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Distributed systems, Lp 2 Ht11, TDA596/DIT240

Status: Avslutad
Öppen för svar: 2011-12-08 - 2011-12-22
Antal svar: 29
Procent av deltagarna som svarat: 12%
Kontaktperson: Åsa Samdell»

Your own effort

1. How many hours per week did you spend on this course?

We mean total time, that is, it comprises the time you spent in class and the time you spent on your own work. Try to estimate the average time over the entire study period.

29 svarande

At most 15 hours/week»13 44%
Around 20 hours/week»11 37%
Around 25 hours/week»3 10%
Around 30 hours/week»1 3%
At least 35 hours/week»1 3%

Genomsnitt: 1.82

- I have implemented distributed systems at work before, so I mostly just studied the algorithms. » (At most 15 hours/week)
- especially in the beginning there was little to do. Some exercices might be ok but some applied labs would be great. In another course we buildt a distributed music streaming site. I would like to apply the knowlage to a modern service.» (At most 15 hours/week)
- I would say I spend about 50 hours per week on this class.» (At least 35 hours/week)

2. How large part of the teaching offered did you attend?

29 svarande

0%»6 20%
25%»9 31%
50%»6 20%
75%»5 17%
100%»3 10%

Genomsnitt: 2.65

- Skipped all but the first lecture. Sorry. I felt that there was too much redundant information for me (I"ve taken real-time systems, secure and dependable computer systems, computer networks, computer security, was taking operating systems, etc etc... so I felt that I had much of this course covered)» (0%)
- Collison with other course» (0%)
- Unfortunately the lectures were very confusing and useless, so I stopped going after 1 or 2 lectures. I do not doubt the lecturer"s expertise on the subject matter, but his presentation skills are terrible. » (0%)
- All lectures did collide with the lectures in my other class and I attended them.» (0%)
- I was there the first few weeks, but the lectures were so terribly bad, there was simply no reason to go.» (25%)
- Lectures were really poor. Teacher cannot teach at all. Slides were a bit ugly and confusing + full of english grammar mistakes.» (25%)
- the teaching didn"t help very much » (25%)
- One of the few that actually did this. I don"t know if it was worth it.» (100%)

Goals and goal fulfilment

The course syllabus states the course goals in terms of learning outcomes, i.e., knowledge, skills and attitudes to be acquired by the student during the course.

3. How understandable are the course goals?

29 svarande

I have not seen/read the goals»7 24%
The goals are difficult to understand»5 17%
The goals give some guidance, but could be clearer»7 24%
The goals clearly describe what I am supposed to learn»10 34%

Genomsnitt: 2.68

4. Are the goals reasonable considering your background and the number of credits?

Answer this this question and the succeeding one, only if you do know the course goals.

22 svarande

No, the goals are set too low»2 9%
Yes, the goals seem reasonable»18 81%
No, the goals are set too high»2 9%

Genomsnitt: 2

- I do not know.» (?)
- I would like to build a modern distributed system. The labs didn"t feel like spotify, gmail or usher.» (No, the goals are set too low)

5. Did the examination assess whether you have reached the goals?

23 svarande

No, not at all»3 13%
To some extent»9 39%
Yes, definitely»4 17%
I don"t know/have not been examined yet»7 30%

Genomsnitt: 2.65

- Only a very small part of the teaching, lab assignments and exam was related to the course goals as specified. It was more like a course in Java and strange high level abstraction layers, than a course on distributed systems.» (No, not at all)
- Only about the course. Only stuffs you need to know by heart. Why not some exercises?» (No, not at all)
- there was a lot of facts, maybe a dugga would be good to take care of that. » (To some extent)
- I think it could have been more questions on the exam. It feel like I know a lot of things that was not asked for. The questions were too few and too precise. We learned a lot of algortithms, why not ask overview questions about some of them?» (To some extent)
- But why expecting so much implementation detail on algorithm, whereas if we implement them in real life, we will have the description in the hands» (Yes, definitely)
- Though I would have preferred the professor to prepare the exam rather than the teaching assistant. » (Yes, definitely)
- There was not enough time to prepare for the exam due to all the time it took to finish the labs. Maybe better to schedule the exam after christmas or one week later than it was scheduled?» (I don"t know/have not been examined yet)

