PostgreSQL normally uses a small buffer, leaving it to the operating system buffer manager to manage the
Question:
PostgreSQL normally uses a small buffer, leaving it to the operating system buffer manager to manage the rest of the main memory available for file system buffering. Explain (a) what is the benefit of this approach, and (b) one key limitation of this approach.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 44% (9 reviews)
Question a The benefit of this approach is that it allows the operating sy...View the full answer
Answered By
Milbert Deomampo
I have been tutoring for over 3 years and have experience with a variety of students, from those who are struggling to keep up with their class to those who are looking to get ahead. I specialize in English and writing, but I am also proficient in math and science. I am patient and adaptable, and I work with each student to find the best methods for them to learn and retain the material.
0.00
0 Reviews
10+ Question Solved
Related Book For
Database System Concepts
ISBN: 9780078022159
7th Edition
Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan
Question Posted:
Students also viewed these Computer science questions
-
A computer system contains a main memory of 32K 16-bit words. It also has a 4Kword cache divided into four-line sets with 64 words per line. Assume that the cache is initially empty. The processor...
-
Explain the main differences between a file processing system and a database system.
-
The Ajax Company uses a portfolio approach to manage their research and development (R&D) projects. Ajax wants to keep a mix of projects to balance the expected return and risk profiles of their R&D...
-
A palindrome is a string that is the same backward as it is forward. For example,tot and otto are rather short palindromes. Write a program that lets a user enter a string and that passes to a bool...
-
Exercises 17, formulate the null and alternative hypotheses for a hypothesis test. State clearly the two possible conclusions that address the given claim. The Chief Operations Officer of a medical...
-
If tax rates are changing over time, do pension accounts dominate tax exempt savings accounts?
-
Differentiate technology from methodology and from method. Can you come up with an example that differentiates these concepts in a specific context, perhaps software development?
-
Exhibit 4.21 presents selected operating data for three retailers for a recent year. Macys operates several department store chains selling consumer products such as brand-name clothing, china,...
-
At Hertz, the cost per day to rent a full-size car is $49.99, plus $0.12 per kilometer. What is the charge to rent this car for two days if you drive 1544.6 kilometers? Question 16 options
-
During the month of June, Bon Voyage Travel recorded the following transactions: 1. Owners invested $25,000 in cash to start the business. They received common stock. 2. The month's rent of $500 was...
-
Standard buffer managers assume each block is of the same size and costs the same to read. Consider a buffer manager that, instead of LRU, uses the rate of reference to objects, that is, how often an...
-
Suppose your university has a very large number of takes records, accumulated over many years. Explain how table partitioning can be done on the takes relation, and what benefits it could offer....
-
Financial items for George Karatsis IT Services on 31 May 2024 are presented below in alphabetical order. Required (a) Prepare a statement of financial position similar to the one in figure 2.2. (b)...
-
Review any planning checklist for business messages. Which of these steps do you consider, and which do you not stop to think over as you write your message? If you do not use a checklist like this,...
-
List the 7 GHG Standards: When we work on our Project with MSA to develop a strategy regarding their Scope 3 emissions, which of the 7 Standards would be most applicable? What is the difference...
-
What is the main difference between average physical and marginal physical product? Give an example of marginal physical property.
-
How do individual and institutional forms of discrimination contribute to the perpetuation of social inequality and racism within society?
-
Explain LIFO.? What is the purpose of LIFO? Use the Thor Industries Case Document to fill in the highlighted cells for 2008. Thor and Winnebago use the LIFO inventory method and Skyline uses the FIFO...
-
The time between high and low tide in a river harbor is approximately 7 h. The high-tide depth of 16 ft occurs at noon and the average harbor depth is 11 ft. a. Write an equation modeling this...
-
What is the back work ratio? What are typical back work ratio values for gas-turbine engines?
-
Suppose that we have made kn total accesses to the elements in a list L of n elements, for some integer k 1. What are the minimum and maximum number of elements that have been accessed fewer than k...
-
Given the set of element {a,b,c,d,e, f } stored in a list, show the final state of the list, assuming we use the move-to-front heuristic and access the elements according to the following sequence:...
-
The java.util.Collection interface includes a method, clear( ), that removes all elements from a collection. Implement such a method in the ArrayList class of Section 7.2.
-
1. Explain why all of the following values are equal. What is the value shown in each line below? 9-2 9-x-y 1 dzdydx 9-x2-y2 /9-y2 9-y2-22 2 1 dxdzdy 9-y2 8 3 9-x c9-xz 70 1 dydzdx
-
1. A Pleasant Evening with Delta "functions" Let's define the Dirac delta "function" 8(x) by the property for "well-behaved" functions f. [ (x)6(x) dx = (0), (a) Consider the family of box functions....
-
c) Show that 2x+1 x (x+1) 1-2x2 = 2x + Hence, evaluate xx+1) S 2x+1 dx by first expressing the integrand as sum of partial fractions.
Study smarter with the SolutionInn App