Jenkins Google Summer of Code Office Hours, 20 Jul 2022

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From YouTube: 2022 07 20 Git Cache Maintenance

Description

Git cache maintenance project status meeting from 20 July 2022.

A

Welcome it's the 20th of july. This is google summer of code, get cash maintenance roshikesh. What topics would you like to go over? I know we've got upcoming the the presentation that you'll be doing looking forward. To that. Do you want to review your slides with us? Would you like to talk about your demo? Do you want to test drive your demo? Are there other things.

B

uh I just wanted to you know, talk about the slides like.

A

B

Have made and what exactly is important, because I made a very big presentation, so I I I should I cut short it or you know. How do we do that? That was great okay, there was another concern, so basically, from august first week,.

B

I have my exams up here so.

A

So you will be unavailable.

B

During that period good, but then I've received a mail from google that you know if you want. You can uh like, if you're busy in the middle of the coding phase for like a week, or so you can extend your uh you know, uh g-shock uh period towards the end, for.

A

A week, oh, I didn't I didn't know about that.

A

No is, is that your preference, because my assumption was their expectation- is you'll, spend about 175 hours, total yeah, and if you, if you take a week for exams so long as you spend 175 hours across the project, that we don't have to change the schedule, you know if you feel a need to change the schedule. I'm I'm fully supportive of that, but the the goal is be sure that you've you've you've done the the effort that you intended and spent the time that that they mandated so I'm okay.

A

If I, I can certainly ask our org admins, if they're willing to allow us to extend, particularly if google will allow the option.

B

uh That was something I was uh you know considering if assume in the middle. I don't get some time like so that's an option. Right is what I wanted.

A

Yes, absolutely that if, if google allows it, I have no problem allowing it absolutely they'd be happy to do it. Okay, because they were like you had you had to ask your mentor so right now now the scheduled end is sometime in september right and this wouldn't change it. It would still be in september because the last week of september, I'm in orlando florida for devops world, and so that would be.

A

That will be a difficult time for me, because I'll be very busy, and shortly after that, I'm going to take two weeks of vacation to go with my wife on a special trip. So, okay.

A

I I think it would be in september itself great then so long as we don't spill into october no problem for me, then that's great full support. Okay,.

B

So yeah, that was one thing I wanted to uh also regarding the second phase like: when do we start about it? Do we start our like? uh You know implementing the things from next week itself or how are we.

A

Going to proceed, that was what I thought if you'd be okay with that, I think next week is a great time to begin. The second phase you'll have done your presentation. You'll have been you you. The presentation is also a chance for you to organize your thoughts right. It helps you think about hey. We've done this. We've learned these things here. The things that we've found are important.

A

These are the things that we made mistakes on when we did the initial thinking we know better now and we're going to lay out now the plans for our next- and I think, starting next week would be great.

A

The presentation actually helped me, you know, revise everything all right. You know yeah.

B

A

Wait: it's what you did you do some you do some very serious thing. At least I do when I'm creating a presentation, very serious thinking about how should I explain this and the act of explaining it makes things much clearer for me, oh yeah. That means I need to do this. You know I forgot about that and, while preparing the the presentation I was reminded of this thing has to happen in this thing and yeah very good. That's great!

A

Now I understand the project even better, because I had to explain it to others. So, right, right, okay, it's never wait a sec. Why is it that? Because it works, it does absolutely yes yeah, so yeah.

A

So did you you had mentioned your slides. Do you want to share your slime? Are there.

B

A

Before we do your slides, because if there are other topics that are on your mind, let's be sure we get them as well.

B

No, that there's nothing nothing. No other topics like most of them are related to. You know the next phase of coding, so I think yeah we're good to go. I think, can.

A

Can I share my screen? Yes, yes, I I think. Well, let me let's see maybe I haven't allowed it. Sometimes I forget to grant permissions just a minute see if I can find the uh the security thing. Yes, you should be able to share your screen so on the bottom menu there should be a share screen button, okay and then yeah.

B

Oh one minute, so can you see myself? I can see it. Just great looks wonderful, okay. So this is how this is. The theme of you know how I'm going to start. My presentation first would be you know the intro page.

B

Then uh I would talk about myself. Okay, I was, uh you know, uh glad to see uh jenkins uh art logo about hyderabad, okay. I am from hyderabad.

A

B

A

That's the hyderabad jenkins area, meetup logo. I know that logo. You know I stay very close to this.

