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名古屋大出身の育成・松田が猛烈アピール

名古屋大出身の育成・松田が猛烈アピール

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松田コメント

「強いボールをゾーンに投げることができたので、結果がついてきたと思います」

 

「次に登板の機会をいただけたら、同じく結果にこだわってやっていきたい」

 

 

ファンの声

久々の彼のニュース。投げられるのか心配していた。そんなにいいボールを投げられたなんてビックリ。このまま頑張って。まずは支配下だ。

 

 

嬉しいです！
努力で、夢は叶うのを見せてください！
応援してます！

 

 

とてもうれしいニュース
松田君がんばれ

 

 

松田投手、頑張って📣応援しています☺️💓

 

夢じゃなくて･･何時か支配下勝ち取って背番号が二桁に慣れますように･･　松田投手頑張れ！

 

 

近い日の実戦登板を期待していますが、焦らず着実に前進して下さい。二桁の背番号を背負って一軍の試合での登場をじっと待っています。

 

 

松田投手はとても注目している。早く支配下登録されて欲しい。

 

 

松田投手はとても注目している。早く支配下登録されて欲しい。

 

松田 亘哲

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  • Not many domains have popularity as cloud computing has in recent times.
    So it’s no secret that cloud computing adoption is on Rice as you guys might have known Microsoft
    Azure is one of the best and leading cloud service providers and it certainly makes it to the list of top cloud computing skills.
    That one must have if you want to make a career
    in this domain then you have landed at right.

    Place hi, I welcome you all to this full course on Microsoft Azure, which not only talks about is your fundamentals, but will also take you
    deep at conceptual levels before we get into details. Let’s look at our agenda for today for better understanding and ease of learning entire
    course is divided into multiple modules. First module introduction to cloud is about what exactly cloud computing is different kind of deployment and service models in cloud computing second model is about as your fundamentals.
    Well in this module we will learn how to create a short Street our account and we’ll also discuss one of the code Computing service, which is Usher virtual machine next up in the third module
    will discuss as your storage services and database features in detail.
    Fourth module is about different network services offered by assured in here will discuss as your virtual Network and related Concepts like subnets security groups and many more in fifth
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    about is your develops in this module. We’ll learn how to
    simplify and accelerate entire divorce process using Azure develop services, like a sewer pipeline as your
    boards Etc in seventh module will talk about different
    services offered by Usher when you are dealing with current training Technologies,
    like machine learning a iot and Manny, Moe also will be comparing after sure with other leading service providers like AWS
    and gcp final module is mostly korea-related in this module.
    We’ll discuss most frequently Asked interview questions
    in Azure interviews will also discuss roles and responsibilities job Trends
    and skills that you should have to ease your
    interview. Thank you everyone while you are at
    it. Please do not forget to subscribe at Eureka YouTube channel and hit the Bell icon to stay updated with current trending Technologies.
    So let us move further and quickly take a look at
    today’s agenda first firstly, I would be discussing the basics of cloud as in why it is needed
    and what it is exactly. I would also discuss the different
    models that cloud has to offer to you like it’s service models and also its deployment models and also discuss the different Cloud providers that are there in the market and
    finally I would finish things off with the demo part.
    I hope this agenda is clear to all of you firstly let’s understand
    why Cloud to understand this So we need to understand the situation that existed before Cloud came into existence.
    So what happened back then and firstly in order to host a website, you have to buy a stack of servers and we all know that servers
    are very costly. So that meant we ended up paying a lot of
    money next was the issue of traffic. Now as we all know if you are hosting a website
    we are dealing with traffic that is not constant throughout the
    day and that meant more pain we would understand that as we move further and the other
    thing was monitoring and maintaining your servers. Yes, this is a very
    big problem now all these issues. They led to certain disadvantages.
    What are those as I mentioned servers are very costly. Yes.
    The setup was again costly and thus you ended
    up paying a lot of money and there were other factors contributing to this point.

    Let’s discuss those as well. One troubleshooting was a big issue since you’re dealing with a business.
    Your Prime Focus is on taking good decisions so that your
    business does well, but if you end up troubleshooting problems,
    Soare you focus more on infrastructure related issues.
    Then you cannot focus more on your business. And that was a
    problem. So either you had to do multitasking or you have to hire more people to focus on those issues thus again you
    ended up being more money as I’ve discussed the traffic
    on a website is never constant. And since it varies you are not certain about its patterns.
    Say, for example, I need to host a website and for that what I decided I am
    reserving to petabytes of total memory for my usage based.
    On the traffic but as the traffic, where is there would be
    times when the traffic is high and my whole to petabytes
    of data is consumed or space is consumed Roger. But what if the traffic is
    very low for certain hours of the day. I’m actually not utilizing these servers.
    So I end up paying more money for the servers than I should be.
    So yes upscaling was an issue. So all these things were an issue because we were paying more money.

    We do not have sufficient time to take our decisions properly.
    There was ambiguity. There was more trouble. All monitoring
    and maintaining all these resources and apart from that one
    important point which we need to consider is the amount of data that is being generated now and that was being
    generated then then it was okay, but nowadays
    if you take a look at it the amount of data that is generated
    is huge and this is another reason why Cloud became so important.

    Yeah, as of mentioned the data now, we all know that everything
    is going online these days and what that means is we shop online we buy food
    online. We do almost everything. What is required as an whatever information we need we get everything online your bookings and reservations.
    Everything can be taken care of that means we have a lot of data that is being generated these days and this is Digital Data back in those times.
    We were communicating through verbal discussions and all those things so through
    paperwork and that was a different data to maintain since everything is moving on cloud or
    moving online. The amount of data that we have is used these days and then when you have this huge amount of data Are you need a space
    where you can actually go ahead and maintain this data?
    So yes again, there was a nude of this piece and all these issues that is
    your cost. You’re monitoring your maintenance providing sufficient space.

    Everything was taken care by Cloud. So let us
    try to understand what this cloud is exactly.

    Well think of it as a huge space that is available online for your usage.
    This is a very generic definition to give you to be more specific.

