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1. What is the best page size if entries now become 128 bytes?
2. Based on 5.10.1, what is the best page size if pages are half full?
3. Based on 5.10.2, what is the best page size if using a modern disk with a 3 ms latency and 100 MB/s transfer rate? Explain why future servers are likely to have larger pages.
Keeping "frequently used" (or "hot") pages in DRAM can save disk accesses, but how do we determine the exact meaning of "frequently used" for a given system? Data engineers use the cost ratio between DRAM and disk access to quantify the reuse time threshold for hot pages. The cost of a disk access is $Disk/accesses_per_sec, while the cost to keep a page in DRAM is $DRAM_MiB/page_size. Th e typical DRAM and disk costs and typical database page sizes at several time points are listed below:
CS433: Computer Architecture - Spring 2014, Assume a new execution mode called "enhanced mode" provides a 1.5x speedup to the sections of programs where it applies. What percentage of a program (measured by original execution time) must run in en..
How would you carry out the practical pricing of this option?
Network diagram says "EIGRP", but instructions are to use OSPF. Network diagram shows subinterface numbers as ".1", ".2" or ".3", but instructions say that the DLCI numbers ".102", ".103", etc, should always be used as the subin..
Imagine that you are a senior data warehouse architect for LECAL Corporation. Your company has been contracted by the U.S. Department of Education to develop a data warehouse which will track student performance on a series of planned nationwide ..
What is usually used for displaying information at public places? Junk e-mail is also called?
Study the following Python code. This code adds two numbers. Then increments each number by 1 and displays the result: (input("Enter the value for x:"))
Write a range Query function for a B-tree in pseudo code. (See Exercise 3 of Chapter 19 .) Assume that only the key values are needed (as opposed to the entire data record).
The output should indicate the position where the first offending parenthesis is found if the string is not properly nested and balanced. Use a stack to track the left parenthesis.
Let's talk about the Cohesion and Convergence of the European Union. The effects of enlargement Socio-economic supports
Convert decimal number +25 and +3 in 16-bit binary. Illustrate your work. Add binary numbers in above question using rules for binary addition.
Determine the coefficient of static friction between the friction pad at A and ground if the inclination of the ladder isθ = 60 ° and the wall at B is smooth.
Should employees have the right to the expectation of privacy while using an employer's computer workstation? Why or why not? How far should an employer be able to take their investigation of off-work but online habits of employees? Should off..
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