Thanks Chai, sounds good to me. Could you elaborate a bit on the point about triggering a CI run after the PR has been merged? We already to that automatically for the master, so what's the benefit to do it twice?
-Marco Chaitanya Bapat <chai.ba...@gmail.com> schrieb am Mi., 18. März 2020, 09:30: > Update: > > > we can ensure that all CI runs ran on the commit that will be merged > @Sam Skalicky <samskali...@gmail.com> Branch Protection is added to public > MXNet repo. It ensures that for every PR to be merged, the CI passes. All > the jobs selected "required" jobs will have to be green for the PR to be > merged. Ofcourse, users with "Adminstrator" access can merge without it but > that's just a backdoor. It is the case now and will continue to be the case > with the inclusion of Bot. > > > easily verify that the CI has executed all runs on the commit that will > be merged > GitHub UI shows all the jobs and the status corresponding to it on every > commit. That should suffice. For the merged commits, Repo -> Commits -> > Commit ID (Status) can be tracked currently (only way that I know of). > Moreover, it is beyond the scope of this project (and possibly out of our > control since this is purely GitHub UI specific use-case). > > Thanks @przemyslaw for supporting the opt-in. > > Thanks everyone in the community for sharing concerns, voicing your opinion > and participating in the discussion. > Thanks to those who attended the demo last Friday. > > Action items from that discussion > 1. Handle master merge builds [Done] > Bot runs entire CI suite after the PR is merged and comments on the PR > about the same. > Design decision : > MXNet Bot comment about master merge build on the *merge commit vs PR*. > After the PR is merged, Bot runs entire CI and comments the result of CI > trigger on the PR (because it is easy to track on a PR rather than > commenting inside the merge commit) > > 2. Idempotent condition > In case of already running build, if an attempt is made to retrigger the > job then what should be the response > a. Not to re-trigger, let the ongoing build continue till completion > b. End the ongoing build and re-trigger > c. Let the ongoing build continue, re-trigger new build > > From resource saving point of view, *c* looks costly and a can be > avoided/optimized by B. > In case when a re-trigger was started "erroneously" then killing ongoing > build and re-trigger is a waste. > In case when ongoing build failed in one sub-part, then re-triggering is > justified. > Erroneous re-triggers would be less often while conscious re-triggers to > suppress failure is more common use-case. It looks like a safe assumption > to make given the trade-off. > [Open to debate] > > 3. Add security consideration [Use of secret manager, but without > auto-rotation due to Jenkins manual config requirement] [Done] > 4. New PR Instruction message by the Bot [Done] > Thanks to the suggestion of Leonard, supported by others. I've now added > the feature where the Bot comments a help message. [For reference - > https://github.com/ChaiBapchya/incubator-mxnet/pull/52] > > Barring the opt-in vs opt-out debate & idempotency, consensus was quickly > reached for the rest. > > In the coming days, I hope to roll-out this feature into Prod (public > MXNet) for all devs to use. > > Thanks, > Chai > > On Mon, 16 Mar 2020 at 11:57, Marco de Abreu <marco.g.ab...