comp.programming

kenobi

4/8/2016 10:15:00 PM

W dniu piatek, 8 kwietnia 2016 23:34:02 UTC+2 uzytkownik Ramine napisal:
> Hello,
>
>
> You have seen me posting about my USL for Delphi and FreePascal,
> and i want to make clear my explanation..
>
> If you download this free ebook and read it, here it is:
>
> https://www.vividcortex.com/resources/universal-scalab...
>
> You will notice that he is calculating mathematically the response
> time of a database system of a type of transactions that is the "Read"
> transactions and he is modeling and predicting the Scalability with
> Universal scalability Law (USL), but i don't think that his way is a
> better way to look at those database systems, because when
> you put and expose the database system to internet and to database
> queries from internet and the web , the inter-arrivals distribution of
> the transactions will be Markovian and the service time of the database
> system will be hyper-exponential, and this will complexify the
> modeling of the overall system including the database system,
> so what is then the solution ? i have given you a solution
> that contains an approximation of an the hyper-exponential
> service of he database system with an M/M/c queue using
> queuing mathematical theory when the the load of the database system
> is read-mostly , the approximation works when the "delete"
> and "write" database transactions are less or equal to 30% of the
> overall transactions , but this is not the end of the story ,
> you have also to control the waiting time of the internet
> users programmaticly to be able to limit the waiting time
> of the users for a better QoS, and i have spook about that on
> my previous posts, so my USL programs permit us to predict
> scalabilityand to optimize the criterion of the cost for a
> better QoS and my previous modeling of an Ecommerce that i have
> showed you before using queuing theory and my suggestions about
> how to control and limit the waiting-time of the internet
> users is a good way to follow.
>
>
>
> Thank you,
> Amine Moulay Ramdane.

get off stupid spamer, how many trash will you generate
on such things three hundred spams a year?