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User sharadyadav1986
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Answers by sharadyadav1986
0
votes
What is a DataNode in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-datanode
#datanode-hdfs
0
votes
Is Namenode machine same as DataNode machine as in terms of hardware?
answered
Jun 8, 2020
in
HDFS
#namenode-machine
#datanodmachine
0
votes
What is the difference between NAS (Network Attached Storage) and HDFS?
answered
Jun 8, 2020
in
HDFS
#nas-vs-hdfs
#network-attached-storage
#hdgs-vs-nas
0
votes
What is the difference between traditional RDBMS and Hadoop?
answered
Jun 8, 2020
in
HDFS
#rdbms-vs-hadoop
#hadoop-vs-rdbms
0
votes
What is throughput? How does HDFS provides good throughput?
answered
Jun 8, 2020
in
HDFS
#hdfs-throughput
#thoughput-hdfs
#good-hdfs
0
votes
What is Secondary NameNode? Is it a substitute or back up node for the NameNode?
answered
Jun 8, 2020
in
HDFS
#hdfs-secondary-namenode
#hdfs-backup-node
0
votes
What is the problem in having lots of small files in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-problems
0
votes
What is a heartbeat in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-heartbeat
0
votes
How would you check whether your NameNode is working or not?
answered
Jun 8, 2020
in
HDFS
#namenode-check
0
votes
What is a block in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-block
#block-hdfs
0
votes
Suppose there is file of size 514 MB stored in HDFS (Hadoop 2.x) using default block size configuration and default replication factor.
answered
Jun 8, 2020
in
HDFS
#hdfs-replication-factor
0
votes
How to copy a file into HDFS with a different block size to that of existing block size configuration?
answered
Jun 8, 2020
in
HDFS
#hdfs-block-size
0
votes
Can you change the block size of HDFS files?
answered
Jun 8, 2020
in
HDFS
#change-hdfs-block-size
#block-size-hdfs
0
votes
What is a block scanner in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-block-scanner
#block-scanner-hdfs
0
votes
HDFS stores data using commodity hardware which has higher chances of failures
answered
Jun 8, 2020
in
HDFS
#hdfs-fault-tolerance
0
votes
Replication causes data redundancy and consume a lot of space, then why is it pursued in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-replication-cause
0
votes
Can we have different replication factor of the existing files in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-replication-factor
0
votes
What is a rack awareness algorithm and why is it used in Hadoop?
answered
Jun 8, 2020
in
HDFS
#hdfs-rack-awareness
#rack-awareness-hadoop
0
votes
How data or a file is written into HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-data-file
#data-file-hdfs
0
votes
Can you modify the file present in HDFS?
answered
Jun 8, 2020
in
HDFS
#hdfs-file
#file-hdfs
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