@gmail.com> > wrote: > > > Well that's generally a problem with a deferred CI approach (CI is run at > > commit and not at merge time). This can either be solved through the > other > > proposal that's currently on dev@, by having a bot which does merges by > > having a global lock and a merge queue or by accepting the issue. Reality > > right now is that we're running that model where two PRs which are merged > > in parallel might break one another. One thing to consider though is that > > this breakage would have to be introduced in two separate parts since > > otherwise there'd be merge conflicts. I think we had that situation twice > > so far and the result was a quick revert, so I'd say that it's a problem > > that can happily be accepted. All other solutions basically require some > > form of single-threaded and globally locked solution which limits us in > > scalability. I'd recommend to just accept that risk and revert a PR in > case > > it actually had a conflict. > > > > -Marco > > > > On Mon, Mar 16, 2020 at 6:29 PM Skalicky, Sam <sska...@amazon.com.invalid > > > > wrote: > > > > > We probably need some way to track which CI runs ran for which commit > > too, > > > that way we can ensure that all CI runs ran on the commit that will be > > > merged. Maybe the bot can comment with the commit hash when users > > command > > > it to do something. Although since users can trigger individual CI runs > > its > > > possible to have some commits run some CI runs but not others. We need > > some > > > way to easily verify that the CI has executed all runs on the commit > that > > > will be merged. > > > > > > Sam > > > > > > > On Mar 13, 2020, at 8:28 PM, Przemysław Trędak <ptre...@apache.org> > > > wrote: > > > > > > > > CAUTION: This email originated from outside of the organization. Do > not > > > click links or open attachments unless you can confirm the sender and > > know > > > the content is safe. > > > > > > > > > > > > > > > > I personally like the idea of opt-in more than opt-out: > > > > - ultimately PR author wants the PR to be merged so they (or > committer > > > reviewing the PR) will trigger the CI > > > > - if it is easy to trigger the PR via the bot command then the amount > > of > > > work per PR should be less than with opt-out (since most of the commits > > > should then be marked as [skip ci] or something similar > > > > > > > > +1 to the bot making a comment on each new PR with its commands (and > > > also explaining, or at least giving links to the general PR process so > > new > > > PR authors are not lost). Maybe we could make the bot recognize if the > PR > > > author is new or existing contributor and offer advice based on that? > > > > > > > > Thanks > > > > Przemek > > > > > > > > On 2020/03/13 22:06:58, Marco de Abreu <marco.g.ab...@gmail.com> > > wrote: > > > >> Hi, > > > >> > > > >> since it's no longer necessary to push a new commit to trigger CI, > it > > > will > > > >> already reduce the costs. But to me, requiring an action to enable > CI > > > after > > > >> a PR has been created initially, is a no go. User can opt out of CI, > > but > > > >> the default has to be CI being triggered automatically for every > > commit > > > >> unless specifically disabled by a participant. I'm also fine with > > > >> triggering certain additional jobs (think about running a nightly > job > > > upon > > > >> request for a PR) to require a manual step, but the PR validation > > > pipelines > > > >> have to run automatically. Every check that is marked as "Required" > in > > > >> GitHub has to be automatically kicked off. > > > >> > > > >> -Marco > > > >> > > > >> On Fri, Mar 13, 2020 at 9:50 PM Chaitanya Bapat < > chai.ba...