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Recent questions in Hadoop
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votes
1
answer
. ................. operator is used to view the map reduce execution plans.
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop
0
votes
1
answer
Pig operates in mainly ......... nodes?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
pig
hadoop
0
votes
1
answer
What is the common reason to restart hadoop process?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop-process
+1
vote
1
answer
Which of the following command is used to copy file or directories recursively?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop
+1
vote
1
answer
Which of the following hdfs command is used to check for various inconsistencies?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
inconsistencies
+2
votes
1
answer
Which of the following is the most popular NoSQL database for scalable big data store with Hadoop?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop
nosql-database
+1
vote
1
answer
Which of the following statement is incorrect about Hadoop?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop-cluster
+1
vote
1
answer
Which of the following command is used to check the status of all daemons running in the HDFS?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop
deamon
+1
vote
1
answer
Which of the following is the default size of distributed cache?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
distributed-cache
+1
vote
1
answer
Which of the configuration file is used to control the HDFS replication factor?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop-files
0
votes
1
answer
Which of the following is the advantages of 3x replication schema in Hadoop?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop-replication
0
votes
1
answer
What is the most popular high-level Java API in Hadoop Ecosystem?
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop-ecosystem
0
votes
1
answer
Pick out the correct statement.
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop
0
votes
1
answer
Hadoop was written in
asked
Jan 13, 2023
in
Hadoop
by
john ganales
hadoop
0
votes
1
answer
If there are 10 HDFS blocks to be copied from one machine to another. However, the other machine can copy only 7.5 blocks, is there a possibility for the blocks to be broken down during the time of replication?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
+2
votes
1
answer
What do you mean by “Heartbeat” in HDFS?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
hdfs
heartbeat
0
votes
2
answers
What is streaming access?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
streaming-access
+2
votes
1
answer
Does HDFS make block boundaries between records?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hdfs
+2
votes
1
answer
What are the major difference between an HDFS block and an InputSplit.
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
hdfs-block
inputsplit
0
votes
1
answer
How do you benchmark your Hadoop Cluster with Hadoop tools?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop-cluster
0
votes
1
answer
What is distributed cache and what are its benefits?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
distributed-cache
0
votes
1
answer
What ae the the functioning of Master Slave architecture in Hadoop?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
0
votes
1
answer
Give some examples of companies that are using Hadoop architecture extensively.
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop-achitecture
+1
vote
0
answers
Did you ever built a production process in Hadoop? If yes, what was the process when your Hadoop job fails due to any reason?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
debug
0
votes
1
answer
How can you debug your Hadoop code?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop-debug
+1
vote
1
answer
What will a Hadoop job do if developers try to run it with an output directory that is already present?
asked
Dec 20, 2022
in
Hadoop
by
john ganales
hadoop
+2
votes
1
answer
Mention a business use case where you worked with the Hadoop Ecosystem
asked
Nov 26, 2022
in
Hadoop
by
SakshiSharma
hadoop-ecosystem
+2
votes
1
answer
What is meant by over/under- replicated blocks in Hadoop?
asked
Nov 26, 2022
in
Hadoop
by
SakshiSharma
hadoop-replica
+2
votes
1
answer
How can you restart the NameNode in Hadoop?
asked
Nov 26, 2022
in
Hadoop
by
SakshiSharma
namenodes-hadoop
+2
votes
1
answer
What makes Hadoop Fault tolerant?
asked
Nov 26, 2022
in
Hadoop
by
SakshiSharma
hadoop-fault-tolerant
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