    I would be seeing that think of it as a collection of
    data centers now. Yes, it does again at a place where you store your data or you
    host applications basically, so when you talk about these data centers, they were already existing.
    So what did Cloud do differently? Well, what cloud did was it made sure that you
    are able to orchestrate your various functionings applications managing your resources properly
    by combining all these data centers together through a network and then providing you the control to use this resources and to manage them
    properly to make it even more simpler. I would say there was
    a group of people or organizations. Basically that went
    ahead and bought these servers these compute capacities storage places compute services and all those
    things and they have their own channel or Network.

    All you have to do was go ahead and rent those resources only to the amount you need it and also for the time that you needed.

    So yes, this is what cloud did it let you rent the services that you need and you Only those
    services that you need so you ended up paying for the services
    that you rented and you ended up saving a lot of money. The other
    thing is these service providers. They take care of all the issues like your security your underlying infrastructures and
    all those things. So you can freely focus on your business and stop worrying about all these issues.
    So this is what cloud is in simple words. It’s a huge
    space which has all these services available and you can just go ahead and pick and render services that you want to use.
    So what is cloud computing? Well, I’ve already discussed that just to summarize it I would say it is nothing but an ability or it is a place where you can actually
    store your data. You can process it and you can access it from anywhere in the world.
    Now. This is an important Point say for example, you decide to
    choose a reason for infrastructure somewhere in u.s. You can certain maybe China or maybe in India and you can still have access to all your resources that is there in u.s.
    All you need is a good internet connection. So that is what cloud does.
    Makes the world accessible it lets you have your applications wherever you want to and manage them the way you want to
    so this was about cloud computing guys. Next we would be discussing different service models.
    Now you need to understand one thing you are being offered cloud services the platform to use your services or your applications basically,
    but then different people have different requirements.
    There are certain people who just want to consume a particular resource or there’s certain people who actually want to
    go ahead and create The View. Own applications great
    the own infrastructure and all those things. So based on these needs we
    have particular service models that is your Cloud providers provide you with a particular model which suits your needs.

    So let us try to understand these models one by one we have these three models that is your iaas your paas and your saas.
    I would be discussing them in the reverse order.
    That is I would be talking about saas first
    and then I would go upwards so let us start with saas or
    sad. SAS is nothing but a software-as-a-service. Now what
    happens here is basically you are just consuming
    a service which is already being maintained and
    handled by someone else to give you a valid example.
    We have a Gmail. All you do is you send mail to people and you receive mails and whatever functionality you do is you just use
    the service that is there. You do not have to maintain it.
    You do not have to worry about up scaling down scalings security
    issues and all those things. Everything is taken care by Google say for example But yard email is what I’m talking about
    Google manages everything here. So all you have to worry
    about is consuming that service now this model is known as software as a
    service that is saas. Next we have passed that is platform
    as a service now here you are provided with a platform where
    you can actually go ahead and build your own applications to give you an example.

    We have our Google app engine. Now when you talk about Google
    app engine, what you can do is you can go
    ahead and you can create your own applications and you can put Put it on Google app engine so
    that others can use it as well. So in short you are using the platform to create your own applications, and lastly we have iaas that is infrastructure as a service.
    Now. What do I mean by this? Well, the whole infrastructure is provided to you
    so that you can go ahead and create your own applications.
    That is an underlying structure is given to you based on that.

    You can go ahead and choose your operating systems the kind of Technology you want to use on that platform the
    applications you want to build an old those things. So that is what an IAB S is infrastructure-as-a-service basically,
    so these were the different models that I wanted to talk about.
    So let us move further and discuss the next topic. That is the different deployment models that are there.

    Now when you talk about deployment models, you can also call them as different types of clouds that are there
    in the market we have these three types. That is your
    public Cloud your private cloud and your hybrid Cloud. Let us try to understand these
    one by one now as the name suggests the public Cloud it’s available to everyone you
    have a A service provider who makes these services or these resources available to people worldwide through the
    internet. It is an easy and very inexpensive way of dealing
    with the situation because all you have to do is
    you have to go ahead and rent this cloud and you’re good to use and it is available publicly.
    Next. We have the private Cloud now. This is a little different here.
    You are provided with this service and you can actually go ahead and
    create your own applications. And since it’s a private Cloud you’re protected
    by a firewall. Add wall and you do not have to worry about various other issues that are there at hand
    and next. We have our hybrid Cloud now. It is a combination of your private cloud and your public Cloud say,
    for example, you can go ahead and build your applications privately
    you can use them. You can consume them you can use them efficiently.
    When you sense that peak in your traffic. You can actually move it to public that is
    you can move it to the public cloud and even others can have
    access to it and they can use it. So these are the three basic deployment models that are there for you.

    Exposure or your usage rather and you can go ahead
    and use those as well. I hope this was clear to all of you.

    So let us move further and try to understand the next topic that has different Cloud providers that
    are there in the market. Now as I’ve mentioned what happened
    was since Cloud came into existence quite a few people went ahead and they bought their own infrastructure
    and now they rent the services to other people and when you talk
    about this infrastructure, they’re quite a few people out there
    who are actually providing these cloud services to different people
    across the globe now when you talk about These Cloud providers.
    The first thing that should come to your mind is Amazon web
    services because it is highly popular and it leaves other Cloud providers
    way behind. The reason I’m saying this is the
    numbers that talk about Amazon web services to give you an example.
    If you talk about its compute capacity. It is six times larger than all the
    other service providers that are there in the market say for example, if you talk about the other service providers in the
    market if the compute capacity combined was ex-army Has on web services alone
    gives you a capacity of 6 x which is huge apart from that.
    It’s flexible pricing and various other reasons.
    That is the services it provides and all those things.
    It is rightly a global leader and the fact that it had a head start that
    is it started way before many other services that are
    there in the market. It actually gained popularity. And now we
    see quite a few organizations going ahead and using Amazon web services
    apart from that. We have Microsoft Azure, which is a Microsoft
    product and we all All that when Microsoft
    decides to do something they expect that they kill all the competition that is
    there in the market. It is still not in terms with Amazon web
    services or few other service providers that are than the market
    but not very neck to neck but it is probably the second best
    when you talk about Amazon web services or the cloud service providers in the market.

