[Distributed_systems] ?==?utf-8?q? week 8?

Sun Apr 5 16:35:42 CEST 2020

Hi Peter,

Thanks for the video. I am going to use it in my class.

1. Please, use the practice_en folder for the English material according to the structure in the Hungarian folder.
2. I am updating the lab exercises README.

Regards,
Mark 

2020 Április 5, Vasárnap 13:53 CEST dátummal, Grünwald Péter <grunci at gmail.com> ezt írta: 

> Hi Mark,
> At the moment the video is uploaded to the staff team in Teams.
> You can find it in the files section under General channel.
> 
> I will add the translation to SVN. Can I update your Readme file?
> 
> Regards,
> Peter
> 
> Török Márk <tmark at caesar.elte.hu> ezt írta (időpont: 2020. ápr. 5., Vas
> 13:43):
> 
> > Hi Peter,
> >
> > Very nice, can you please put these translations to the repo, so English
> > speaker colleagues can use them.
> > Most of my exercises based on Robi's list with additional info that can
> > help students go through them by themselves.
> >
> > Where can we find the videos?
> >
> > 1. We should give the videos to students a week before our class with some
> > homework.
> > 2. At the lab, they can ask and if needed, we give a solution for them.
> >
> > Regards,
> > Mark
> >
> >
> > 2020 Április 5, Vasárnap 12:25 CEST dátummal, Grünwald Péter <
> > grunci at gmail.com> ezt írta:
> >
> > > Hi,
> > >
> > > To be honest, I think Márk has really good tasks in this area:
> > > I have added an English translation to the tasks:
> > >
> > > ---
> > >
> > > Készíts olyan chat alkalmazást, amelyben a két kliensnek nem kell
> > egymásra
> > > várnia soronként, hanem bármikor beszélhetnek egymáshoz, és ez azonnal
> > > kiíródik a másik kliensnél. `AsyncChatServer.java` és
> > `AsyncChatClient.java`
> > > *Create a chat application, where the two clients don't have to wait for
> > > each other. Instead, they can talk to each other anytime, and their
> > message
> > > immediately printed at the other client.*
> > > ---
> > >
> > > Készíts chat szervert, amelyhez tetszőleges számú kliens kapcsolódhat,
> > > illetve bármikor bonthatják is a kapcsolatot. Minden kliens először a
> > nevét
> > > közli egy sorban. A kliensek bármikor beszélhessenek, ami azonnal íródjon
> > > ki minden kapcsolódott kliensnél. `NamedChatServer.java` és
> > > `NamedChatClient.java`
> > > *Create a chat server, where any number of clients can join, and they can
> > > disconnect any time. Every client first sends its name. Clients can talk
> > > any time, and the message of a client shall be printed out at every other
> > > client.*
> > >
> > > ---
> > >
> > > Adott két szerver. Az első szerver két parancssori paramétere egy cím és
> > > port, melyen egy második szerverhez tud csatlakozni, és névként a
> > `server`
> > > szót küldi át, melyből a másik szerver tudja, hogy szerver kapcsolódott
> > > hozzá. A kliensek csatlakoznak tetszőlegesen egyik vagy másik szerverhez,
> > > melyekre üzeneteket küldenek. Ha egy kliens az üzenetét elküldte egy
> > > szervernek, akkor az a másik szerverhez átküldi azt, amelyik továbbítja
> > > azokat a hozzá csatlakozó kliensek számára. `MultiChatServer.java` és
> > > `MultiChatClient.java`
> > >
> > > *There are 2 servers. The first server can be started with an address
> > and a
> > > port as command line argument. These arguments are used to connect to
> > > another server, with server as a name. The other server knows from this
> > > name, that a server is connected to it. Clients can connect to any of the
> > > servers, and send messages. When a client sends a message to server, it
> > > sends it to the another server, which broadcasts it to all its clients.*
> > >
> > > ---
> > >
> > > So here is my plan:
> > > *Please note, that my class is 10-12 Monday.*
> > >
> > > 1) Give the video to the student. Latest this evening
> > > 2) First exercise is the one which the video is about. *I agree with
> > Tamás,
> > > that it could be homework, but I hardly think, students would be ready
> > with
> > > it by tomorrow morning.*
> > > 3) Once this task is done, they would get the next two tasks.
> > > 4)Of course, there are faster and slower people in the class. I would
> > like
> > > to post these tasks in BEAD. (I have already asked Artúr to create the
> > > group for me) I don't say, I will go through each and every solution,
> > > because it is a lot of time and effort. But I would like to give the
> >
> > > students the feeling, that they need to work, and they get real
> > assignments
> > > during the class.
> > > 5) And I would give 20-30 minutes for each task for them to complete.
