Question: What happens when a data node in Hadoop fails? None of the mentioned is correct On the failed node all tasks are re - scheduled

What happens when a data node in Hadoop fails?
None of the mentioned is correct
On the failed node all tasks are re-scheduled
Jobtracker and namenode detect the failure
Namenode replicates the user's data to another node
What happens when a data node in Hadoop fails?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock 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 Programming Questions!

Q:

Management is concerned about data redundancies in a table. There is some data in the table that is redundant and you are questioning what happens if the data is changed. Assume that this is the only...

Q:

Management is concerned about data redundancies in a table. There is some data in the table that is redundant and you are questioning what happens if the data is changed. Assume that this is the only...

Q:

DON'T SUMMARIZE JUST PARAGRAPH OF WHAT YOU THOUGHT/LEARNED CHAPTER 13 - The phrase "garbage in, garbage out" highlights the importance of input controls. If the data entered into a system are...

Q:

Management is concerned about data redundancies in a table. There is some data in the tablet happens if the data is changed. Assume that this is the only table, and all the data is required w advisor...

Q:

What happens if the data is redundant and the data is updated, deleted or a new record is added? Think about the following: What data needs to be changed if you change majors? Think about what...

Q:

Unix questions 1. Cp a.txt ../b.txt What happens to disk data of a. Text? (original deleted identical generated, no change identical generated, no change no new data, none of the above) 2. Using mv?...

Q:

CASE PROJECTS Because BYOD has become widespread in companies, the location of files when a litigation hold has been issued can be complicated. Find an article that discusses processes and policies...

Q:

Help please - Excel Table & question 1-9 . Please provide the formula for the excel table also Home Depot Demand for Lighting Fixtures Use an alpha of 0.5 and a beta of 0.9 Please use a fixed value...

Q:

Normal Body Text No Spacing Heading 1 A~ 4. To learn how to cite resources in American Psychological Association (APA) format. INSTRUCTIONS: Your uncle is a 60-year-old man with a history of...

Q:

5. The following threat model in Figure 1 represents the following case: We focus on the cases when legitimate apps are associated with ad networks and malware. Both malware and ad libraries request...

Q:

In Exercises 1-4, find all of the eigenvalues of the matrix A over the indicated Zp. 1. 2. 3. 4. 2 over 23 1 2 over Z over Zs over &5

Q:

Consider the potential system shown in Figure. (a) Set the initial values at the free nodes equal to zero and calculate the potential at the free nodes for five iterations,(b) Solve the problem by...

Q:

2 . Specifically, there are duties that a CPA would be obligated to perform and a non - CPA would not. How does integrity and the public interest for the CPA differ than the common view of integrity...

Q:

Please watch the whole documentary on carbon credits. The link is below. https://fod.infobase.com/OnDemandEmbed.aspx?lti=1&token=58522&wID=95315&loid=0&w=865&h=648 What are carbon credits and how do...