    So, yep, it has a lot of catching up to
    do when you compare it with Amazon web services, but it is still a very
    good cloud service provider that is there in the market.
    Then we have something called as Google Cloud platform again a
    very Very good cloud provider in the market. Now. Why am I saying this?
    We all know the infrastructure that Google has to offer to
    you. It has one of the best search engine that is then the market and the amount of data
    they deal with every day is huge. So they are the Pioneers when you talk about big data and all those
    things and they know how to actually handle this amount of data and how to have an infrastructure that is very good.
    That is why they have a very good facility and that leads
    to it being one of the cheapest service providers in the
    market. Yes, there are Features that DCP offers
    which are better, even than Amazon web services when you talk about its pricing and the reason for it is it has various other services that are
    there water does is it helps you optimize various costs how it uses
    analytics and various other ways by which it can optimize the amount of power you use
    and that leads to less usage of power. And since you are paying less for power that is provided
    as a paying less for power you end up paying less for your services as
    well. So that is why It is so cost efficient. Then the other service providers that is we have digital ocean.
    We have to remark we have IBM which is again very popular.
    But that is a discussion for some other time. As far as
    the service providers go. These are the major ones that as we have Amazon web services.
    We have Microsoft Azure, we have DCP which are talked about a lot.
    This was about the basic Cloud providers and the
    basic intro which I wanted you all to have. I hope you all are clear with
    whatever Concepts we’ve discussed in time. So let us
    move further and switch into the demo. Let us try to explore a few of these services or Cloud providers as in at least the introductory part.
    Okay. So what I’m going to do is I’m going to switch into
    the console basically where we can take a look at these
    Services one by one. So yes guys, what I’ve done is I’ve cornered and have logged into my AWS account now
    AWS provides you with a free tier and then they have the paid Services as well.
    Let’s discuss these one by one first. I would talk about AWS
    then I will talk about gcp and to some extent
    I would also discuss a juror as well, but But let’s focus on AWS for
    first one point, which I did not mention while going through the concepts was AWS provides you
    with a free tier. Now when I see a free tier, this is where
    you do not have to pay any upfront money. You can actually go ahead and have access to AWS services and see how
    they work and once you are confident and comfortable with them, you can actually go
    ahead and decide whether you want to buy those services or not.
    So yes, these services are made available to you for free for one
    complete Year. Yes. There are certain restrictions on it.
    But as long as you stay in those restrictions, you won’t be Panting if you cross
    those restrictions. Yes in abuse will charge you now.

    How does AWS do that? Well, when you create an account, you have to give
    in your credit card details or debit card details, when you do that database will cut a lump
    sum amount from your account verify account and reinstate that amount back into your account
    so that none of your money is used but just a
    verification is done that this is your valid credit card or
    your debit card and once your 12 month free trial expires, then they would notify you that your free trial is over.

    Would you want to go ahead and continue using our services
    if you say yes, then they would charge meanwhile, they won’t charge you so you can stay relaxed and you can actually go ahead and give you a credit
    card or debit card details, but just make sure that you set an alarm
    and once your free trial gets over you kind of either revoke your exes or go ahead and continue
    with the paid services that it abuse has to offer to you.
    So what does this re-tear has to offer to you?
    Basically, let’s take a look at those. Well firstly we have compute
    Services when you talk about AWS and Name a few we have ec2.
    We have Lambda which are popular Services now easy to is something like a raw server where you can actually go
    ahead and post our websites and applications. It is very popular.
    And if you want to use it, it obvious gives you 750 hours per month for free.

    Then you have some service called as Amazon quick set which is basically an analytic service and I won’t get into
    the details of what it does basically, but you have a space of 1 GB available to you that is nothing but spice capacity basically again, I won’t
    get into the details because I want to Stick to the surface
    as far as the session goes, then you have other services like your database service, which is
    an RDS. You have your storage service, which is S3 Amazon Lambda.

    Now Lambda is another compute service which is similar to your ec2.
    But ec2 is more of a place where you can host a websites.

    Where as Lambda does not let you host a website.

    But yes, you can definitely go ahead and
    do a lot of background application work. When you talk about
    AWS Lambda apart from that database also provides with various videos that talk about how
    do you want to go ahead and get started with using this?
    Sosa’s how to create an account how to create instances and all those things.
    So this was about the free tier let us kinda move further and see how the
    console looks like. You can actually go ahead and create your own instances.
    You can do a lot of things. So this is what the different services that a device has to offer
    to you. You have your compute Services developer tools machine learning and I’ll
    takes storage database Services. You can actually go ahead and
    use these on your own you can go ahead and create certain instances here now once you click here oniy Easy to
    you get to see the number of instances that are active the security groups that are there the keep is that you have let us see or take
    a look at an instance. Basically. I would tell you how to create
    one. I won’t create one myself because I have certain ones running already.
    I would just walk you through how the process
    works. When you click on that launch instance. It will give
    you options in what kind of an instance do you want to create so you can actually
    go ahead and pick the one that suits your need based on the OS you’re using and stuff
    like that since I’m using a Windows. We’ll be picking one for
    Windows and I would be using the one that is freely available to me or eligible for my free tier.

    So when I say select I see that a free tier eligible T2 micro instance is available to me.
    I can either click on this and directly go to the final step of creation, or
    I can take a step by step approach. That is if I want to
    modify it. I can go ahead and given these details as in the number of instances my purchasing options Network subnet auto-assign public IP and all those things.
    So let’s click on next and we can also also put in these details,
    but I’m going to stick to the default decisions or the selections.
    You can also go ahead and configure your security
    groups. I would talk about that as well. Do not worry
    and finally it would say do you want to remove and launch
    it? Once you click on this you would have a new instance they would be couple of statistics and you’d have your instance available for use to give you an example take a look
    at this as you can see. I have two instances running and the security checks are
    done and I can actually go ahead and do a lot of things with it.
    I can actually go ahead I can connect to a server.
    Again have my security group security policies. And when you have an instance, you can do so many things for hosting
    a website and the other things that are there now,
    I just mentioned keep are values and I mentioned security groups.
    Now when you talk about the key pair it is nothing but an authentication process that lets you use your instance.

