Home
Q&A
Education
Technology
Credit
General
Health
Insurance
Questions
Ask a Question
What are the actions that happen when a DataNode fails?
Home
Technology
What are the actions that happen when a DataNode...
asked
Aug 6, 2021
in
Technology
by
JackTerrance
What are the actions that happen when a DataNode fails?
interview-question-answer
technology-questions-answers
1
Answer
0
votes
answered
Aug 6, 2021
by
JackTerrance
Both the Jobtracker and the name node detect the failure on which blocks were the DataNode failed.
On the failed node all the tasks are rescheduled by locating other DataNodes with copies of these blocks
User’s data will be replicated to another node from namenode to maintain the configured replication factor.
Related questions
0
votes
Q: What is happen when drive failure occurs?
What is happen when drive failure occurs?...
asked
Jul 31, 2021
in
Technology
by
JackTerrance
interview-question-answer
technology-questions-answers
0
votes
Q: What Will Happen When Power Factor Is Leading In Distribution Of Power?
What Will Happen When Power Factor Is Leading In Distribution Of Power?...
asked
Dec 12, 2020
in
Technology
by
JackTerrance
interview-question-answer
technology-questions-answers
0
votes
Q: Commiting a code change, when the inspection fails , is perfectly fine as the code logic is working fine anyway
Commiting a code change, when the inspection fails , is perfectly fine as the code logic is working fine anyway (i)False (ii)True...
asked
Oct 5, 2020
in
Technology
by
Editorial Staff
interview-question-answer
technology-questions-answers
0
votes
Q: python script fails running as a daemon (EOFError: EOF when reading a line)
I've created a python3 script that runs fine on command line but when I try to run as a daemon ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Apr 21, 2022
in
Education
by
JackTerrance
pythonpython-3
xmacos
0
votes
Q: What will happen to a var type when code block ends?
What is the diference between those two examples of code? public Test(int x) { List list= new ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Mar 4, 2022
in
Education
by
JackTerrance
c#
netmemory-managementcodeblocks
0
votes
Q: Cronjob emailing "command failed with exit status 1" when nothing fails
I've been experimenting with cronjobs recently and have it setup like so: crontab: SHELL=/bin/sh MAILTO= ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Feb 28, 2022
in
Education
by
JackTerrance
phpemailcronscheduled-tasks
0
votes
Q: Hibernate 4.0: javax.persistence.criteria.Path.get fails for when field of a composite key is specified
Calling javax.persistence.criteria.Path.get(String name) fails for the simple class hierarchy detailed below. The ... for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Jan 15, 2022
in
Education
by
JackTerrance
interview-question-answer
0
votes
Q: What will happen when the data of the jQuery.cache is read from an element?
What will happen when the data of the jQuery.cache is read from an element? (a) Unique number is ... JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Oct 23, 2021
in
Education
by
JackTerrance
essential-javascript-interview-questions
javascript-interview-questions
javascript-interview-questions-and-answers
javascript-questions-for-practice
java-script-mcq-quiz
javascript-quiz-
javascript-multiple-choice-questions
javascript-mcq-with-answers
0
votes
Q: When does a memory leak happen?
When does a memory leak happen? (a) Browser doesn't release memory from objects unnecessary (b) Browser ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Oct 22, 2021
in
Education
by
JackTerrance
essential-javascript-interview-questions
javascript-interview-questions
javascript-interview-questions-and-answers
javascript-questions-for-practice
java-script-mcq-quiz
javascript-quiz-
javascript-multiple-choice-questions
javascript-mcq-with-answers
0
votes
Q: E and F are two independent events. The probability that both e and F happen is 1/12 and the probability that neither E nor F happens is 1/2. Then
E and F are two independent events. The probability that both e and F happen is 1/12 and the probability that neither E ... P(F)=1//3` Select the correct answer from above options...
asked
Nov 13, 2021
in
Education
by
JackTerrance
artificial-intelligence-interview-questions
artificial-intelligence-interview-questions-answers
artificial-intelligence-multiple-choice-questions
artificial-intelligence-mcq-with-answers
artificial-intelligence-mcq
artificial-intelligence-questions
0
votes
Q: When using Selenium's click_and_hold method exactly what conditions or actions cause the mouse click to release?
I've had several occasions in my selenium tests where I decided to use Selenium's click_and_hold() (source ... Questions for Interview, JavaScript MCQ (Multiple Choice Questions)...
asked
Apr 26, 2022
in
Education
by
JackTerrance
seleniumselenium-webdriverwebdriveraction
0
votes
Q: A computers virus is [a] a chemical that attacks silicon. [b] data that the computer fails to handle. [c] special kind of computer programme. [d] a micro-organism that destroys integrated circuits.
A computers virus is [a] a chemical that attacks silicon. [b] data that the computer fails to handle. ... destroys integrated circuits. Select the correct answer from above options...
asked
Nov 27, 2021
in
Education
by
JackTerrance
computer-science-interview-questions
computer-science-questions
0
votes
Q: One of the two events must happen. Given that the chance of one is two-third of the other, find the odds in favour of the other.
One of the two events must happen. Given that the chance of one is two-third of the other, find the odds in favour of the other. Select the correct answer from above options...
asked
Nov 22, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-questions
probability
class-11
0
votes
Q: If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A or B fails is
If the probabilities for A to fail in an examination is 0.2 and that for B is 0.3, then the probability that either A ... C. ≤ .5 D. 0 Select the correct answer from above options...
asked
Nov 20, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
cbse-class-10
0
votes
Q: If 3/10 is the probability that an event will happen, what is the probability that it will not happen
If 3/10 is the probability that an event will happen, what is the probability that it will not happen Select the correct answer from above options...
asked
Nov 15, 2021
in
Education
by
JackTerrance
probability-interview-questions
probability-interview-questions-answers
probability-multiple-choice-questions
probability-mcq-with-answers
probability-mcq
probability-questions
...