[Sugar-devel] Impact of the Sugarizer School Box | Rishabh Nambiar |

[Rishabh Nambiar]

That's great, I'll keep an eye out for the release and we should definitely include Turtle/Music Blocks! :)

-Rishabh
‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On March 4, 2018 8:30 PM, Walter Bender <walter.bender at gmail.com> wrote:

> Might be nice to include an instance of the Turtle/Music blocks server as well. We are preparing a new release of the server/clients over the next few days.
>
> -walter
>
> On Sat, Mar 3, 2018 at 3:51 PM, Rishabh Nambiar <rishabhn at protonmail.com> wrote:
>
>> Thank you so much for the detailed insight and the metrics, Tony.
>> All of this information will be extremely valuable for me while thinking of my proposal.
>> I'll dive into workload characterization and keep you posted as this is of interest to you, thank you so much for your time :)
>>
>> Rishabh.
>>
>> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
>> On March 3, 2018 9:33 AM, Tony Anderson <tony_anderson at usa.net> wrote:
>>
>>> This is exactly how the xsce server works so you may get valuable help from that community (xsce or iiab).
>>>
>>> A continuing issue is performance of the server in a classroom or school. One metric is the number of simultaneous connections the device can support (a classroom of 40-60 is not uncommon). Response time to requests to the server can be limited by the size of memory, the speed of access to the sd card, or the processor speed. I would be very interested in the methodology you propose since that process would apply equally to the schoolserver.
>>>
>>> One issue is to characterize the workload - how often does a user request a transaction from the server, what is the time between requests (when the user is reading the response to the previous request), how much processing is required for a request (e.g. a text search), how much information is required to satisfy a request (e.g. size of file download). So far as I know no one has attempted this characterization for a classroom. This load could be different for Sugarizer than for Sugar, but the effort would be valuable in any case).
>>>
>>> Tony
>>>
>>> On Friday, 02 March, 2018 11:16 PM, Rishabh Nambiar wrote:
>>>
>>>> Hi everyone,
>>>> I had a quick chat with Michaël about moving forward with this GSoC project where he mentioned that the impact of the project should be discussed with the community:
>>>>
>>>> http://lists.sugarlabs.org/archive/sugar-devel/2018-February/055078.html
>>>>
>>>> http://lists.sugarlabs.org/archive/sugar-devel/2018-February/055079.html
>>>>
>>>> Impact of the Sugarizer School Box
>>>>
>>>> An instructor walks into a classroom, equipped with a Raspberry Pi 3 or Zero W with a pre-installed version of the proposed Sugarizer School Box distribution that Sugar Labs will be working on.
>>>> He/she simply connects the Pi to a power supply and instantly, a local WiFi network is set up, a Sugarizer server session starts automatically and they’re ready to go!
>>>>
>>>> Students can log in to the WiFi AP made by the Pi and visit sugarizer.org (any other fixed url) on their local tablets/laptops/phones. So any computer connected to this WiFi can use the Sugarizer client and any tablet/phone with Sugarizer apps will benefit from the collaboration and backup features on the server. All of these student devices will be served by the Pi Wifi AP.
>>>>
>>>> Issues
>>>>
>>>> Processing Power
>>>>
>>>> We’ll have to see how the Pi’s can cope with the load of serving multiple students along with the overhead of running a browser session for a client and the connected display.
>>>> I have a Raspberry Pi B+ and a Pi Zero W at my disposal that I can use to test this so I’ll post the results of combining sugarizer-server and a WiFi AP soon. It should do the job as we will not be having too many students on one Pi.
>>>>
>>>> Network Limitations
>>>>
>>>> It's a straightforward process to set up a local AP for the Pi with the sugarizer-server running but if there is a need for Internet connectivity, then we'll have to set up an Ethernet bridge to make this possible which is also not very complicated.
>>>>
>>>> UX
>>>>
>>>> The setup process in a classroom should ideally just be connecting the Pi to a power supply.
>>>> Minor UX features like an auto-redirect to sugarizer.org after connecting to the WiFi AP can be implemented.
>>>>
>>>> If anyone from the community has any opinions or concerns about how any part of the School Box experience should be, then that’d be awesome.
>>>>
>>>> Regards,
>>>> Rishabh Nambiar.
>>>>
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>>
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> --
> Walter Bender
> Sugar Labs
> http://www.sugarlabs.org
> http://www.sugarlabs.org
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