POCs to help guide the review process this
> >> naturally
> >>>>> will
> >>>>>>> be
> >>>>>>>>>>> a
> >>>>>>>>>>>>> Pull
> >>>>>>>>>>>>>> request with actual code.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> *Now the most important thing is that we need to agree
> >> that
> >>>>> any
> >>>>>>> work
> >>>>>>>>>>>> that
> >>>>>>>>>>>>>> does not align with this formal process will be ignored
> >> and
> >>>>> the
> >>>>>>>>>>> author
> >>>>>>>>>>>>> will
> >>>>>>>>>>>>>> be asked to start with a DIP*
> >>>>>>>>>>>>>> *That is what i meant with  “If it didn’t happen on the
> >>>>> mailing
> >>>>>>> list,
> >>>>>>>>>>>> it
> >>>>>>>>>>>>>> didn’t happen.”*
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> Thanks and happy coding!
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> On Wed, Jan 2, 2019 at 6:47 PM Gian Merlino <
> >>> g...@apache.org>
> >>>>>>> wrote:
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> One of the advantages I see with a more formal process is
> >>>>> (like
> >>>>>>>>>>> Kafka
> >>>>>>>>>>>>>> KIPs)
> >>>>>>>>>>>>>>> is that it levels the playing field a bit and sets some
> >>>>> ground
> >>>>>>>>>>> rules
> >>>>>>>>>>>>> for
> >>>>>>>>>>>>>>> working together. In a way it can help encourage
> >>>>> contributions
> >>>>>> by
> >>>>>>>>>>>>> making
> >>>>>>>>>>>>>> it
> >>>>>>>>>>>>>>> clear what is expected of potential contributors.
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> We have a design review process today that is not as
> >> formal
> >>>>> as
> >>>>>>>>>>> KIPs,
> >>>>>>>>>>>>> but
> >>>>>>>>>>>>>> is
> >>>>>>>>>>>>>>> somewhat heavier than the one you describe. Maybe we
> >> could
> >>>>> tweak
> >>>>>>>>>>> our
> >>>>>>>>>>>>>>> current one by starting to do design reviews separately
> >>> from
> >>>>>> PRs.
> >>>>>>>>>>>> i.e.,
> >>>>>>>>>>>>>> for
> >>>>>>>>>>>>>>> anything that meets our 'design review' criteria, do that
> >>> on
> >>>>> the
> >>>>>>>>>>> dev
> >>>>>>>>>>>>> list
> >>>>>>>>>>>>>>> or in a separate issue, and keep the PR focused on
> >>> code-level
> >>>>>>>>>>> stuff.
> >>>>>>>>>>>>> That
> >>>>>>>>>>>>>>> way we don't end up trying to do both at once. And it
> >> makes
> >>>>> it
> >>>>>>>>>>> easier
> >>>>>>>>>>>>> to
> >>>>>>>>>>>>>>> start talking about design before the code is ready,
> >> which
> >>>>> would
> >>>>>>> be
> >>>>>>>>>>>>>> better.
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> On Wed, Jan 2, 2019 at 6:10 PM Julian Hyde <
> >>> jh...@apache.org
> >>>>>>
> >>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> It’s really hard to say no to a contribution when
> >> someone
> >>>>> has
> >>>>>> put
> >>>>>>>>>>>> in
> >>>>>>>>>>>>> a
> >>>>>>>>>>>>>>>> significant amount of work.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> The following approach is simple and works really well:
> >>>>> Before
> >>>>>>>>>>> you
> >>>>>>>>>>>>>> start
> >>>>>>>>>>>>>>>> work, log a case, describing the problem. When you have
> >>> some
> >>>>>>>>>>> ideas
> >>>>>>>>>>>>>> about
> >>>>>>>>>>>>>>>> design, add those to the case. When you have a code
> >>> branch,
> >>>>> add
> >>>>>>>>>>> its
> >>>>>>>>>>>>> URL
> >>>>>>>>>>>>>>> to
> >>>>>>>>>>>>>>>> the case. And so forth. At any point in the proceedings,
> >>>>> people
> >>>>>>>>>>> can
> >>>>>>>>>>>>>> chime
> >>>>>>>>>>>>>>>> in with their opinions.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> In my opinion, a formal “design review” process is not
> >>>>>> necessary.
> >>>>>>>>>>>>> Just
> >>>>>>>>>>>>>>>> build consensus iteratively, by starting the
> >> conversation
> >>>>> early
> >>>>>>>>>>> in
> >>>>>>>>>>>>> the
> >>>>>>>>>>>>>>>> process.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> Julian
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> On Jan 2, 2019, at 12:37 PM, Gian Merlino <
> >>> g...@apache.org
> >>>>>>
> >>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> In this particular case: please consider the PR as a
> >>>>> proposal.
