Question: What is the difference between a name node and a data node in HDFS?

What is the difference between a name node and a data node in HDFS?

Step by Step Solution

★★★★★

3.34 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The name node stores the metadata that tracks where all of the actual data blocks ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Database Concepts Questions!

Q:

What is the difference between a Select statement that used Count (*) and a select statement that uses count (Column name)? How does Count (Column name) differ from Count (Distnct column name)?

Q:

What is the difference between the binary-search-tree property and the min-heap property (see page 129)? Can the min-heap property be used to print out the keys of an n-node tree in sorted order in...

Q:

What is the difference between a serial collection of data and a sequential collection of data? Which can be used for direct access?

Q:

1 . What are the traditional 3 Vs of Big Data? Briefly, define each. 2 . Explain why companies like Google and Amazon were among the first to address the Big Data problem. 3 . Explain why veracity,...

Q:

What is the difference between a name node and a data node in HDFS ? Explain the basic steps in MapReduce processing. Briefly explain how HDFS and MapReduce are complementary to each other.

Q:

When using a HDFS , a heartbeat is sent every _ _ _ _ _ _ to notify the name node that the data mode is still available. Question 8 Select one: a . 3 hours b . 3 seconds c . 6 hours d . 6 seconds

Q:

When using a HDFS , a heartbeat is sent every _ _ _ _ _ _ to notify the name node that the data mode is still available. a . 6 hours b . 3 seconds c . 6 seconds d . 3 hours

Q:

the first picture is a guide. the second picture is the set of questions with A meaning true and B meaning false. An example of Hadoop/MapReduce technology used in cloud computing is illustrated in...

Q:

The total capacity of HDFS in this configuration is TB. Assume that Data Node \#1 is writing the file "input1.txt" with a total size of 140GB. The total network traffic incurred on all data nodes...

Q:

Match the internet paradigm to its definition. Question 1 options: The advent of interconnected devices that provide the ability to create cyber physical systems. The advent of interconnected...

Q:

Suppose a biotech company in Boston, Massachusetts, completes an $85 million IPO priced to the public at $75 per share. The firm receives $72 per share and the out-of-pocket expenses are $340,000....

Q:

Yallow, Incorporated, manufactures teddy bears and dolls. Currently. Yallow makes 2,250 teddy bears each month. Each teddy bear uses $5.75 in direct materials and $1.75 in direct labor. Yallow uses...

Q:

A company has an EPS of $ 2 . 5 5 , a book value per share of $ 2 7 . 5 4 , and a market / book ratio of 1 . 9 . What is its P / E ratio? Do not round intermediate calculations. Round your answer to...

Q:

Explain how to control procurements

Q:

What is embedded SQL, and how is it used?

Q:

What is dynamic SQL, and how does it differ from static SQL?

Q:

Using tables named T1 and T2, write a query example for each of the three join types you described in Question 2. Assume that T1 and T2 share a common column named C1.

Q:

Cavo Corporation expects an EBIT of $19,750 every year forever. The company currently has no debt, and its cost of equity is 15 percent. The corporate tax rate is 35 percent. a. What is the current...

Q:

Mickleson Golf Industries sells custom golf clubs and has an all-cash sales policy. They currently sell 1,200 clubs a month for $155 each. The variable costs per club are $125. They are analyzing...

Q:

2. Caterpillar (CAT), a US multinational, wants to borrow 150 million Canadian dollars at a fixed rate of interest for five years. Algoma Steel, a Canadian integrated steel manufacturer, wants to...