    It is a verification process. Basically it varies when you talk about using it on your Linux
    and using it on your Windows Windows, you would need it for an external login as far as when you talk about Linux you’ll
    have To go ahead into your terminal and generate those SSH or your secure
    server Keys basically or secret selkies rather and then log
    into your website and then go ahead and use it on your server basically.
    So this is what happens. So that is something that you called
    as a keeper value when you talk about AWS a keeper value once created it is unanimous or it
    is not unanimous rather. It is primary to a particular instance and you should not lose it because if you do that
    instance becomes useless for you, so You have to make sure that once you
    create a key value pair that key value pair it stays with you
    and when you do try to connect to a server that keeper value
    or its value is available with you so that basically you can switch to your server and connect to it.
    And then you have something called as your security
    groups as well. Now if you come down here you can go ahead and set in your
    Security Group policies. Whatever. Those are you can create a new
    security group and you can just go ahead and add rules
    as in what kind of security policies you want.
    Say, for example, you have your HTTP https now if you’re using
    Windows, you’ll be needing our DP and those kinds of rules.
    You can go ahead and select a source you want to and accordingly
    you can set in your security rules. Once you create on click
    on create you’d be having your Security Group up and running for
    you and you can like stay assured that your so-called services
    are more than secure here. So yeah, this was about Amazon web services and how its
    interface looks like then you have something called as your gcp now gcp to has a free.
    The only difference is gcp gives you an a balanced amount as in say some amount of US Dollars and you can the services are paid services,
    but you can use this balance to go ahead and use those
    services. So it pans out to similar approach which
    aw stakes in but if you talk about their pricing, aw charges you on hourly basis, whereas
    your Google Cloud platform charges you and second basis.
    So it is more affordable. Say for example, you stop
    using a particular instance at two minutes. You’ll be charged.
    Only for those two minutes, but if you stop using an instance for two minutes in AWS
    would be charged for a complete are so that is the difference between the two as far as logging in is concerned again, you’ll
    be going ahead and giving in your credit card details here as well.
    The difference is here. You have to make sure that you do not enable
    your billing because once you do that, trust
    me, you’re going to end up paying a lot of money because I accidentally left few instances open. The last time I logged in and I was charged Hefty live without me being noticed.
    When you see a button missing that enable billing make sure that you use it carefully because you do not want to be charged for something that you are not using.
    So when you talk about gcp this is how the interface looks like.
    You have all the services here as well there you had your computer services you have you have your compute engine basically and you can to come here and create your instances.

    You can click here and you can go ahead and go through the process of creating your instances,
    but I won’t be creating an instance as far as you are gcp is concerned because I’ve given you a
    reason already. I’m happy working with AWS for now.
    This is your dashboard where you get in all the information as in whatever is happening as far as your account is concerned.
    So this is one of the accounts managed by a person I
    know who works with me and the certain projects which he has gone ahead and
    created. So it’s the information for those details are the details for
    that project basically and then you have something called as your Microsoft
    Azure now, I won’t log in and get into the details. But yeah it to
    provides you with similar services. So is this what about the
    different cloud? Riders that are then the market and I just wanted
    you all to have some understanding as in how do these things
    work? And what do these Services have to offer to you? I hope this is clear to all of you.

    Why a Microsoft is your why are you guys so interested in Microsoft with yard.
    Now one thing is that Microsoft is your is actually becoming pretty big.
    I mean the cloud leader on papers. It is AWS right now,
    but if you see the growth with that has been happening in the past few
    years Microsoft is your is actually coming out pretty
    big. Right? So and that is the reason if you look at this graph, there are the job opportunities for Azure has been on a rice and that is like this is the primary reason that you guys want to learn about
    Microsoft with your because obviously you want to
    make a career shift into the cloud industry, right and for that availability of
    jobs should also be a factor. And if you see
    the graph this graph is has actually been taken from indeed.com, right and as you can see the graph is rising.
    So if you see as 2014 it was around .01% in the mid in the late 2016.
    It’s reached around .09 it came down to a fault. But then again it is at a right.
    So this is apartment that you see but if you take my advice because
    I have seen the industry as far as I know these jobs.
    Are going to increase multiples in the future as well.
    Right? It’s not only restricted to is or if you talk
    about AWS if talk about any Cloud technology, it has
    become imperative for you to learn about Cloud because it
    is the thing everything in the next 10 or 15 years is going to be on the
    cloud right any company which is still on its own for my servers
    will move to the cloud one day or another because
    that is inevitable that Is something that has to happen and that is the reason it becomes very important for you guys to
    skill up to the cloud level right now talking about is your like I said, so jobs are increasing every day jobs are there for you?
    So what needs to be done from you guys is prepare for the exam.
    That is therefore Azure give that exam get the certification get hands-on experience and get the job.

    This is the course. This is the path that you should have for taking a cloud computing roll.
    Right having said that so that is this is the reason why we learning about Microsoft Azure today moving on. Let’s understand
    what Microsoft is your is exactly so Microsoft is your is a growing locations through Microsoft’s Global Network of data centers, right?
    So by using the Microsoft infrastructure, you build deploy and manage applications
    on the has your environment and Like as you’re like I
    said, it’s a cloud provider. It provides you the cloud services you’re using those cloud services,
    but those cloud services are actually on the Microsoft infrastructure.
    And that is what you are paying them for right?
    So, this is what Microsoft Azure is all about guys.
    Now, let’s see a use case now that is My Philosophy is that rather than doing
    all the theory first and then going on to the Practical I would
    like to follow the reverse approach, right? I would I’d like
    to begin from practicals because that is what your exam will
    be based on your exam will be based on real-life example that you based on real-life
    scenarios Lou based on what kind of Hands- On knowledge you have in your as your domain. All right, and that is the reason every session of ours will have a use case through which
    we will try to analyze how we can implement it in the
    cloud. Right? So this is your first use case. This is kind of simple guys.
    So please pay attention. So we are trying to make a website which is something like this.
    Right? So what happens here is you have a set of images and these images are actually being played in the background.
    And in this website, you have a functionality to upload
    more files to the cloud and once you do that those files will automatically be added in the
    slideshow and we’ll start running. Alright, so this is our use case and we have to
    implement it on the cloud. So there are two stages in the way.
    We are going to take this use cage the first stages.
    We’re going to apply pure logic, right? We are going to understand how we can actually deploy it on any cloud service right?
    Not only does your butt any Cloud platform if it
    is out there, how can we implement this use case? So let’s see that first and after that once you have understood
    that will try implementing it in as your so first.
    Let’s see how We will implement this in a general
    scenario by pure logic. So your user base will be accessing the internet right now when your user will try to access the website, he will enter the website name, right?
    So all of that traffic will come at this point,
    which is called a load balancer. Now, what is the load balancer a load balancer is basically a service which distributes your traffic equally among the server’s running at that time.
    So say there are like five servers running your website then and
    if traffic is coming on to your servers that traffic will be distributed
    among those five servers by the load balancer. So the job of the load balancer is to
    distribute the traffic equally among the service, right?
    So this is what the load balancer is all about. So your user base from the Internet is trying to
    access your website. So the traffic comes to
    the load balancer and the load balancer separates or Segregated traffic into equal
    proportions and give it to the server’s right. So once the
    traffic comes onto the server’s the server’s process the request and if you talk about our website, so
    our photos are actually stored on a file system, right?
    So whatever files you are uploading or whatever files are there, which are already been uploaded there on a file system,
    right? So it will access that file system for fetching those files, but our servers they don’t know.
    What files do we want? Right? What is the like say, for example, I upload a file and before uploading the file.
    There were three pictures running in the background.
    So my server should know what are those three files that I have excess right?
    There should be a list of those files that the server has to play in the background.

