[Skunkworks] Estimating app growth

Raymond Rono raymond.rono at gmail.com
Fri Aug 14 15:28:17 EAT 2015


I believe you can be able to estimate the ratio of data usage between users
(user here to mean others who are not students?) and students (say 3:2).
>From there map it to a simultaneous equation and solve it.

On Fri, Aug 14, 2015 at 11:33 AM, geoffrey gitagia via skunkworks <
skunkworks at lists.my.co.ke> wrote:

> well the first thing you should work out is archiving and how your system
> sorts this out , then fully optimize the systems to be able to work
> optimally , being a  learning system (assumption) most of the data will
> stop growing since all that is changing is statuses , so your archive
> should be able to move students who have left and their data so that each
> year you're working only required data no reference data .
>
> Else for estimating this is what you need
>
> How many transactions does a student create in the system per month e.g.
> how many cats , assignment uploads , finall exams etc
>
> How much class work does the teacher upload every month/term (does this
> change and is it different per teacher in the same subject)
>
> the above will guide you to estimate that by the end of 1 yr 200 student
> transactions and 100 teachers transactions will have pushed data worth X Mbs
>
>
>
>
>
>
> On Fri, Aug 14, 2015 at 11:20 AM, Jangita via skunkworks <
> skunkworks at lists.my.co.ke> wrote:
>
>> Seems like a math direct proportion question from primary school :)
>>
>> Anyway, is the 6.3GB ONLY the database data students and users? Or does
>> it contain the operating system and supporting software (apache python,
>> mysql binaries etc). To estimate space, I normally let the product run for
>> several months and check daily/monthly usage. You might find that in
>> April/August (school holidays) the data doesn't expand that much.
>>
>> If your DB is structured correctly, space usage should be inversely
>> exponential for a selected client base (master tables) from what I've seen
>> of transactional systems (telecoms and banks)
>>
>> If I were you, I'd watch for some time,graph then estimate
>>
>> Centi zangu mbili
>>>>
>> On 14 August 2015 at 09:20, Peter Karunyu via skunkworks <
>> skunkworks at lists.my.co.ke> wrote:
>>
>>> Dear members,
>>> I am trying to estimate the projected hard disk space usage by a web
>>> app; assuming the said web app is a school software;
>>>
>>> *If 60 students and 40 users are using 6.3 GB of hard disk space, how
>>> many GBs will 100 students and 90 users use?*
>>>
>>> Or is there a better way to estimate growth?
>>>
>>> I am particularly at pains because students and users do not produce the
>>> same amount of data, therefore, I cant do 60+40 and use that. On the other
>>> hand, if I calculate for students kando and users kando, somehow that feels
>>> wrong because they will both use the same, well, hard disk...
>>>
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>>
>>
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>
>
>
> --
> GG
>
>
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