B

Building so yeah, uh I'm going to you know. The second page is about introduction, so I'm going to introduce myself then this was this is like you know, uh agenda of whatever.

B

What am I going to talk about and this uh this is a a general overview of how gate works internally so because I was not sure like if everyone knows how uh things work internally, so I thought I'd give a basic overview and uh about caches, okay, how exactly caches works on the jenkins controller, you know a basic overview like what what are caches, what are the disadvantages of caches on jenkins, okay, the this brings us to get maintenance which was introduced in washington 2.30 so I'll be. Should I explain each one of them?

B

It was what was my concern because I made life regarding all of them here, so I I.

A

Wouldn't just because merely the fact that you're saying these things exist is already enough and and you're, probably at this point already one or two minutes into your presentation and and so let's, let's see first, because I think you still plan on a demonstration right, you're, not just so I would not min. I would not describe what each one is unless there's one where you say this, one is so crucial.

A

For instance, for me garbage collection, I've been astonished at times when I discovered a a an unoptimized repository and how much faster it was after we optimized it, but but even that it may not be because most people will probably know. Oh, yes, garbage collection collects garbage.

B

Okay, so, oh so so do I like skip all of these so slides. I think it would take a lot of time explaining all of them, so I I would think.

A

You would skip them, and maybe you put them, let's test it, to see how it feels to you as you go forward, because for me I wouldn't, I don't think your audience cares as much about the details of each each maintenance task as hey. How are you approaching it?

A

What's the what's the experience going to be for the user and what were the design problems you encountered and what are the complexities you found the this piece they can learn, they could go study the get maintenance command and they can learn that for themselves, whereas your project is something they can only hear from you.

B

So then I I think I will skip these uh these things explanation for all of these uh okay and then we have the demonstration so yeah and then uh this is a. This is a simple. You know, high level overview of the architecture, good.

A

Yes, so so I I assume your demonstration will already probably be three to five minutes. Talking about hey watch here, I'm going to we're going to show you. This debris filled repository that starts with now, I'm going to schedule it and then, while while you've scheduled it you're, probably going to talk about it and you may that may be the place actually where you might bring back one of those slides and say.

B

A

While this garbage collection is happening, let's talk about what garbage collection is, and maybe that's the place where you insert, because you need you may need filler. While the process runs right. It's it's not a it's, not a zero time process. This is not a super fast process on large repos. Even so so there is your. Maybe your place where you can say yeah, let's talk about what gc is here's this slide that talks about it. Remember that the the process is running now, I'm talking to this slide because you need we need to.

A

I want to have something yeah. Do you understand what I'm saying: yeah yeah yeah yeah.

B

Okay, uh I thought I'll uh display the comment graph command because that that is going to have. That is the actually a very beneficial maintenance task and I can even display the performance gained using a comment graph. So that was something I thought I'll talk about.

B

um Then this was all this is a high level overview about the architecture, and uh these are the challenges I encountered so yeah and the next phase of like what I am going to talk about and yeah that that's.

A

It excellent, I, I think your presentation is spectacular. That's you, you hit exactly the right topics. Well done and you've got relatively few slides and they've got interesting imagery on them. I I'm I'm impressed once again by somebody using canva you're, the second person in about 10 days, that's shown showing me something in canva and wow. That's really quite elegant it. You look like a graphic design professional with russia. Well done.

B

Yeah I I spent my entire weekend doing this I and my mom okay, so both of us spent uh family time doing this so.

A

Well, so you be sure you tell your mother, thank you yeah! That's it! It really is a good-looking presentation. Well done.

A

B

That that that that's, what uh is what like, I'm going to present tomorrow, I'll have to give you trial, runs again last night, I sat in that view. It's coming around seven minutes. If I speak for you know all the time so so the the demonstration is seven minutes or the total slides.

A

B

Minutes all the slides, without you know, g uh describing gc comment graph. All of.

A

That it comes to around.

B

Seven minutes so I didn't do the you know, trial run for the demonstration, but I am assuming it would take around five minutes. Well, so.

A

So the every bit as much as you want to practice the practice, the presentation, it's even more crucial that you practice the demonstration, because demonstrations have this terrible habit of going very badly. If you don't rehearse them. Okay, yeah.

