Home
Recent Q&A
Java
Cloud
JavaScript
Python
SQL
PHP
HTML
C++
Data Science
DBMS
Devops
Hadoop
Machine Learning
Azure
Blockchain
Devops
Ask a Question
Hadoop Interview Questions and Answers
Home
Questions
Hadoop
0
votes
Can multiple clients write into an HDFS file concurrently?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#hdfs-file
0
votes
How data or file is written into HDFS?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#data-file
#hdfs-data-file
+1
vote
Why is block size set to 128 MB in Hadoop HDFS?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#hadoop-data-size
+1
vote
Explain NameNode and DataNode in HDFS?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#namenode
#datanode-hdfs
0
votes
What is HDFS- Hadoop Distributed File System?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#hadoop-distributed-file-system
0
votes
Is it possible to have hadoop job output in multiple directories? If yes, how?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#hadoop-job
#multiple-directories-hadoop
0
votes
Is it possible to provide multiple input to Hadoop? If yes then how?
asked
Nov 7, 2020
in
Hadoop
by
SakshiSharma
#hadoop-multiple-input
multiple-input
0
votes
How is the splitting of file invoked in Hadoop framework?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-framework
#framework-hadoop
0
votes
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-cluster
0
votes
What are the different commands used to startup and shutdown Hadoop daemons?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-startup
#hadoop-shutdown
0
votes
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-classpath
0
votes
What does hadoop-metrics.properties file do?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-metrics
0
votes
Explain Hadoop streaming?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-streaming
#streaming-hadoop
0
votes
How to debug Hadoop code?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-debug
#debug-code-hadoop
0
votes
What is fsck in hadoop?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-fsck
0
votes
What are the main hdfs-site.xml properties?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-hdfs-site
xml
0
votes
What does jps command do in Hadoop?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-jps-command
0
votes
How to restart NameNode or all the daemons in Hadoop?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-restart-namenode
0
votes
What is throughput in Hadoop?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-throughput
0
votes
Why does one remove or add nodes in a Hadoop cluster frequently?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#hadoop-cluster
0
votes
How is security achieved in Hadoop?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#security-achieved
#security-hadoop
+1
vote
What is a “Distributed Cache” in Apache Hadoop?
asked
Nov 6, 2020
in
Hadoop
by
rahuljain1
#distributed-cache-hadoop
0
votes
What is the problem with small files in Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-small-files
#small-files-hadoop
0
votes
What is Safemode in Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-safemode
#safemode-hadoop
0
votes
Explain Data Locality in Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-data-locality
#data-locality
0
votes
Compare Hadoop 2 and Hadoop 3?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop2-vs-hadoop3
0
votes
What are the limitations of Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-limitations
0
votes
What are configuration files in Hadoop?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-configuration-files
#hadoop-files
0
votes
What are the features of Fully-Distributed mode?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-fully-distributed-mode
#hadoop-mode
0
votes
What are the features of Pseudo mode?
asked
Nov 5, 2020
in
Hadoop
by
SakshiSharma
#hadoop-pseudo-mode
Page:
« prev
1
...
3
4
5
6
7
8
9
10
next »
...