    Now that list of files is actually stored in a database, right?
    So what my service will do is it will first get that list from the database right?
    And once it gets at least it will fetch that.
    List of files from the file system say there are around five files
    in the database. So my server will interpret the addresses
    of those files from the database and then it will call the file system
    and get those addresses or get those files
    from there and Fry to show that in this slideshow in the website.
    Now when we upload the file, what happens is first your database is updated, right?
    So whatever file is being uploaded to your servers,
    that file is Renamed according to whatever parameter you have set because it has to be unique.
    Right each file has to be identified with a unique name, right?
    So it renames that file to that unique name and then store it on the database once entry has been made on the database then it gets uploaded onto the file system.
    Right? So guys, this is the architecture of your application just as the logic that will be following today.
    So let’s try to implement this architecture has your nose Understood how we can actually architect this use case in a
    general way. Right? Let’s see how we can implement it in the has your environment.
    So in the Azure environment the servers that you’re trying to implement is actually provided to you by a service called the
    app service. What is AB service will be discussing in the further
    slides. Then let’s talk about the load balancer and auto-scaling.
    So the load balancer is actually implemented by the has your
    load balancer and auto-scaling, right? And having said that then we
    talked about the database. So database is the mySQL database that will be using in Azure and then you have the file system which is called blob storage in your what are these Services you might
    be confused. Okay. What is your load balancer? What is the app so
    is what is mySQL database? What is blob storage? Don’t worry.
    I will explain everything to you in the
    coming few slides. So let’s go ahead then. So these are the services that you’ll be
    using in a jar. Let’s go ahead and understand
    these Services one by one. So let’s talk about the app service first.
    So the app service is basically a part of the compute domain. All right, and in the compute domain you have a lot of sources, but
    why are we using the app service? Let’s understand that.

    So there are basically three kinds of services in the compute domain if
    you talked about in a very broad sense. The first service is called the virtual machine.

    Now. What is the virtual machine a virtual machine is just
    like a traditional computer. Now that you have in your in-house data house.
    It is a computer that is accessible to you and you
    can do anything with that computer where you have all
    the rights to that computer. All you have to do is basically what you will do with a virtual machine is you will say that I need this much RAM.

    I need this much storage and I need this much configuration. Please give
    me a computer. So as your will create that virtual machine for you, right and
    it will give you the IP address and the password for that machine.
    What you can do is by remote desktop connection. And
    you can enter that IP address and the password and you will be able to connect to that computer.
    Now, once you connect to that computer, it is your computer annoyed
    you have the access to the user interface. You can do anything on this computer.
    You can make it a website server. You can make it
    a worker to your environment. You can use it to
    for image processing right? You can do multiple things on a so I like you
    I might be doing on your server as well. Right?
    So this is what virtual machines is all about. You can configure it to Become anything.
    Our next service is called the app servers. So it is a basically an automated version of
    a virtual machine, but with limited possibilities when I say limited possibilities it is this service is actually very more focused.
    Right so app service. Basically, it doesn’t give you the
    access to the user interface. All right, but that gives you more simple interface to deal with because if
    you want to host a website in virtual machine you would have To configure
    the virtual machine you would have to configure the firewalls.
    You would have to install the necessary software like say for example,
    you have a PHP website, right? So you would have to install PHP software on a virtual machine and then you would have to copy those your website files or the files
    that you have coded into a specific folder and then you would have testified the configuration for your firewall and everything.

    Right? So there were a lot of things that you had to do in your
    virtual machine with app service. You don’t have to do anything.
    Then you just have to specify what language you want. Say, for example, I want a PHP website.
    So I’ll select PHP. I’ll do next then last me what kind of configuration of
    servers I want. I’ll specify the configuration. I click next and that
    is it. My website will be deployed automatically. It will ask me to upload the files.

    I’ll upload the files. It will automatically send it to
    whatever folder it is required and this done right?
    So this is the part of app service right? It is more automated
    because the Pitching machine everything had to be done manually, but with app
    service everything happens automatically. I just have to upload my files, right?
    So this is what app service is all about. So, like I said, so app service is basically used to deploy an application.
    All right, you cannot do anything else with it. You cannot use it to process a customized workload
    or something like that. You can just use it to deploy an application and that is why it is called
    an app service Right Moving On Let’s Talk. Talk about functions of functions is basically a very new technology.

    It’s called the server less architecture it basically what it does is you don’t have
    to specify the configuration. You don’t have to specify anything.
    You just have to upload your code and it executes it
    for you, but it will not deploy any application for you.
    For example, you want to host a website. It’s not do that.

    It just does processing in the sense. It will only do background tasks for you.
    For example, if you Have let me take an example which uses both these Services.
    If you have say an application like Instagram, right? So user uploads His image on your application. And then your application has to
    store that image now before storing that image.
    Maybe you want to compress the image or you want to apply a filter to it or whatever, right?

    So from your application the file is uploaded. And now these
    many tasks have to be done if these tasks are actually configured in your
    code, which is Actually uploading the file as well.

