Apache Spark: a. How does Apache Spark perform computations in parallel? b. Explain the statement: Apache Spark

Question:

Apache Spark:

a. How does Apache Spark perform computations in parallel?

b. Explain the statement: “Apache Spark performs transformations on RDDs in a lazy manner.”

c. What are some of the benefits of lazy evaluation of operations in Apache Spark?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Database System Concepts

ISBN: 9780078022159

7th Edition

Authors: Abraham Silberschatz, Henry F. Korth, S. Sudarshan

See More Books

Question Posted: Jun 13, 2022 07:22 AM

See More Questions

What are some of the benefits of a centralized database architecture? What are some of the difficulties in moving from multiple databases or files to a centralized database structure?
What are some of the benefits and drawbacks of using celebrity testimonials in advertising? Identify an ad you believe makes effective use of a celebrity's endorsement, and explain why.
What are some of the benefits to obtaining a degree in accounting? What is the difference between a career in public accounting and private accounting? What are some of the traditional careers of...
Besides warehouse layout decisions, what are some other applications where ranking items according to bang/buck might make sense?
Repeat Exercise 17 assuming that the sample size is doubled to 10,000. Given that the large cost and effort of conducting the Nielsen survey would be doubled, does this increase in sample size appear...
Describe the formation of coal.
A rectangular channel $3 \mathrm{~m}$ wide carries $10 \mathrm{~m}^{3} / \mathrm{s}$ at a depth of $2 \mathrm{~m}$. Is the flow subcritical or supercritical? For the same flowrate, what depth...
Alternative Distributor Corp., a distributor of groceries and related products, is headquartered in Medford, Massachusetts. During a recent audit, Alternative Distributor Corp. was advised that...
A physics 11 student decides to test the theory of gravity by riding his bike off a building with horizontal roof. However, being a smart student he checks his landing area and discovers that there...
Mr B aged 52 years, has earned rupees 75,00,000 out of his business. His ex-wife gifted him a car worth rupees 8 lakh. He spent a total of rupees 20 lakh during a family trip. He won a lottery of 16...
Suppose you wish to store utility bills for a large number of users, where each bill is identified by a customer ID and a date. How would you store the bills in a key-value store that supports range...
Suppose you wish to model the university schema as a graph. For each of the following relations, explain whether the relation would be modeled as a node or as an edge: (i) student (ii) instructor...
Why are bonds generally considered to be relatively safe investments compared to stocks?
Q 12. A mass m of a particle moves along Hyperboloid (shown below) at a time t find the equation of motion of a particle using "E. Lagrange's equations of motion" HYPERBOLOID x + y-22 = 1 z = r2-1 p=...
Learning Curves and Production Costs. A company's new process will be carried out in one department. The production process has an expected learn- ing curve of 80 percent. The costs subject to the...
It is desired to just able to slip the 16.0 mm diameter glass marble through an aluminum washer. At 20.0 , the inner diameter of the washer is 15.98 mm. To what temperature should the aluminum washer...
What is Cullumber's times interest earned for 2025? Cullumber Company's 2025 financial statements contain the following selected data: Income taxes $44000 Interest expense 24000 Net income 56800
Use the Following metrics to perform the operation, if possible. A = F2-12 1 3 0 1 2 3 B 1 1 2 3 5 3-3 L0323 Find 2A-3B
Repeat the calculations in Example 1 using a cubic runout spline to interpolate the five data points. Temperature ( C) Density (g/cm) 99815 99987 99973 99823 -10 10 20 30 99567
Prove the formula for (d/dx)(cos-1x) by the same method as for (d/dx)(sin-1x).
The indented parenthetic representation of a tree T is a variation of the parenthetic representation of T (see Code Fragment 8.26) that uses indentation and line breaks as illustrated in Figure 8.22....
Let T be a tree with n positions. Define the lowest common ancestor (LCA) between two positions p and q as the lowest position in T that has both p and q as descendants (where we allow a position to...
Let the rank of a position p during a traversal be defined such that the first element visited has rank 1, the second element visited has rank 2, and so on. For each position p in a tree T, let...
Find the future value and interest earned if $8904.56 is invested for 7 years at 5% compounded (a) semiannually and (b) continuously. (a) The future value when interest is compounded semiannually is...
A consultant advises that a fund pays out $100,000 at the end of 5 years. Provided $12,000 is invested in the fund at the start of each year, beginning immediately and continuing up to and including...
Durco Automotive needs a $2 million balance in its contingency fund 3 years from now. The chief financial officer (CFO) wants to know how much to deposit now into Durco's high-yield investment...

Apache Spark: a. How does Apache Spark perform computations in parallel? b. Explain the statement: Apache Spark

Question:

Step by Step Answer:

a Apache Spark uses a technique called Resilient Distributed Datasets RDDs to perform computations i...View the full answer

Database System Concepts

Students also viewed these Computer science questions