> >>>>>>>>>>>>> Don't
> >>>>>>>>>>>>>>> feel
> >>>>>>>>>>>>>>>>> like just because there is code there that takes a
> >>> certain
> >>>>>>>>>>>>> approach,
> >>>>>>>>>>>>>>> that
> >>>>>>>>>>>>>>>>> the approach is somehow sacred. I had to implement
> >>>>> something
> >>>>>> to
> >>>>>>>>>>>>>>>> crystallize
> >>>>>>>>>>>>>>>>> my own thinking about how the problem could be
> >>> approached.
> >>>>> I
> >>>>>>>>>>>> won't
> >>>>>>>>>>>>> be
> >>>>>>>>>>>>>>>>> disappointed if, as a community, we decide a different
> >>>>>>>>>>> direction
> >>>>>>>>>>>> is
> >>>>>>>>>>>>>>>> better
> >>>>>>>>>>>>>>>>> and the code all gets thrown away. That's one of the
> >>>>> reasons
> >>>>>>>>>>>> that I
> >>>>>>>>>>>>>>>> removed
> >>>>>>>>>>>>>>>>> the 0.14.0 milestone that was added to the patch. (I
> >>> don't
> >>>>>> want
> >>>>>>>>>>>> to
> >>>>>>>>>>>>>> rush
> >>>>>>>>>>>>>>>> it,
> >>>>>>>>>>>>>>>>> nor do I think that's a good idea.)
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> In general: Sounds like we could do with some more
> >>>>>>>>>>> formalization
> >>>>>>>>>>>>>> around
> >>>>>>>>>>>>>>>>> what a proposal looks like, which sorts of changes need
> >>>>> one,
> >>>>>>>>>>> and
> >>>>>>>>>>>>> when
> >>>>>>>>>>>>>>> in
> >>>>>>>>>>>>>>>>> the dev cycle it is appropriate. FWIW I think Kafka's
> >>>>> process
> >>>>>>>>>>> is
> >>>>>>>>>>>>> more
> >>>>>>>>>>>>>>> or
> >>>>>>>>>>>>>>>>> less fine, and would be okay with adopting it for Druid
> >>> if
> >>>>>>>>>>> people
> >>>>>>>>>>>>>> like
> >>>>>>>>>>>>>>>> it.
> >>>>>>>>>>>>>>>>> Right now our standards for what requires a "design
> >>> review"
> >>>>>> are
> >>>>>>>>>>>>> very
> >>>>>>>>>>>>>>>>> similar to the Kafka community standards for what
> >>> requires
> >>>>> a
> >>>>>>>>>>> KIP,
> >>>>>>>>>>>>> so
> >>>>>>>>>>>>>> we
> >>>>>>>>>>>>>>>>> have some familiarity with those concepts. However we
> >>> don't
> >>>>>>>>>>>>> separate
> >>>>>>>>>>>>>> PR
> >>>>>>>>>>>>>>>>> review and proposal discussion as strictly as they do,
> >>>>> which
> >>>>>>>>>>>> seems
> >>>>>>>>>>>>> to
> >>>>>>>>>>>>>>> be
> >>>>>>>>>>>>>>>>> the foundation for the feeling of exclusion that is
> >> being
> >>>>> felt
> >>>>>>>>>>>>> here.
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Separately: I just redid the description on
> >>>>>>>>>>>>>>>>> https://github.com/apache/incubator-druid/pull/6794 to
> >>> be
> >>>>>> more
> >>>>>>>>>>>>>>>> proposal-y.
> >>>>>>>>>>>>>>>>> I followed the KIP style:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>
> >>
> https://cwiki.apache.org/confluence/display/KAFKA/Kafka+Improvement+Proposals
> >>>>>>>>>>>>>>>> .
> >>>>>>>>>>>>>>>>> Please refresh the page and see if it looks more
> >> useful.
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Gian
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> On Wed, Jan 2, 2019 at 10:52 AM Julian Hyde <
> >>>>> jh...@apache.org
> >>>>>>>
> >>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Slim,
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> I agree with your points that offline development is
> >> bad
> >>>>> for
> >>>>>>>>>>>>>>> community.
> >>>>>>>>>>>>>>>>>> But I don’t think you need much mentor help. You have
> >>>>> raised
> >>>>>>>>>>>> valid
> >>>>>>>>>>>>>>>> issues
> >>>>>>>>>>>>>>>>>> and the Druid community needs to decide what its
> >>>>> development
> >>>>>>>>>>>>>> practices
> >>>>>>>>>>>>>>>>>> should be.
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Julian
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> On Jan 2, 2019, at 10:29 AM, Slim Bouguerra <
> >>>>>>>>>>> bs...@apache.org>
> >>>>>>>>>>>>>>> wrote:
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> Hello everyone and hope you all have very good
> >>> holidays.
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> First, this email is not directed on the author or
> >> the
> >>> PR
> >>>>>>>>>>>>>>>>>>> https://github.com/apache/incubator-druid/pull/6794
> >>> it
> >>>>>>>>>>> self,
> >>>>>>>>>>>>> but
> >>>>>>>>>>>>>> i
> >>>>>>>>>>>>>>>> see
> >>>>>>>>>>>>>>>>>>> this PR as a perfect example.
