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Recent questions in Hadoop
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Questions
Hadoop
0
votes
what are the different Job control options specified by MapReduce.
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
mapreduce
0
votes
Define the term Partitioner and why is it used?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
parrtitioner
0
votes
Define the term Text Input Format in MapReduce?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
text
format
0
votes
Illustrate the differences between MapReduce and PIG?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
mapreduce
0
votes
What do you think will happen when a data node fails?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
node-fails
0
votes
Explain what you understand by the term NameNode in Hadoop?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
namenode
0
votes
Illustrate the differences between a reducer and a combiner?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
reducer
combiner
0
votes
What do you know about Input Format?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
hadoop
input-format
0
votes
Briefly list out the different configuration parameters that are required to perform the job of the MapReduce framework?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
hadoop
0
votes
List out the main components of MapReduce?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
mapreduce
0
votes
Why is MapReduce used?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
mapreduce
0
votes
Explain job scheduling through JobTracker.
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
job-tracker
0
votes
Illustrate the differences between HDFS block and InputSplit?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
hdfs-block
0
votes
Briefly explain about Identity Mapper and Chain Mapper in MapReduce?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
identity-mappe
0
votes
What do you know about MapReduce and how does it work?
asked
Feb 17
in
Hadoop
by
sharadyadav1986
(
30.6k
points)
mapeduce
+1
vote
How many formats of SequenceFile are present in Hadoop I/O?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
+1
vote
Hadoop is distributed under .................
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
+1
vote
The commercial applications of Hadoop include ...............
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
commercial-applications
+1
vote
The heartbeat signal are sent from ................
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
heartbeat-signal
hadoop
+1
vote
Which of the following option is used for machine learning on Hadoop?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
machine-learning
+1
vote
Which of the following option allows users to read or write Avro data as Hive tables?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
hive-tables
0
votes
What is the shortcut for DUMP operator?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
dump-operator
hadoop
0
votes
. ................. operator is used to view the map reduce execution plans.
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
0
votes
Pig operates in mainly ......... nodes?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
pig
hadoop
0
votes
What is the common reason to restart hadoop process?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop-process
+1
vote
Which of the following command is used to copy file or directories recursively?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
+1
vote
Which of the following hdfs command is used to check for various inconsistencies?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
inconsistencies
+1
vote
Which of the following is the most popular NoSQL database for scalable big data store with Hadoop?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
nosql-database
+1
vote
Which of the following statement is incorrect about Hadoop?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop-cluster
+1
vote
Which of the following command is used to check the status of all daemons running in the HDFS?
asked
Jan 13
in
Hadoop
by
john ganales
(
13.1k
points)
hadoop
deamon
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