> > Then
> > > I would go to *demo mode, and show them the tricky parts.*
> > >
> > >
> > > *What do you think?*
> > >
> > >
> > >
> > > Regards,
> > > Peter
> > >
> > > On Fri, Apr 3, 2020 at 11:39 AM Lukács Dániel <dlukacs at caesar.elte.hu>
> > > wrote:
> > >
> > > > Hi!
> > > >
> > > > Thank you for being on time! :) I watched the video just now, I think
> > the
> > > > quality is good overall! I noticed maybe a few breaks that could be
> > edited
> > > > out before the final release, but let's see if the others find it
> > > > necessary. I appreciated the figures, and that you point to the words
> > you
> > > > talk about.
> > > >
> > > > So the content is an introduction of the task of parallelizing the chat
> > > > server and chat client with some code examples.
> > > >
> > > > What's your plan for the students (and instructors) to do during the
> > class?
> > > >
> > > > Thanks,
> > > > Dániel
> > > >
> > > >
> > > > On 4/2/20 10:52 PM, Grünwald Péter wrote:
> > > >
> > > > Hi,
> > > > I have created a video. It is 10:41 minutes long.
> > > > I have just uploaded it in Teams.
> > > >
> > > >
> > https://ikelte.sharepoint.com/sites/DistributedSystemsStaff2/Megosztott%20dokumentumok/General/2020-04-02%2022-34-21.mkv
> > > >
> > > >
> > > > Please check it, and come back with comments. I am sure, you will have
> > > > some :)
> > > > I would like to thank a lot to Márk, as I used his implementations for
> > the
> > > > demonstration. Thanks! :)
> > > >
> > > > Let's collect the comments, and then I can create a new video if
> > needed.
> > > > Regards,
> > > > Peter
> > > >
> > > > On Thu, Apr 2, 2020 at 9:45 PM Lukács Dániel <dlukacs at caesar.elte.hu>
> > > > wrote:
> > > >
> > > >> Hi!
> > > >>
> > > >> Superb! It should be Hungarian. I will translate it to Charles.
> > > >>
> > > >> Dániel
> > > >>
> > > >>
> > > >> On 4/2/20 9:42 PM, Grünwald Péter wrote:
> > > >>
> > > >> Hi,
> > > >> Sorry, that I forgot to ask:
> > > >> What should be the language of the video?
> > > >> Hungarian or English?
> > > >>
> > > >> I am about to start the recording :)
> > > >>
> > > >> Regards,
> > > >> Peter
> > > >>
> > > >> On Thu, Apr 2, 2020 at 11:37 AM Lukács Dániel <dlukacs at caesar.elte.hu
> > >
> > > >> wrote:
> > > >>
> > > >>> Hi Péter,
> > > >>>
> > > >>> Thank you, that would be perfect! I think the easiest way to share a
> > > >>> working copy internally is to simply upload it as a file to the
> > Staff team.
> > > >>> Each of us already has access there, and it's very easy to reupload
> > new
> > > >>> versions if needed.
> > > >>>
> > > >>> Dániel
> > > >>>
> > > >>>
> > > >>> On 4/2/20 8:27 AM, Grünwald Péter wrote:
> > > >>>
> > > >>> Hi,
> > > >>> I will be able to work on my video today evening, so most probably it
> > > >>> will be ready for tomorrow morning, or late this night.
> > > >>>
> > > >>> The reason I am not really available on Team is, that at Ericsson we
> > > >>> also use Teams, and I cannot be logged in with 2 different accounts.
> > So I
> > > >>> always need to swap.
> > > >>>
> > > >>> Regards,
> > > >>> Peter
> > > >>>
> > > >>> On Mon, Mar 30, 2020 at 8:30 PM Török Márk <tmark at caesar.elte.hu>
> > wrote:
> > > >>>
> > > >>>> Hi All,
> > > >>>>
> > > >>>> Do we have a streaming server? Where can we store these videos and
> > how
> > > >>>> can we make them available for students?
> > > >>>>
> > > >>>> Thank you,
> > > >>>> Mark
> > > >>>>
> > > >>>>
> > > >>>> 2020 Március 30, Hétfő 14:25 CEST dátummal, Lukács Dániel <
> > > >>>> dlukacs at caesar.elte.hu> ezt írta:
> > > >>>>
> > > >>>> > Hi!
> > > >>>> >
> > > >>>> > That's awesome! :) I think most of us are new to this, so it's
> > still
> > > >>>> all
> > > >>>> > experimental.
> > > >>>> >
> > > >>>> > The length should be around 20 minutes. Maybe less, but definitely
> > > >>>> not
> > > >>>> > more.
> > > >>>> >
> > > >>>> > I guess the topic is mostly up to you (until it's multithreaded
> > > >>>> servers
> > > >>>> > :)), but if you need a plan:
> > > >>>> >
> > > >>>> >   * The *video* could be some theory intro and a demo about moving
> > > >>>> from
> > > >>>> >     iterative server to multithreaded server. (With iterative
> > server,
> > > >>>> >     one client has to wait until the other client finished
> > > >>>> >     communication. Threads can solve this problem.) If you don't
> > want
> > > >>>> to
> > > >>>> >     code everything from scratch, it may be a good idea to create
> > a
> > > >>>> >     supplementary handout and refer to that in the video.

