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Answers by SakshiSharma
0
votes
What is the main difference between an “Input Split” and “HDFS Block”?
answered
Oct 29, 2022
in
Hadoop
input-split
hdfs-block
hadoop
cluster
0
votes
What are the essential features of Hadoop?
answered
Oct 29, 2022
in
Hadoop
hadoop-features
0
votes
What is Hadoop and its components?
answered
Oct 29, 2022
in
Hadoop
hadoop
components
0
votes
What is Big Data?
answered
Oct 29, 2022
in
Hadoop
big-data
hadoop
0
votes
What is speculative execution?
answered
Oct 29, 2022
in
Hadoop
speculative-hadoop
cluster
0
votes
How many times do you need to reformat the namenode?
answered
Oct 29, 2022
in
Hadoop
hadoop
namenode
format-namenode
0
votes
Name some of the essential Hadoop tools for effective working with Big Data?
answered
Oct 29, 2022
in
Hadoop
hadoop-tools
big-data
0
votes
What is the use of ‘jps’ command?
answered
Oct 29, 2022
in
Hadoop
hadoop
jps-command
0
votes
What is a checkpoint?
answered
Oct 29, 2022
in
Hadoop
hadoop
checkpoint
0
votes
What is distcp?
answered
Oct 29, 2022
in
Hadoop
hadoop
distcp
0
votes
Is there any standard method to deploy Hadoop?
answered
Oct 29, 2022
in
Hadoop
hadoop
deployment-hadoop
0
votes
Is it possible to copy files between different clusters? If yes, How can you achieve this?
answered
Oct 29, 2022
in
Hadoop
hadoop
copy-files
cluster
0
votes
What happens when the NameNode is down?
answered
Oct 29, 2022
in
Hadoop
hadoop
namenode
0
votes
Explain how you will restart a NameNode?
answered
Oct 29, 2022
in
Hadoop
hadoop
namenode
0
votes
What is the Importance of the namenode?
answered
Oct 29, 2022
in
Hadoop
hadoop-
namenode
0
votes
What are the Hadoop shell commands can use for copy operation?
answered
Oct 29, 2022
in
Hadoop
hadoop-shell
shell-command
0
votes
What do you need to do as Hadoop admin after adding new datanodes?
answered
Oct 29, 2022
in
Hadoop
hadoop
datanodes
0
votes
How would you deploy different components of Hadoop in production?
answered
Oct 29, 2022
in
Hadoop
hadoop
production
component
0
votes
What are the important hardware requirements for a Hadoop cluster?
answered
Oct 29, 2022
in
Hadoop
hadoop-cluster
hardware
0
votes
What modes can Hadoop code be run in?
answered
Oct 29, 2022
in
Hadoop
hadoop
modes
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