    It will actually increase the overhead on the server
    which is hosting an application. But what we can do is the way things happen today is everything
    is distributed. Right? So from your application only the file will be uploaded.
    Once the file is uploaded. Right? The tasks
    will be the tasks like renaming the file or compressing the file applying the filters.
    Everything will be done using the functions. So
    the function will get invoked whenever the file.
    Is it uploaded using the app servers and the function will execute all the tasks that have to be done on that particular image this reduces the overhead on the server which is hosting your
    application. Right? And you have your background tasks will be implemented
    by a functions and then will be stored in the respective file system.
    Whatever you have coded your function to do right? So this is basically the difference.
    So recapping again virtual machine is basically
    a computer you can configure it to anything you can actually we use
    app servers in a virtual machine Mallory. For example, you
    want to deploy an application you can use it by configuring a virtual machine, right?
    You can also use it as a function your virtual machine that I mean to
    say as in you can configure it to only execute background tasks.
    But the thing is you have to configure everything manually.
    If you want an automated version you can go with app Service app Services used
    to deploy an application. Right? But if you are use
    case is not about deploying application you want to do some raw?
    Searching you might as well hop for functions, which is a service which is not used
    to deploy an application but is used to execute background tasks.
    All right, so guys a doubt and whatever we have discussed like we discussed virtual machine.
    We have discussed app service and we’ve discussed functions.
    All right. Like I said, we are using the app service why
    because we are deploying a website, right? So for deploying a website, I need apps away.
    So it cannot be done using functions can be done were doing virtual machines as well, but it will need
    a lot of manual work and our job is to make everything faster right
    cloud computing is all about speeding up things. The speed of implementing is increased
    right so I rather use an app service and upload my code
    on the Service and it will deploy the website from right it’s that simple guys.
    Let’s move on to the next topic of today’s discussion, which is the blob storage.
    So the blob storage is basically the file system that you need to upload your files, right?
    You definitely need a file system. There is no alternative to this.
    Right. So your blob storage is the place where you will be storing your image
    files, but why did we choose the blob storage by not some
    other service from the storage to Maine?
    Let’s discuss that. So in the storage domain basically, you have three kind of services you have more services well, but these are the three main services in the blob in the storage domain. You have the block storage.
    You have the Q storage and then you have the backup, right?

    So the block storage is like I said is a file system on which you
    can upload any kind of file, right? And that’s about it.
    There is nothing more to blob storage. This is the thing next is Kyu storage Secure Storage is basically a queuing service whenever you have
    to synchronize tasks. For example process one
    has to be done before process to and process to help it to be done before process 3.
    So what you can do is you can bundle these tasks in a sequential Manner and you can add
    it to the queue storage. Right? What the queue storage will do is it will actually hold these tasks according to the sequence that you entered, right?
    And whenever the queue storage is accessed it will give
    them only the first task now the second task is the third task first.

    So the way It functions is like this say for example, like I said
    the image processing application. I want to rename file first there won’t I
    want to add filters and then I want to store it on the file system.
    So these three tasks I will write it down and I will add it into the queue storage now.
    See these tasks will be done by my functions. All right.
    So what functions will do is it will try to interact with Q storage and last for a task, right?
    So Q storage will give the task to Functions in a very sequential
    manner in the sense that it will first give it the task to rename the file.
    So it will rename the file. Once that task
    is done. It will again try to xsq storage and then cute store has been given a task to filter the image or apply filter to the image,
    right then we’ll apply a filter to the image will be done with that
    and then it will try to again the to storage and then it will see that okay now it has to store that file
    in a file system which is specified the code right and it will pick that task do
    it. It and be done in the first file and then it
    again XS Q storage in the process goes on. Right?

    So basically Q storage is used to give a sequential manner to the processes that are trying to execute having said
    that this is a work queue storage then comes back up.
    So backup is a service where in you can store your in frequently accessed data, right?
    What is your in frequently accessed data could be for example in my company.
    We take a record of everything right we take our Out of every class that we do we take
    a record of every query that you guys raised now
    save the classes that were taken say like 2 years
    ago, right and as obviously I cannot delete those
    classes because they have to be kept for record. But what is the point of
    keeping them on my life hard drive because my life hard drive is where I do.

    My current tasks, right? So rather than keeping it on my life hard drive I say, okay.
    Let me keep it in a CD or a pen drive and keep it somewhere where I can take it out when I
    actually need them. Right? So this is the concept of taking a backup now similarly.

    If you want to take a backup in as your say you have
    your virtual machine and you have stored a lot of files on your virtual machine, but you think okay.
    I don’t need these files anymore. Or maybe I don’t need you file it as of now, I might them need them later.

    So why do spend that much on the stories that you’re taking on the
    virtual machine right rather than storing the in frequently accessed data.
    Why not put more frequently exist. So what you can do is the in frequently accessed data that you have
    in your machine on the cloud. You can actually take a backup of that and store it in the backup service.

    Now, why will you store it in the back of services?
    Because storage is more cheaper when you talk about the backup servers because obviously first of
    all, they’ll use magnetic tapes or they’ll use ssds or something like that to store your data now, why is it cheap is because obviously it has a downside that the response time of
    the time to retrieve the files from a backup service is obviously
    more. For example, if you are stored everything in your virtual machine, you can like go to that particular
    folder access that file and that is it right. But if you have stored in the backup
    service, the retrieval actually takes time, but it is worth
    it because you don’t use that file every day, right?

