Which of the following statements is correct? a. DataNodes in HDFS store a registry of metadata. b.

Question:

Which of the following statements is correct?

a. DataNodes in HDFS store a registry of metadata.

b. The HDFS NameNode sends regular heartbeat messages to its DataNodes.

c. HDFS is composed of a NameNode, DataNodes, and an optional SecondaryNameNode.

d. Both the SecondaryNameNode and primary NameNode can simultaneously handle requests from clients.

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

Step by Step Answer:

Related Book For book-img-for-question

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

ISBN: 9781107186125

1st Edition

Authors: Wilfried Lemahieu, Seppe Vanden Broucke, Bart Baesens

See More Books

Question Posted: Dec 16, 2023 03:51 AM

See More Questions

1. Hannah is applying for a life policy on her girlfriend Sarahs life. The policy is $500,000 and carries a large premium. Hannah is the main earner, so she is concerned about not being able to pay...
Which of the following statements is correct with respect to a limited partnership? A limited partner may not be an unsecured creditor of the limited partnership.A general partner may not also be a...
Some rocks or bricks contain small air pockets in them and have a spongy structure. Assuming the air spaces form columns of an average diameter of 0.006 mm, determine how high water can rise in such...
When should an organization use gain sharing?
A cantilever beam with a width b =100 mm and depth h = 150 mm has a length L = 2 m and is subjected to a point load P = 500 N at B. Calculate the state of plane stress at point C located 50 mm below...
Cottle Ltd uses a sales journal, a cash receipts journal, a general journal and an accounts receivable subsidiary ledger within a periodic inventory system. The terms of all credit sales are 2/10,...
Maris Corporation manufactures a single product. The standard cost per unit of product is as follows. Direct materials2 pounds of plastic at $5 per pound ......$10 Direct labor2 hours at $12 per hour...
A ( n ) _ _ _ _ _ _ _ _ _ _ contains information about a given person, product, or event. Attribute Column Field Record
Some analysts have argued that Big Data is fundamentally about data plumbing, and not about insights or deriving interesting patterns. It is argued that value (the fifth V) can just as easily be...
Both Hortonworks (Hortonworks Hadoop Sandbox) and Cloudera (Cloudera QuickStart VM) offer virtual instances (for Docker, VirtualBox, and VMWare) providing a full Hadoop stack you can easily run...
Why do you think conflicts within developing countries increased so much from the 1950s to the 1990s? Why do you think they then began to decrease?
The S&P 500 is currently at 3,225. Assuming a 2.5% interest rate and a 2% dividend yield (both continuously compounded), what is the 1-year forward price? Round to two decimal places in the end.
use the restated data. https://www.bluescope.com/investors/annual-reports/ For the most recent three years (2022, 2021, and 2020) calculate and explain: Profitability ratios: Gross profit ratio and...
Either by hand, or using computer software, make a box-and-whisker plot and find the interquartile range of the data. Lower and upper fences not required. 23 2 5 14 25 36 27 42 12 8 7 23 29 26 28 11...
In a random sample of 100 movie goers in January 2013, 61 of them said they are more likely to wait and watch a new movie in the comfort of their own home. Find and interpret a 90% confidence...
In the price discipline methodology, we can use a should-cost model and a market price index to determine.1) How much a product will cost two years from now 2) Whether a supplier's operating expenses...
Annual cash flows from two competing investment opportunities are given. Each investment opportunity will require the same initial investment. Requirement Assuming a 12% interest rate, which...
List four items of financial information you consider to be important to a manager of a business that has been operating for a year.
Write a short Java method, isMultiple, that takes two long values, n and m, and returns true if and only if n is a multiple of m, that is, n = mi for some integer i.
Write a short Java method, isEven, that takes an int i and returns true if and only if i is even. Your method cannot use the multiplication, modulus, or division operators, however.
Write a short Java method that takes an integer n and returns the sum of all positive integers less than or equal to n.
The table below represents the rankings/preference table for a president of the board of the directors for our home owners' association. First Choice Second Choice Third Choice Fourth Michael Leslie...
Consider 0.01 r(0,t) = 0.02+ +0.05 ln(1+t), 1+t and = 0.001, 8 = 0.002. Find ri(t) and the corresponding change.
Jason is considering two different jobs that he has been offered and he likes the atmosphere and other employees equally at both companies. With the first job he would be an apartment property...

Which of the following statements is correct? a. DataNodes in HDFS store a registry of metadata. b.

Question:

Step by Step Answer:

b The HDFS NameNode sends regular heartbeat messages t...View the full answer

Principles Of Database Management The Practical Guide To Storing Managing And Analyzing Big And Small Data

Students also viewed these Computer science questions