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> One of the foundation of Apache Way or what i would
> >>>>> simply
> >>>>>>>>>>> call
> >>>>>>>>>>>>>> open
> >>>>>>>>>>>>>>>>>> source
> >>>>>>>>>>>>>>>>>>> community driven development is that "Technical
> >>> decisions
> >>>>>> are
> >>>>>>>>>>>>>>>> discussed,
> >>>>>>>>>>>>>>>>>>> decided, and archived publicly.
> >>>>>>>>>>>>>>>>>>> developpement"
> >>>>>>>>>>>>>>>>>>> Which means that big technical  changes such as the
> >> one
> >>>>>>>>>>> brought
> >>>>>>>>>>>>> by
> >>>>>>>>>>>>>>>> #/6794
> >>>>>>>>>>>>>>>>>>> should have started as a proposal and round of
> >>>>> discussions
> >>>>>>>>>>>> about
> >>>>>>>>>>>>>> the
> >>>>>>>>>>>>>>>>>> major
> >>>>>>>>>>>>>>>>>>> changes designs not as 11K line of code.
> >>>>>>>>>>>>>>>>>>> I believe such openness will promote a lot of good
> >>>>> benefits
> >>>>>>>>>>>> such
> >>>>>>>>>>>>>> as:
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> - ensures community health and growth.
> >>>>>>>>>>>>>>>>>>> - ensures everyone can participate not only the
> >> authors
> >>>>> and
> >>>>>>>>>>> his
> >>>>>>>>>>>>>>>>>> co-workers.
> >>>>>>>>>>>>>>>>>>> - ensures that the project is driven by the community
> >>> and
> >>>>>>>>>>> not a
> >>>>>>>>>>>>>> given
> >>>>>>>>>>>>>>>>>>> company or an individual.
> >>>>>>>>>>>>>>>>>>> - ensures that there is consensus (not saying 100%
> >>>>>>>>>>> agreement;)
> >>>>>>>>>>>>>>> however
> >>>>>>>>>>>>>>>> it
> >>>>>>>>>>>>>>>>>>> means that all individuals will accept the current
> >>>>> progress
> >>>>>>>>>>> on
> >>>>>>>>>>>>> the
> >>>>>>>>>>>>>>>>>> project
> >>>>>>>>>>>>>>>>>>> until some better proposal is put forth.
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> Personally such BIG offline PR makes me feel excluded
> >>> and
> >>>>>>>>>>>> doesn't
> >>>>>>>>>>>>>>> give
> >>>>>>>>>>>>>>>>>> me a
> >>>>>>>>>>>>>>>>>>> sense that i belong to  a community at all.
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> To prevent such off list development i think as a
> >> Druid
> >>>>>>>>>>>> Community
> >>>>>>>>>>>>>> we
> >>>>>>>>>>>>>>>> need
> >>>>>>>>>>>>>>>>>>> to stick to the apache way “If it didn’t happen on
> >> the
> >>>>>>>>>>> mailing
> >>>>>>>>>>>>>> list,
> >>>>>>>>>>>>>>> it
> >>>>>>>>>>>>>>>>>>> didn’t happen.”
> >>>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>> I would appreciate if some of the Apache mentor help
> >>> with
> >>>>>>>>>>> this.
> >>>>>>>>>>>>>>>>>>> Thanks
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>
> >>> ---------------------------------------------------------------------
> >>>>>>>>>>>>>>>>>> To unsubscribe, e-mail:
> >>> dev-unsubscr...@druid.apache.org
> >>>>>>>>>>>>>>>>>> For additional commands, e-mail:
> >>>>> dev-h...@druid.apache.org
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>
> >> ---------------------------------------------------------------------
> >>>>>>>>>>>>>>>> To unsubscribe, e-mail:
> >> dev-unsubscr...@druid.apache.org
> >>>>>>>>>>>>>>>> For additional commands, e-mail:
> >>> dev-h...@druid.apache.org
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> --
> >>>>>>>>>>>>
> >>>>>>>>>>>> B-Slim
> >>>>>>>>>>>>
> >>>>>>>>>
> >>>>>>
> >>>
> _______/\/\/\_______/\/\/\_______/\/\/\_______/\/\/\_______/\/\/\_______
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>>
> >>>>> ---------------------------------------------------------------------
> >>>>>>>>> To unsubscribe, e-mail: dev-unsubscr...@druid.apache.org
> >>>>>>>>> For additional commands, e-mail: dev-h...@druid.apache.org
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>> ---------------------------------------------------------------------
> >>>>>>> To unsubscribe, e-mail: dev-unsubscr...@druid.apache.org
> >>>>>>> For additional commands, e-mail: dev-h...@druid.apache.org
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>>
> >>>
> >>
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscr...@druid.apache.org
> For additional commands, e-mail: dev-h...@druid.apache.org
>
>

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