    You won’t be using it and also you’re paying less
    so it doesn’t pinch you that much because you’re paying less and you are not using that file very Yes, well, so why not put it in the backup service?
    So this is what the backup service is all about.
    Now today in our implementation. We are using the
    blob storage for obvious reasons that we I want to store
    my image files, right? So I not store it on the back up obviously and not show it in the
    queue storage As Told in the blobstore it because that is what that
    service is meant to do. Now. The next service from Azure is
    the MySQL service from Azure. It is basically a MySQL implementation on the LG.
    Our infrastructure was right, so you Can use any database you want another
    you have an SQL service, which is purely SQL. So if you’re comfortable with that, you can use it.
    I am using MySQL for my use case today because that is the way I
    have quoted my application to be right. So it is just personal choice.
    The next service that we are going to talk about is auto-scaling and load balancing.
    So like I said load balancing is when you want to equally distribute your Among the number of servers that
    are running that time and auto-scaling is actually scaling up the number of servers that you’re
    using according to the traffic that is coming onto your
    website. So you can actually set a metric that so many
    obviously when more traffic is coming onto your website your CPU utilization will increase because you
    have to process more requests now. Yeah, so your server will be
    processing more requests and that is the reason your CPU usage
    will He’s so you can actually set a metric. Let’s say my CPU usage when it increases 60 or 70% increase
    one more instance or increase three or four more inches
    high. So it is based on your personal use.
    So this is what order scaling is all about. And obviously when you using Auto scaling, the number
    of servers is changing constantly, you need a load balancer along with it,
    right the load balancer so that say you have six or
    seven servers which are running right now and say the traffic decreases and it sees okay now the sea Utilization is going down. So it will reduce
    the number of servers. Right? So when it will reduce the number
    of sources do load balancers should identify.
    Okay, though. They were seven servers before now there
    are like three so you’ll be Distributing the traffic according to those three servers, right?

    So the load balancer actually pays a very important role in the order scaling process
    having said that so this is how all this killing actually works.

    So say you have one server, right and the usage increases
    it goes on to become two servers and then again the usage increases it becomes 3 service right now when the users decreases these three servers can be reduced
    to one server or can be reduced to so so this is a diagram representation of what
    or scaling is. We talk about load balancer. Like I said, so load balancer is
    a very crucial part of Aura scaling process because load balancer is the part
    which actually distributes the traffic according to the number of servers that are running at that time.
    All right. So this is how the process Smokes the traffic comes on to
    the load balancer and the load balancer sees how many
    servers are running and distributes traffic according to that.
    All right. Okay. So we’re done with the services. These are the services that we’ll be using today.
    So now we will see how we can launch these services in the
    has ER user environment. So guys will talk about the Apsos first.
    We’ll see how we can launch an app service in the as your UI.
    Okay, let me show you the user interface for a year now.
    So guys this is how the user interface for as your looks like.
    You have all the services listed here on the left side.
    Right? And this is the dashboard. This is called the dashboard whatever Services you launch.
    You can pin it here for basically getting accessed quickly.
    It is just like a desktop on your computer which has
    all the shortcuts in everything and this is what the dashboard
    is actually used for. All right. Having said that let’s see
    how we can launch the app. So In Azure, so first you will click on app Services as you can see from here.

    You can click on app services and moving ahead. Once you
    have clicked on app Services. You will reach this plate click on create app services
    and then you’ll click on web app and that is it. Let me show you how you do that.
    So you’ll click on app Services click on create app Services you go down click
    on web app. And over here as you can see after this, you will reach the screen when you will see
    that you have four options. You can either code your website in.net PHP node.js or python.
    So if it is either of these four languages, you don’t have
    to do anything. You just have to upload your code in this web app
    that you’ll be creating and your app will be deployed automatically without installing any software without doing any configuration Justice, right?
    Okay. So once you have reached this page You will click on create.
    So let’s click on Create and then you will reach the screen.
    So now you have to give your application some name. So let us give us this name as in Eureka – 0 1 so see that everything is fine.
    So this subscription is pay-as-you-go Resource Group is something which you can create
    or you can use existing. So Resource Group is something it’s a group of all the resources, right?
    So if you put if you are it will be creating a storage.
    Count will be creating database account. We are creating an app.
    So it’s right. So all of this will come under one group.
    It can be clubbed in one group and will be called as resource for
    any changes that you want put across the group you can do
    to the resource Group. All right, we’ll be discussing in detail.
    What a resource Group is in the further modules, but for now all you should understand is that a group of resources is called a resource book.
    So if you have an application and just utilizing say three or four resources,
    it’s better to put those resources. Under one group.
    All right. So this is about that. Then you have the app service plan. So app service plan is something as in what
    kind of computers you use and everything.
    So let’s create a new plan for you so that you understand it better under the pricing tier.
    This is the main part that you have to select guys.
    You can select the app service plan it can give
    it some name. Let’s give it as a service – 1. All right, and
    this is my app service plan. You can select what kind of plan you need.
    Let me see. Like the basic plan as of now and
    click on select right and then click on OK.
    So this was about Apsos plan. You can click on application insights which basically gives
    you the monitoring tools for now. Let’s not discuss it.
    Let’s not go into it. We’d be discussing it later. And now let’s
    click on create. So I am taking the PIN to dashboard which will basically
    create a shortcut on a dashboard to this application comes in handy.
    And that’s it guys. You will click on create. Alright,
    so now my application is being created. Okay,
    so all right why my web app is deploying. Let me go back to my
    slide and let’s jump onto our next service which is blob storage.

    So like I said blob storage just like a file system. You need a file system to show your files, right?

    So that is what the blobster is all about. Let’s see how we can create a blob storage
    instance in Azure. So you will reach this is the dashboard you reach the screen.
    You will click on storage accounts. Once you have clicked on Story
    the council click on ADD. And that is it guys. Nothing much acquired.
    Let’s go ahead and do this I go here. I’ll click on storage
    accounts. I will reach the screen and click on ADD and I will start entering the values.
    So let’s give it the name called Eureka – 0 1 so this is
    taken. Let’s give it a name as well as your I do. Write this name is available.

    All right, the performance should be standard because this is a demo
    replication is not required. So I’ll say locally redundant Storage storage service encryption should
    not require secure transfer is not required and subscription is pay-as-you-go.
    Okay Resource Group. Let’s select a director – 0 1 because this is
    the resource Group that I selected earlier, right and let’s pin it to dashboard.
    click on create Alright, so my web app has been deployed already and my storage account is also being deployed.
    All right, so this was about it. Let’s go on. Let’s see for our
    MySQL. So for MySQL, let’s see what all we have to do.
    So we will click on you. We will click on databases and then we’ll click on as your
    database for MySQL. All right, and that is about it.
    Let’s go back and do that. So we’ll click
    on new. The search for as your database.
    for MySQL All right here this so I click on this and I’ll click on create.
    So here it is. I have to enter the server name.
    Let’s enter the server name as Eureka – 0 1 it is available.
    It’s good. The resource Group should be the same. So let’s select a riruka – 0 1
    so admin login name. Let’s give it as any Rekha password.
    Let’s give it any Rekha one, two, three, four confirm the password and Eureka
    one, two, three four, and it is asking me some special characters or let me add the special character
    as well. Okay. So basically you cannot have the login name and your password.
    So let me change the password to add you one two, three,
    four exclamation same in the confirmation. All right. So this is available.
    Now the location sounds introduced version is 5.7 pricing tier.
    Let me see if there is something more or less. All right.
    I think this I click on OK. Bennett dashboard and click on play.
    It’s pretty simple guys. You would know when you will do the Hands-On on yourself.
    So the pricing tier can be the minimum if you are using
    it for demo or if you’re creating an application, which is for global scale application huge
    can choose the pricing Theory according to that.
    Alright while it is deploying. Let’s move ahead. So let’s come onto the
    auto-scaling part now. So basically we have to configure our web app to order
    scale as and when required It so let’s see how we can do
    that. So let’s understand the types of Auto scaling first.

