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Sizing servers

 
Antonio Rafael Rodrigues
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Hello =)

The assignment tells that we have to provide the deployment diagram. I personally don't interpret that as a obligation of defining the machine size (memory quantity and processors), but reading in the forum most of people say that it's necessary to do so.

Well, do such of work isn't easy in real life. You can use any theory, the only effective way that I know is test. You have to deploy your solution and make load tests to get the most approximated hardware needed. In production times you are always monitoring it to identify if you overestimate or underestimate.

In the case of certification, where we have little information and no possibility of tests. How can we size the machines?Is there any book or paper that the people use to use to define these points?

Thanks in advance.
 
Jeanne Boyarsky
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Antonio,
I don't think it should have to be specified either. However, the study guides include this data so I didn't want to risk not writing it.

I used a combination of real world experience and internet research - what are the current specs for a decent server? How many do I want?
 
Antonio Rafael Rodrigues
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Hi Jeanne. Did you explain your decisions about sizing?
For exemple: I used 1GB for this server because the system will have 100 users and I estimate that only 30% of them will use the system at same time and each of them will have 20KB of session objects.

Or you just put the values?

Did you specify network boards too?

Thanks.
 
Jeanne Boyarsky
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I wrote a couple of sentences about why I chose those servers. (It was really high level though). I did not specify network boards.
 
Antonio Rafael Rodrigues
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Thank you for your replies Jeanne.
 
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