B

I'll I'll have to try that out once because I have to you know: try I'll try unpacking all those pack files once and copy paste them into the caches, folder and yeah I'll. Do that once today, exactly so yeah that that was all about the presentation.

A

So I I'll stop sharing my screen now, that's great yeah! Thank you.

A

So do you would you like to work through your demo as well? Do you want to show the demo now? Because for me, the slides that you presented, look good and you've got you've got a total of 15 minutes right, that's all they've allowed. You is 15 minutes and there are four four presentations and it's a one-hour webinar. So it's probably even slightly less than 15 minutes, because there will be some intro and there'll be some end.

A

B

The thing is: I've written all of them down on the paper, okay, so uh I'm not sure like if I have to give it right now. I think.

A

You know no problem. If it's not helping you for me to have you do the demonstration. That's just be sure that you've practiced multiple times yeah yeah. I I'll do that.

B

I started recording myself and you know checking whether I'm messing things up or not so yeah.

A

Okay, and do you find recording yourself to be annoying like I do it's it's. Oh I'm annoyed at this. Oh that I said that wrong. I said that wrong. I I paused here I said. Oh a lot, I see yes exactly it's like! Oh I'm supposed to sound like I'm a tv announcer, meaning I never make a pause and I always say words perfectly and no I'm not I'm just me so yeah is it fine? If I can, you know, read it from a script.

B

A

There's nothing wrong with you reading it, uh it's it's better for the audience if they see your eyes staring at the camera. So if you can put your text somewhere near you as you're reading it then they're they're, mis, they're they're, they can be misled. Call it what you will just like tv tv news people the words that they're reading are right next to the camera. Why? Because that way, they're staring at the camera when they're, when they're saying it: okay,.

B

So because this is one of the like my first presentations ever so I'm kinda.

A

B

A

A

Any any other topics, then, that you want to go over.

B

Oh there's nothing right now I what there was one thing which I've stated earlier that was about the g software uh other than that.

A

By that, when you mean the the potential extension of of a week or yes, and and so that one so long as we don't spill into spill into october, no problem for me, oh.

B

This uh something off topic which I wanted to ask: is there any like uh like a future walking like with jenkins, like after the g-shock phase? Is there something uh yeah that I can look into.

A

Is there something like that? Yes, we have. We have many many places where you can contribute. um If you, if you're interested in contributing to the git plug-in there are several additional things that it needs. If you'd rather broaden yourself- and you say, oh, I want to learn a little bit more about other things. Maybe you want to learn something about front end.

A

Maybe you want to learn something about databases and back ends or if you're interested in I've got a particular research project or a particular project we're going to need help with which is related to interpreted languages that are embedded inside jenkins. In this case, it's it's the groovy interpreter and and if you're interested in sort of linguistic challenges, you know logic, logic, kind of things. We've got some very interesting things in that space. So, yes, we've got lots of places that you can help the jenkins project, lots and lots okay, so yeah.

A

That was something I wanted to know yeah, so so well, for instance, and it just depends on your on which things you find interesting right, because we've also had google summer of code project ideas that were not adopted by anyone that we would love to have done. For instance, you you know, we've got one project going right now of pipeline steps, improvements right, pipeline dock generator, improvements, yeah one that wasn't selected was the rest api generator and, if you're interested in rest apis.

A

This is this is a particularly interesting challenge, because the jenkins rest api is generated dynamically from the from the the java code itself and annotations on the java code, and because of that, it's not that you can read a specification and say what it is. It's that you have to read the source code and extract the specification from the source code and and that's really cool, because that means all right I mean I can. I can look inside the source code with java.

A

You know java reflection techniques, look inside the source code and use that to decide, and if that sort of thing is interesting to you, where a where a language looks at itself right, if a language is looking at itself, that's a that's an interesting kind of topic in computer science.

A

So so, yes, just just no question there is lots and lots of there are many, many things that the jenkins project would love to. Have you your help on and if you find something that's of interest to you, I am sure we can find a way to let you help on the project.

A

Surely all right anything else? Oh, that's it! That's amazing! Okay! Well, then, if you're, okay with it, I propose, let's call it done, and I will attempt to upload the recording and again, like I noted earlier, if there was something objectionable in this, I apologize. I will make it available in google drive if youtube rejects it.

A

It could have been from our side as well right if we I have no idea right, I mean who knows what they thought was said or done. I just don't yeah. So I look forward to this thanks very much, mr cash. Thank you so much or.