    So basically there are two types of scaling one is called
    horizontal scaling and one is called vertical scaling.

    So horizontal scaling is when you are increasing the number of servers that you require say, you
    don’t have an i7 server. For example. All right.
    Now the usage goes up so you take to i7 servers and if it again goes up
    you take 3i7 SOS, right. So this is what horizontal scaling is all about right?
    Let’s come onto vertical scaling now. So vertical scaling
    is when you are increasing the capacity or the configuration of your
    system say you were using an I3 system before right
    the traffic increases. So now you’re using an I-5 system the traffic increasing
    now you’re using the i7 system. So you are
    having only one machine but you’re increasing the configuration of your system, right?
    So these are the two Types of scaling which
    exists in auto-scaling also the other way is manual scaling so you can also manually scale up your in the number of instances or the configuration of your system.
    Right? So the way to do that is to manually go into the service change the pricing tier and you are
    said this is how you manually scale auto-scaling.
    I’m going to tell you in a couple of you slides. Also guys when you are auto-scaling like
    I said load balancing is Quickly attached to it. Alright, so when you would be orders killing in a web app, you don’t have to configure the load balancer.
    The load balancer is configured automatically and said automatically
    for you to be used right because it doesn’t make sense to use
    or scaling and not use load balancer. And that is the reason as your has automated the process of attaching a load balancer when you using orders Right
    Moving ahead guys. Let’s see how we can launch this instance.
    So guys first you will click on app Services.
    You will go to your particular. Instance that ER have launched you will go to scale out and
    you will click on enable auto scale. All right. So let’s do that.

    We will go to app Services which is here. So this is my
    instance. I have launched I click on idea raiga – 0 1 I’ll go
    down. And as you can see I have two options. I have scale up
    and I have scale out when I click on scale up.
    You see the pricing tier so I can increase the configuration of my system right?
    But this is not about what I want. I want to
    scale out which is I want to increase the number of instances running right now,
    right? So so it says Auto scale is not supported for basic
    chair of web apps. Okay, so let me change my configuration. Alright,
    so if I go to scale out now, you can see that I have the option to enable auto scale.
    So I will click on enable auto scale and then let’s give it a name.

    Let’s give it a name as any Rekha Auto. Alright, so my auto scaling property
    name is Erica Otto. The resource Group is a Eureka – 0 1 right.
    So now you have an option to Scale based
    on a metric which is based on some statistics.
    Like the CPUs is or the memory usage or anything.
    Right? And the other one is scaled to a specific instance count.
    So for example, whenever the traffic increases say you were one instance now like increased
    five instances. All right. So these are the two options will go with Scale based on a
    metric and scale out in scale in your instances based on Metric.

    All right. So let’s add a rule. Let’s add the rule as
    in what we want. What kind of metric do we want to?
    Monitor and scale according to right? So as you can see the time aggregation is not something we should be worried about.
    Okay guys, so these are all the metrics that you can actually monitor and scale according to you can scale according to the memory percentage.
    You can scale according to disc, uh dpq data in and out, right?

    So let’s for now keep it simple and scale according to CP percentage right time.
    I’m is not something you should be worried about and the operator.
    All right, so what should be the condition so should it be greater than or should it be greater than or equal to let’s keep
    it at greater than or equal to. So whenever the threshold is greater
    than a whenever the CPU Z will go greater than or equal to 70 for 10
    minutes so you can set this as say two minutes, right?

    Okay. Let’s see. It says that it should be between 5
    and 7 2000. Get let’s keep it at five increase count by.
    So let’s see what our options we have here.
    So you can increase by percentage. You can increase by
    count to as in if you were one. You can increase it to 10, right and you can decrease the
    count or you can decrease the person by as well.
    Alright, so when you are auto-scaling guys, you have to set two rules one is the rule to increase R.
    Obviously one rule is there to decrease so whenever the traffic goes
    down you have to decrease Reese your instances as well.
    So for now we are setting the increase rule so let’s set the increase count
    by option. So how many instances should increase I think one is a fair number and cooldown is
    something that is actually there when you are say you are
    asked you right now, right and then say you order scaled one minute back.
    And again the CPU usage goes up. So rather than going on and Filling up
    again. What you can do is you can wait for 5 minutes and watch the metrics right because it doesn’t happen in a second that your CPU usage will go down because there are a lot of services which are actually running right so you
    can beat once your new server has been deployed. You can wait
    for the traffic to be transferred to that server as well.
    And then you can see the metrics go down right for that.
    We keep something called cool down minutes, right?
    So we have the default is for Five, let’s keep it at five only and now this is it guys.

    There’s nothing else to configure. Let’s click on ADD. Alright, so as you can see, this rule has been said, let’s add one more rule to decrease.

    So the CPU percentage is fine. The operator should be less than or less than right.
    So whenever the threshold is less than 50% Decrees count by
    one instance and let the cool down be this much. Alright.
    So again, the cooldown logic goes here as well. Say you decrease an instance.
    And again your CPU is still low because it takes time for your traffic could to get transferred to
    the server number. It has the keys down to right. So let’s keep the cooldown in it.
    So we’ll click on our now. All right, so we have added the auto scaling group.
    Hello guys. This is a there’s nothing much to consider.

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  • Awesome issues here. I’m very glad to see your
    post. Thank you a lot and I’m having a look forward to touch you.
    Will you kindly drop me a e-mail?

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