@gmail.com > > > > > > >> wrote: > > > >> > > > >>> Firstly, > > > >>> Sorry I missed out on attaching the mail thread that was sent on > 12th > > > >>> February for notifying the community of the upcoming changes to the > > > MXNet > > > >>> CI > > > >>> For reference : > > > >>> > > > >>> > > > > > > https://lists.apache.org/thread.html/r09a6ab2803a996fc80e00fe39ed312fa4865e8805e08df847f1addad%40%3Cdev.mxnet.apache.org%3E > > > >>> > > > >>> Now to the questions, > > > >>>> Is it possible for re-triggering a single job to be abused? > > > >>> @Tao In the case when a user re-triggers a single job multiple > times, > > > that > > > >>> will be visible in the PR conversation thread. A committer, even > > after > > > he > > > >>> has approved the PR before, generally takes a look at the final > state > > > of > > > >>> the PR before merging. Would it be fair to assume the committer > could > > > take > > > >>> the multiple re-trigger of a single job into account before > merging? > > > The > > > >>> committer then has the option to invoke `@mxnet-bot run ci [all] ` > to > > > >>> trigger the entire build pipeline one last to counter the abuse. > This > > > is > > > >>> aligned with what @Leonard said. > > > >>> > > > >>> @Sandeep Thanks a lot for collecting and sharing valuable data. I'd > > > concur > > > >>> with the opinion that given the existing things committers & PR > > Authors > > > >>> take care of, invoking CI shouldn't be that big of an additional > > > burden. > > > >>> > > > >>> @Marco With the opt-out, the onus remains on the PR Author. It > > doesn't > > > help > > > >>> reduce the resource usage. Hence, it was suggested to switch to > > > >>> opt-in. @Leo's suggestion for proactive commenting on the part of > bot > > > makes > > > >>> sense and is doable. > > > >>> > > > >>> Default : opt-out and User initiated opt-in (with addressing Leo's > > fix > > > for > > > >>> the usability issue you correctly pointed out ) > > > >>> @Marco How does this sound to you? > > > >>> > > > >>> Again, thank you all for chiming in and voicing your opinion. > > > Appreciate > > > >>> it. > > > >>> We can take ahead these discussions in today's demo meeting. > [Design > > > Doc > > > >>> <https://cwiki.apache.org/confluence/display/MXNET/MXNet+CI+Bot>] > > > [Demo > > > >>> Video <https://www.youtube.com/watch?v=gfOGwZId8aU>] > > > >>> > > > >>> Thanks, > > > >>> Chai > > > >>> > > > >>> On Fri, 13 Mar 2020 at 12:34, Marco de Abreu < > > marco.g.ab...@gmail.com> > > > >>> wrote: > > > >>> > > > >>>> I'd recommend that the bot makes an initial comment when a PR gets > > > opened > > > >>>> and informs the users of its commands. It then tells the user the > > > commend > > > >>>> to opt out of CI. > > > >>>> > > > >>>> -Marco > > > >>>> > > > >>>> Lausen, Leonard <lau...