Teaching and course administration

6. To what extent has the teaching been of help for your learning?

29 svarande

Small extent»20 68%
Some extent»5 17%
Large extent»3 10%
Great extent»1 3%

Genomsnitt: 1.48

- Not at all. The lecturer was very confusing and often plain wrong.» (Small extent)
- Lectures, nothing at all. You learn some content from the assignments, without saying that the assigmnets are good.» (Small extent)
- See above, the lectures were terrible, but the slides were fine. » (Small extent)
- Nice and friendly teacher but could definately improve his presentation/talking/English skills. It is difficult to listen to someone who does not finish the sentence and then starts a new one. Maybe the lessons should have been more prepared in advance by the teacher so the information could have been given more clear?» (Small extent)
- The lecturer was/is one of the worst ones I have during my time at Chalmers. I don"t doubt his knowledge on the subject, but he is not a teacher and does not at all seem to enjoy teching. He"s difficult to understand at times because of his bad English and sometimes he seems to confuse himself.» (Small extent)
- It might have been good, as the subjuct is fun. The lecurer might be competent to but I"m sorry to say that the lecturer should leave the leacturing to somebody else who has a clear voice and a spark.» (Small extent)
- The lectures can be improved very much. Very few students attend the lectures and maybe that can give a hint of that they are not very good.» (Small extent)

7. To what extent has the course literature and other material been of help for your learning?

29 svarande

Small extent»5 17%
Some extent»8 27%
Large extent»9 31%
Great extent»7 24%

Genomsnitt: 2.62

- did not buy the book.» (Small extent)
- Slides were good. Nice.» (Large extent)
- Learned the whole course by reading lecture notes. Tried going to some lectures but it was impossible to stay, so bad, so boring.» (Large extent)
- Good choice of book and slides.» (Large extent)
- The lecture slides are generally good. There are however some sections that are confusing and could be explained better. The pseudo codes given for different algorithms are also often very different (for example kerberos, the IBM atomic broadcast, simple storage, ...) and some can be very hard to read. Probably they are taken directly from relevant papers. I suggest that all of the algorithms be rewritten in a way that they will be more easy to read for us students, and use the same pseudo code style throughout the slides. It might also be possible to explain some things differently. The course book for example uses sequence diagrams to explain kerberos that are much more easy to understand than the code given in the slides (I did not understand the kerberos lecture slides, even after learning how kerberos works). Overall however I think the lecture notes are good, specially when combined with the course book and attending the lectures.» (Great extent)

8. How well did the course administration, web page, handouts etc work?

28 svarande

Very badly»0 0%
Rather badly»5 17%
Rather well»17 60%
Very well»6 21%

Genomsnitt: 3.03

- The lab pm"s could be clearer and more descriptive. This especially goes for the first lab.» (Rather well)
- the labs could have been more clear» (Rather well)
- Good homepage.» (Rather well)
- No complaints here. Good!» (Very well)

Study climate

9. How were the opportunities for asking questions and getting help?

29 svarande

Very poor»2 6%
Rather poor»5 17%
Rather good»11 37%
Very good»5 17%
I did not seek help»6 20%

Genomsnitt: 3.27

- unfortunately the lab assistants didn"t give the impression of knowing themselves how to solve the lab.» (Rather poor)
- Assistants are not efficient and productive.» (Rather poor)
- It felt like some supervision sessions needed more TAs. But in general it was OK I guess.» (Rather good)

10. How well has cooperation between you and your fellow students worked?

29 svarande

Very poorly»0 0%
Rather poorly»3 10%
Rather well»9 31%
Very well»16 55%
I did not seek cooperation»1 3%

Genomsnitt: 3.51

11. How was the course workload?

28 svarande

Too low»1 3%
Low»4 14%
Adequate»14 50%
High»6 21%
Too high»3 10%

Genomsnitt: 3.21

- We have covered a lot of chapters plus we had 3 assignments we had to complete. I wish we had less lectures and more lab assignments to do so that way we can get better hands on experience and be prepared for the real world.» (High)
- Too difficult lab !» (High)
- uneven loadbalance... very high at the end and thats just on the labs» (Too high)

