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Re: My explanation about USL ...

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  Re: My explanation about USL ... fir <profesor.fir@gmail.com> - 2016-04-08 15:15 -0700

#6439 — Re: My explanation about USL ...

W dniu piątek, 8 kwietnia 2016 23:34:02 UTC+2 użytkownik Ramine napisał:
> 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-scalability-law/
> 
> 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? 

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