@amazon.com.invalid> schrieb am Fr., 13. > > März > > > >>> 2020, > > > >>>> 20:27: > > > >>>> > > > >>>>> On opt-out: People may be unaware of opt-out would not use it. > > There > > > is > > > >>>> no > > > >>>>> incentive to use opt-out, as the PR author doesn't pay any money > > for > > > CI > > > >>>>> run. > > > >>>>> > > > >>>>> I agree with Marco though that opt-in alone may cause usability > > > issues, > > > >>>> as > > > >>>>> contributors may not be aware of how to trigger the CI. > > > >>>>> One solution is that the bot proactively comments on the PR and > > > reminds > > > >>>> the > > > >>>>> author to trigger running CI once the author deems the PR ready. > > > >>>>> > > > >>>>> But even if we choose opt-out, the bot will still add a lot of > > value, > > > >>> as > > > >>>> PR > > > >>>>> authors can retrigger single jobs that have failed due to > > flakiness. > > > >>>>> > > > >>>>>> Is it possible for re-triggering a single job to be abused? For > > > >>>> example, > > > >>>>>> the author spends two days re-triggering a flaky job to make it > > > pass. > > > >>>>> > > > >>>>> Yes, this is possible. I suggest the committer who likes to > merge a > > > PR > > > >>>>> needs to > > > >>>>> make a good judgement here if a PR is abusing the feature, and if > > so, > > > >>>>> retrigger > > > >>>>> all CI runs. > > > >>>>> > > > >>>>> Best regards > > > >>>>> Leonard > > > >>>>> > > > >>>>> On Fri, 2020-03-13 at 08:07 +0100, Marco de Abreu wrote: > > > >>>>>> Thanks for the data Sandeep. In these cases it sounds like it > > would > > > >>>> have > > > >>>>>> rather been better when people explicitly turned off CI in that > > > case. > > > >>>>>> What's the argument against an opt-out instead of an opt-in? > > > >>>>>> > > > >>>>>> My intention is that I consider it quite cumbersome to make it a > > > >>>>> *required* > > > >>>>>> step to always trigger CI manually, even if just submitting a > > small > > > >>> PR. > > > >>>>> I'd > > > >>>>>> rather see people explicitly turning off CI if they wouldn't > like > > to > > > >>>> use > > > >>>>> it > > > >>>>>> - and there's also the "draft" stage for a PR which some > > > contributors > > > >>>> are > > > >>>>>> using. > > > >>>>>> > > > >>>>>> With regards to WIP and do not review: I think these are use > cases > > > >>>> where > > > >>>>>> you want CI feedback, as otherwise you wouldn't have opened the > > PR. > > > >>> If > > > >>>>> you > > > >>>>>> don't want human feedback and neither machine feedback, why open > > the > > > >>> PR > > > >>>>> at > > > >>>>>> all? > > > >>>>>> > > > >>>>>> -Marco > > > >>>>>> > > > >>>>>> > > > >>>>>> sandeep krishnamurthy <sandeep.krishn...@gmail.com> schrieb am > > Fr., > > > >>>> 13. > > > >>>>>> März 2020, 05:24: > > > >>>>>> > > > >>>>>>> I tried to gather some data for us to discuss this topic in > this > > > >>>>> thread. I > > > >>>>>>> tried to count number of un-necessary builds by looking at most > > > >>>> recent > > > >>>>> (as > > > >>>>>>> of 12, March 9 PM PST) 50 PRs merged to master and 50 PRs. > > > >>>>>>> Identifying un-necessary builds is bit subjective. I tried to > be > > > >>> more > > > >>>>>>> conservative where I didn't count a build as un-necessary if I > > was > > > >>> in > > > >>>>>>> doubt. Hence, I was not able to automate, but I made an effort > to > > > >>> go > > > >>>>>>> through PRs manually and use below criteria to identify > > > >>> un-necessary > > > >>>>>>> commits triggering the builds. > > > >>>>>>> > > > >>>>>>> 1. Explicitly marked as WIP / do not review PR > > > >>>>>>> 2. Incremental WIP commit and finally commenting a commit > > > >>> “trigger > > > >>>>> CI” > > > >>>>>>> 3. Multiple commits to address all comments from single > review. > > > >>>>> This is > > > >>>>>>> assuming we see a comment, address them, commit, next the > > > >>>> following > > > >>>>>>> comment > > > >>>>>>> 4. Sequence of documentation only changes > > > >>>>>>> > > > >>>>>>> I found there were around 42 avoidable builds from most recent > 50 > > > >>>>> merged > > > >>>>>>> PRs and around 86 builds from recent 50 open PRs. > > > >>>>>>> > > > >>>>>>> I synced up with other contributors (Joe Evans, Chai) from > Amazon > > > >>> who > > > >>>>> is > > > >>>>>>> contributing to MXNet CI system. I was told that on an average > it > > > >>>> costs > > > >>>>>>> around $84 per build and on an average 6 commits per merged PR > > (for > > > >>>>> year > > > >>>>>>> 2019). Going by that, it is approximately 1/6 builds are > > avoidable. > > > >>>>> [100 / > > > >>>>>>> 300 + 300 ] > > > >>>>>>> > > > >>>>>>> > > > >>>>>>> Usability should be top most priority. But, since either a > > reviewer > > > >>>> or > > > >>>>> pr > > > >>>>>>> author can trigger the bot, is it really a hurdle for pr author > > or > > > >>>>> reviewer > > > >>>>>>> to call a bot to trigger CI? Given that PR author and reviewer > is > > > >>>>> already > > > >>>>>>> actively commenting various details such as - PR description, > > > >>> review > > > >>>>>>> comments and responses, adding labels etc. > > > >>>>>>> > > > >>>>>>> > > > >>>>>>> Me too curious to know the behavior for Tao's above use case. > > > >>>>>>> > > > >>>>>>> > > > >>>>>>> Best, > > > >>>>>>> > > > >>>>>>> Sandeep > > > >>>>>>> > > > >>>>>>> On Thu, Mar 12, 2020 at 7:18 PM Tao Lv <mutou...@gmail.com> > > wrote: > > > >>>>>>> > > > >>>>>>>> Is it possible for re-triggering a single job to be abused? > For > > > >>>>> example, > > > >>>>>>>> the author spends two days re-triggering a flaky job to make > it > > > >>>>> pass. But > > > >>>>>>>> other jobs which have passed the validation may be broken by > > > >>> other > > > >>>>>>> commits > > > >>>>>>>> during the two day without being noticed. And finally the PR > is > > > >>>>> merged > > > >>>>>>> with > > > >>>>>>>> underlying problems. > > > >>>>>>>> > > > >>>>>>>> On Fri, Mar 13, 2020 at 6:19 AM Marco de Abreu < > > > >>>>> marco.g.ab...@gmail.com> > > > >>>>>>>> wrote: > > > >>>>>>>> > > > >>>>>>>>> In the end it only comes down to money, considering that the > > > >>>>> system is > > > >>>>>>>> auto > > > >>>>>>>>> scaling, making the execution time constant. > > > >>>>>>>>> > > > >>>>>>>>> If we're trading money for usability, I certainly would > prefer > > > >>>>>>> usability. > > > >>>>>>>>> I'd rather recommend to spend time on parallelizing test > > > >>>> execution > > > >>>>> or > > > >>>>>>>>> getting rid of integration tests in the PR stage instead > > > >>> reducing > > > >>>>> the > > > >>>>>>>> costs > > > >>>>>>>>> by making people not use it. But taking a step back to > > > >>> requiring > > > >>>>> people > > > >>>>>>>> to > > > >>>>>>>>> manually trigger CI again doesn't feel right. > > > >>>>>>>>> > > > >>>>>>>>> I'm happy to see that bot deployed, but I do not agree with > > > >>>>> removing > > > >>>>>>> the > > > >>>>>>>>> auto trigger functionality for new commits. > > > >>>>>>>>> > > > >>>>>>>>> -Marco > > > >>>>>>>>> > > > >>>>>>>>> Chaitanya Bapat <chai.ba...