> > > >>>> >   * During class they could implement Robi's chat server and chat
> > > >>>> client
> > > >>>> >     during *class*. They will need a detailed assignment text for
> > > >>>> this.
> > > >>>> >     As Robi said, a demo (or written instruction) could be
> > necessary
> > > >>>>
> > > >>>> >     here if there are difficult or unexpected or tricky
> > operations.
> > > >>>> >   * Finally, they could solve Robi's HTTP server for *homework*.
> > They
> > > >>>> >     will need a detailed assignment text for this.
> > > >>>> >
> > > >>>> > If they have this down, then week 9 could be about implementing
> > > >>>> > ping-pong and avoiding deadlocks.
> > > >>>> >
> > > >>>> > Is it realistic for you to finish the video until Thursday night?
> > We
> > > >>>> > could then review it on Friday and publish it, so students would
> > have
> > > >>>> > time to watch it during the weekend.
> > > >>>> >
> > > >>>> > Bests,
> > > >>>> >
> > > >>>> > Dániel
> > > >>>> >
> > > >>>> >
> > > >>>> > On 3/30/20 10:17 AM, Grünwald Péter wrote:
> > > >>>> > > Sziasztok!
> > > >>>> > >
> > > >>>> > > Hát ilyen videót még nem csináltam, de megpróbálom.
> > > >>>> > > Milyen hosszú legyen?
> > > >>>> > > Milyen témákat tárgyaljon pontosan?
> > > >>>> > >
> > > >>>> > > Üdv,
> > > >>>> > > Péter
> > > >>>> > >
> > > >>>> > > On Sun, Mar 29, 2020 at 1:16 PM Lukács Dániel <
> > > >>>> dlukacs at caesar.elte.hu
> > > >>>> > > <mailto:dlukacs at caesar.elte.hu>> wrote:
> > > >>>> > >
> > > >>>> > >     Dear All,
> > > >>>> > >
> > > >>>> > >     No one signed up yet for preparing teaching materials for
> > week
> > > >>>> 8 (the
> > > >>>> > >     one starting on April 6). The topic is Multithreaded
> > > >>>> client-server 1.
> > > >>>> > >
> > > >>>> > >     I would do it because new topics are usually easier, but I'm
> > > >>>> already
> > > >>>> > >     working on the large assignment :(
> > > >>>> > >
> > > >>>> > >     Péter, is it possible for you to prepare the materials for
> > week
> > > >>>> 8?
> > > >>>> > >
> > > >>>> > >     Dániel
> > > >>>> > >
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>
> > > >>>>
> >
> >
> >
> >
> >