12. How was the total workload this study period?

29 svarande

Too low»1 3%
Low»2 6%
Adequate»10 34%
High»8 27%
Too high»8 27%

Genomsnitt: 3.68

- Took too many courses... :)» (Too high)
- A lot of labs, little time...not enough time to study for exams. Maybe the exams could have been scheduled a week later? Around the 22th of Dec instead of around the 14th of Dec?» (Too high)

Summarizing questions

13. What is your general impression of the course?

29 svarande

Poor»10 34%
Fair»7 24%
Adequate»7 24%
Good»4 13%
Excellent»1 3%

Genomsnitt: 2.27

- Besides that the teached course content (technologies etc.) was partly rather outdated, especially the the slides were really poorly written with a lot of grammar errors e.g.» (Poor)
- Worst course ever in pretty much every way.» (Poor)
- Course content seems little bit outdated. Who cares about 20 years old technologies like CORBA, NFS etc.? Maybe it is important to know it, but I would appreciate more modern topics as well.» (Poor)
- Boring, slow. I"m sure Sven is a awesome on Distributed Systems but I truly doubt his teaching skills are adequate for one of the best technological universities in Sweden. Some english studies would do him great as well!» (Poor)
- it might have been so much better. It is a intressting subject, but it didn"t feel modern. Some more labs handling new tech and a didactically good teacher would be whats needed.» (Poor)
- Good course that made an interesting subject even more interesting,» (Good)

14. What should definitely be preserved to next year?

- The lab assignments»
- The labs are quite interesting.»
- the actual contents of the course as the headlines show at the start/in pm»
- exam»
- Everything should be preserved»
- Nothing.»
- I have heard few students complain that some of the material is very "old". I on the other hand appreciate learning basic foundations that will be the same for years to come. It is also learning how to think when dealing with distributed systems (clocks, etc) that will be very valuable. The Netsim algorithm assignments were very good as it made your really think about what was going on.»
- netsim labs, they were fun»
- Labs are quite good.»
- The assignments, even though some clarifications are needed in those handouts.»
- interesting labs so keep them but postpone the exams a week later so people have time to study for the exams.»
- The labs, lecture notes beforehand»
- Not anything particular impressed, but generally good»
- lecture notes?»

15. What should definitely be changed to next year?

- Less lectures»
- Make the lectures more engaging (although that might prove diffiicult).»
- new teacher alternatively that the teacher needs to learn english aswell as how to talk to a crowd»
- 2 lab work is enough»
- The professor should prepare the exam, not the teaching assistant. Because what we agreed with the professor was completely different from what the teaching assistant examined us on.»
- The slides should be revised in order to erase bad grammar and errors.»
- Teaching has to improve. Quite hard to understand at lecture, but more easy when reading.»
- Change the teacher, change the content of the course to make it more interesting.»
- Too small or too few assignments. The assistants did not have sufficient knowledge to help. They where also extremly slow to grade the assignmnets.»
- Some excitement, some interest of the subject teached in lectures. The will to teach the subject, some entusiasm. Distributed systems may not me the fanciest subject here on earth, but it can be done much better than this!»
- read previous»
- - The lecturer, - update more news on the homepage, - all distributed algorithms should be illustrated using Netsim for easier understanding»
- The pdf could be more specific»
- Slides and way of teaching.»
- The lecturer. And I think that the content of the course should be changed to include more recent technics and technologies. From the course this year we only touched on subjects that are from the 70"s and 80"s, and I"m quite sure there"s been a lot of research done on Distributed Systems and I believe that it is the future of computing, in some extent.»
- labs was fun but should start earlier, week 2? one more modern lab would be nice. lecturer should be changed.»
- lectures»

16. Additional comments

- laborations should be changed in their layouts as using CORBA without pointers is pointless and will not teach anyone anything as in the end we will jsut copy what the supervisors say anyway... the teacher needs to learn english+how to speak properly»
- I probably would have preferred to do more CORBA and less Netsim in the assignments. I don"t like to work with theoretical frameworks that have no practical relevance, though I acknowledge that Netsim is a nice testbed for distributed algorithms.»
- - The lectures were bad. - What presented in the lecture for Cobra is way too little to be able to understand how it really works and to complete the lab 1»
- as we no longer read computer security before this course we need the security lecutre. Much of the secure and dependable is in the new masters program read as the first course.»

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