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0
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1
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Explain the difference between HBase and Hive.
asked
Jan 26, 2020
in
Big Data | Hadoop
#hbase-vs-hive
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?
asked
Jan 26, 2020
in
Big Data | Hadoop
#coloumn-families
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Explain about the different catalog tables in HBase?
asked
Jan 26, 2020
in
Big Data | Hadoop
#catalog
#hbase
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is Row Key?
asked
Jan 26, 2020
in
Big Data | Hadoop
#row-key
#big-data-key
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What are the different operational commands in HBase at record level and table level?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hbase-commands
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Hadoop-questions-answers
0
votes
1
answer
If the application demands key based access to data while retrieving.
asked
Jan 26, 2020
in
Big Data | Hadoop
#hadoop-applications
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
When data is stored in the form of collections
asked
Jan 26, 2020
in
Big Data | Hadoop
#data-collections
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
When should you use HBase and what are the key components of HBase?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hbase-components
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What are side data distribution techniques in Hadoop?
asked
Jan 26, 2020
in
Big Data | Hadoop
#distribution-techniques
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
How to write a custom partitioner for a Hadoop MapReduce job?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hadoop-partitioner
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Explain about the partitioning, shuffle and sort phase
asked
Jan 26, 2020
in
Big Data | Hadoop
#partitioning
#shuffle
#sort-phase
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What are the core methods of a Reducer?
asked
Jan 26, 2020
in
Big Data | Hadoop
#core-methods
#reducer-methods
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Explain the usage of Context Object.
asked
Jan 26, 2020
in
Big Data | Hadoop
#context-object
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What do you understand by edge nodes in Hadoop?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hadoop-edge
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Whenever a client submits a hadoop job, who receives it?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hadoop-client
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What happens when a user submits a Hadoop job when the Job Tracker is down- does the job get in to hold or does it fail.
asked
Jan 26, 2020
in
Big Data | Hadoop
#hadoop-job-tracker
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What happens when a user submits a Hadoop job when the NameNode is down- does the job get in to hold or does it fail.
asked
Jan 26, 2020
in
Big Data | Hadoop
#hadoop-jobs
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What happens to a NameNode that has no data?
asked
Jan 26, 2020
in
Big Data | Hadoop
#namenode-data
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is a rack awareness and on what basis is data stored in a rack?
asked
Jan 26, 2020
in
Big Data | Hadoop
#rack-awareness
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is the process to change the files at arbitrary locations in HDFS?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hdfs-locations
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
1
answer
Explain what happens if during the PUT operation, HDFS block is assigned a replication factor 1 instead of the default value 3.
asked
Jan 26, 2020
in
Big Data | Hadoop
#put-operation
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Explain the difference between NAS and HDFS.
asked
Jan 26, 2020
in
Big Data | Hadoop
#nas-vs-hdfs
#nas
#hdfs
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
How can you overwrite the replication factors in HDFS?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hdfs-replication
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Explain about the process of inter cluster data copying.
asked
Jan 26, 2020
in
Big Data | Hadoop
#cluster-data
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is the port number for NameNode, Task Tracker and Job Tracker?
asked
Jan 26, 2020
in
Big Data | Hadoop
#namenode-port
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is commodity hardware?
asked
Jan 26, 2020
in
Big Data | Hadoop
#commodity-hardware
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
Explain the difference between NameNode, Backup Node and Checkpoint NameNode.
asked
Jan 26, 2020
in
Big Data | Hadoop
#namenode
#backup-node
#checkpoint-namenode
Bigdata-questions-answers
Hadoop-questions-answers
+1
vote
1
answer
What is a block and block scanner in HDFS?
asked
Jan 26, 2020
in
Big Data | Hadoop
#hdfs-block-scanner
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
What is Big Data?
asked
Jan 26, 2020
in
Big Data | Hadoop
#what-is-big-data
#explain-big-data
Bigdata-questions-answers
Hadoop-questions-answers
0
votes
1
answer
How will you choose various file formats for storing and processing data using Apache Hadoop ?
asked
Jan 26, 2020
in
Big Data | Hadoop
#apache-hadoop
Bigdata-questions-answers
Hadoop-questions-answers
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