@gmail.com> schrieb am Do., 12. > > > >>> März > > > >>>>> 2020, > > > >>>>>>>>> 22:47: > > > >>>>>>>>> > > > >>>>>>>>>> @Marco Thanks for pointing that out. > > > >>>>>>>>>> Tomorrow i.e. Friday, March 13, 2020 at 3:00 PM - 3:30 PM in > > > >>>>>>>> (UTC-08:00) > > > >>>>>>>>>> Pacific Time (US & Canada). > > > >>>>>>>>>> > > > >>>>>>>>>>> When do we expect this bot to be deployed? > > > >>>>>>>>>> @Lin If all goes well in the next week I can deploy it to > > > >>>> public > > > >>>>>>> Apache > > > >>>>>>>>>> (provided I get permissions from Apache Infra) > > > >>>>>>>>>> > > > >>>>>>>>>> @Marco Thanks for your feedback. > > > >>>>>>>>>>> CI system has to support the community without requiring > > > >>>>> people to > > > >>>>>>>>>> constantly shepherd every single run > > > >>>>>>>>>> We have data for the number of times CI was triggered > > > >>>>> unnecessarily > > > >>>>>>>> which > > > >>>>>>>>>> includes > > > >>>>>>>>>> - Entire build triggered instead of specific build > > > >>>>>>>>>> - CI triggered when PR is still work in progress or not yet > > > >>>> ready > > > >>>>>>> (say > > > >>>>>>>> - > > > >>>>>>>>>> intermediate commits) > > > >>>>>>>>>> At the end its a trade-off > > > >>>>>>>>>> Money, Resources, Time to build for each and every commit vs > > > >>>>> Pain of > > > >>>>>>>>>> triggering builds > > > >>>>>>>>>> > > > >>>>>>>>>> > > > >>>>>>>>>>> Scan trigger plugin would poll SCM. Can we use plugin at > > > >>>>> scale? > > > >>>>>>>>>> > > > >>>>>>>>>> 1. I haven't tested it on scale. But I think with the > current > > > >>>>> scale > > > >>>>>>> of > > > >>>>>>>>>> MXNet repo (191 open PRs i.e. checking for changes to 191 > > > >>>>> branches - > > > >>>>>>> It > > > >>>>>>>>>> should be manageable) > > > >>>>>>>>>> 2. What's the purpose of the plugin? tldr; Branch discovery > > > >>> or > > > >>>>> branch > > > >>>>>>>>>> indexing. > > > >>>>>>>>>> Scan trigger plugin comes into the picture only once per PR > > > >>> per > > > >>>>> job > > > >>>>>>>>> (i.e. 8 > > > >>>>>>>>>> times per PR for 8 jobs). It is basically done when a new PR > > > >>> is > > > >>>>> made > > > >>>>>>>> and > > > >>>>>>>>>> the job (say unix-cpu hasn't discovered the new PR branch > > > >>> yet). > > > >>>>>>> That's > > > >>>>>>>>> it. > > > >>>>>>>>>> So it shouldn't be a problem for public MXNet repo. > > > >>>>>>>>>> > > > >>>>>>>>>> Thanks, > > > >>>>>>>>>> Chai > > > >>>>>>>>>> > > > >>>>>>>>>> > > > >>>>>>>>>> On Thu, 12 Mar 2020 at 14:22, Marco de Abreu < > > > >>>>>>> marco.g.ab...@gmail.com> > > > >>>>>>>>>> wrote: > > > >>>>>>>>>> > > > >>>>>>>>>>> Btw you forgot to set a date and time for the metting > > > >>>>>>>>>>> > > > >>>>>>>>>>> > > > >>>>>>>>>>> On Thu, Mar 12, 2020 at 10:18 PM Marco de Abreu < > > > >>>>>>>>> marco.g.ab...@gmail.com > > > >>>>>>>>>>> wrote: > > > >>>>>>>>>>> > > > >>>>>>>>>>>> Thanks Chai, I generally like the idea of the bot. But > > > >>> I'm > > > >>>>> not a > > > >>>>>>>>>>> supporter > > > >>>>>>>>>>>> of the idea to disable any automatic triggering > > > >>> (disabling > > > >>>>> the > > > >>>>>>>>> webhook > > > >>>>>>>>>> is > > > >>>>>>>>>>>> also not an option, considering that this will disable > > > >>>> master > > > >>>>>>>>>> triggers). > > > >>>>>>>>>>>> The CI system has to support the community without > > > >>>> requiring > > > >>>>>>> people > > > >>>>>>>>> to > > > >>>>>>>>>>>> constantly shepherd every single run. Disabling automatic > > > >>>>>>>> triggering > > > >>>>>>>>>>> seems > > > >>>>>>>>>>>> like a step back to me. > > > >>>>>>>>>>>> > > > >>>>>>>>>>>> Instead, I'd recommend that CI gets triggered upon every > > > >>>>> commit > > > >>>>>>> as > > > >>>>>>>>>> usual, > > > >>>>>>>>>>>> but people have the possibility to call a "command" (i.e. > > > >>>>> make a > > > >>>>>>>>>> message > > > >>>>>>>>>>>> which results in the bot setting a label) to disable CI > > > >>>> until > > > >>>>>>> they > > > >>>>>>>>>> revoke > > > >>>>>>>>>>>> it. But the standard should still be that a new commit > > > >>>>> triggers a > > > >>>>>>>> new > > > >>>>>>>>>> CI > > > >>>>>>>>>>>> run. > > > >>>>>>>>>>>> > > > >>>>>>>>>>>> > > > >>>> https://plugins.jenkins.io/multibranch-scan-webhook-trigger/ > > > >>>>>>>> seems > > > >>>>>>>>>> like > > > >>>>>>>>>>>> this would poll SCM. This will incur high quota > > > >>>>> restrictions. Are > > > >>>>>>>> you > > > >>>>>>>>>>> sure > > > >>>>>>>>>>>> that you can use that plugin at scale? > > > >>>>>>>>>>>> > > > >>>>>>>>>>>> -Marco > > > >>>>>>>>>>>> > > > >>>>>>>>>>>> > > > >>>>>>>>>>>> On Thu, Mar 12, 2020 at 10:04 PM Lin Yuan < > > > >>>>> apefor...@gmail.com> > > > >>>>>>>>> wrote: > > > >>>>>>>>>>>>> Chai, > > > >>>>>>>>>>>>> > > > >>>>>>>>>>>>> Awesome work. When do we expect this bot to be > > > >>> deployed? > > > >>>>>>>>>>>>> > > > >>>>>>>>>>>>> Best, > > > >>>>>>>>>>>>> > > > >>>>>>>>>>>>> Lin > > > >>>>>>>>>>>>> > > > >>>>>>>>>>>>> On Thu, Mar 12, 2020 at 2:00 PM Chaitanya Bapat < > > > >>>>>>>>> chai.ba...@gmail.com > > > >>>>>>>>>>>>> wrote: > > > >>>>>>>>>>>>> > > > >>>>>>>>>>>>>> Hello MXNet community, > > > >>>>>>>>>>>>>> > > > >>>>>>>>>>>>>> I have built an MXNet Bot < > > > >>>> https://github.com/mxnet-bot> > > > >>>>> that > > > >>>>>>>>>> allows > > > >>>>>>>>>>> PR > > > >>>>>>>>>>>>>> Authors, Committers and Jenkins Admins to trigger CI > > > >>>>> manually. > > > >>>>>>>>>>>>>> It handles 2 problems > > > >>>>>>>>>>>>>> 1. Manual CI trigger instead of existing automated CI > > > >>>>> trigger > > > >>>>>>>>>>>>>> 2. Gives permissions to PR Authors (in addition to > > > >>>> MXNet > > > >>>>>>>>> Committers > > > >>>>>>>>>>> and > > > >>>>>>>>>>>>>> Jenkins Admins) > > > >>>>>>>>>>>>>> > > > >>>>>>>>>>>>>> Design Doc : > > > >>>>>>>>>>>>>> > > > >>>>>>> https://cwiki.apache.org/confluence/display/MXNET/MXNet+CI+Bot > > > >>>>>>>>>>>>>> I urge you all to attend the demonstration meeting > > > >>> and > > > >>>>> lend > > > >>>>>>> your > > > >>>>>>>>>> views > > > >>>>>>>>>>>>> on > > > >>>>>>>>>>>>>> the same. > > > >>>>>>>>>>>>>> > > > >>>>>>>>>>>>>> Thank you, > > > >>>>>>>>>>>>>> Chai > > > >>>>>>>>>>>>>> > > > >>>>>>>>>>>>>> *Meeting Details*: > > > >>>>>>>>>>>>>> ==============Conference Bridge > > > >>>> Information============== > > > >>>>>>>>>>>>>> You have been invited to an online meeting, powered > > > >>> by > > > >>>>> Amazon > > > >>>>>>>>> Chime. > > > >>>>>>>>>>>>>> *Chime meeting ID*: *9272158344* > > > >>>>>>>>>>>>>> Join via Chime clients (manually): Select 'Meetings > > > > >>>>> Join a > > > >>>>>>>>>> Meeting', > > > >>>>>>>>>>>>> and > > > >>>>>>>>>>>>>> enter 9272158344 > > > >>>>>>>>>>>>>> Join via Chime clients (auto-call): If you invite > > > >>>>> auto-call as > > > >>>>>>>>>>> attendee, > > > >>>>>>>>>>>>>> Chime will call you when the meeting starts, select > > > >>>>> 'Answer' > > > >>>>>>>>>>>>>> *Join via browser screen share*: > > > >>>>> https://chime.aws/9272158344 > > > >>>>>>>>>>>>>> *Join via phone* (US): +1-929-432-4463,,,9272158344# > > > >>>>>>>>>>>>>> *Join via phone (US toll-free)*: > > > >>>>> +1-855-552-4463,,,9272158344# > > > >>>>>>>>>>>>>> International dial-in: > > > >>>> https://chime.aws/dialinnumbers/ > > > >>>>>>>>>>>>>> In-room video system: Ext: 62000, Meeting PIN: > > > >>>>> 9272158344# > > > >>>>>>>>>>>>>> > > > >>>>>>>>>>>>>> -- > > > >>>>>>>>>>>>>> *Chaitanya Prakash Bapat* > > > >>>>>>>>>>>>>> *+1 (973) 953-6299* > > > >>>>>>>>>>>>>> > > > >>>>>>>>>>>>>> [image: https://www.linkedin.com//in/chaibapat25] > > > >>>>>>>>>>>>>> <https://github.com/ChaiBapchya>[image: > > > >>>>>>>>>>>>> https://www.facebook.com/chaibapat > > > >>>>>>>>>>>>>> ] > > > >>>>>>>>>>>>>> <https://www.facebook.com/chaibapchya>[image: > > > >>>>>>>>>>>>>> https://twitter.com/ChaiBapchya] < > > > >>>>>>>> https://twitter.com/ChaiBapchya > > > >>>>>>>>>>>>>> [image: > > > >>>>>>>>>>>>>> https://www.linkedin.com//in/chaibapat25] > > > >>>>>>>>>>>>>> <https://www.linkedin.com//in/chaibapchya/> > > > >>>>>>>>>>>>>> > > > >>>>>>>>>> > > > >>>>>>>>>> -- > > > >>>>>>>>>> *Chaitanya Prakash Bapat* > > > >>>>>>>>>> *+1 (973) 953-6299* > > > >>>>>>>>>> > > > >>>>>>>>>> [image: https://www.linkedin.com//in/chaibapat25] > > > >>>>>>>>>> <https://github.com/ChaiBapchya>[image: > > > >>>>>>>>> https://www.facebook.com/chaibapat > > > >>>>>>>>>> ] > > > >>>>>>>>>> <https://www.facebook.com/chaibapchya>[image: > > > >>>>>>>>>> https://twitter.com/ChaiBapchya] < > > > >>>>> https://twitter.com/ChaiBapchya > > > >>>>>>>>>> [image: > > > >>>>>>>>>> https://www.linkedin.com//in/chaibapat25] > > > >>>>>>>>>> <https://www.linkedin.com//in/chaibapchya/> > > > >>>>>>>>>> > > > >>>>>>> > > > >>>>>>> -- > > > >>>>>>> Sandeep Krishnamurthy > > > >>>>>>> > > > >>>>> > > > >>>> > > > >>> > > > >>> > > > >>> -- > > > >>> *Chaitanya Prakash Bapat* > > > >>> *+1 (973) 953-6299* > > > >>> > > > >>> [image: https://www.linkedin.com//in/chaibapat25] > > > >>> <https://github.com/ChaiBapchya>[image: > > > https://www.facebook.com/chaibapat > > > >>> ] > > > >>> <https://www.facebook.com/chaibapchya>[image: > > > >>> https://twitter.com/ChaiBapchya] <https://twitter.com/ChaiBapchya > > > >[image: > > > >>> https://www.linkedin.com//in/chaibapat25] > > > >>> <https://www.linkedin.com//in/chaibapchya/> > > > >>> > > > >> > > > > > > > > > > > -- > *Chaitanya Prakash Bapat* > *+1 (973) 953-6299* > > [image: https://www.linkedin.com//in/chaibapat25] > <https://github.com/ChaiBapchya>[image: https://www.facebook.com/chaibapat > ] > <https://www.facebook.com/chaibapchya>[image: > https://twitter.com/ChaiBapchya] <https://twitter.com/ChaiBapchya>[image: > https://www.linkedin.com//in/chaibapat25] > <https://www.linkedin.com//in/chaibapchya/> >