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Recent questions and answers in HDFS
0
votes
1
answer
Can I set the number of Reducers to Zero?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
reducers
0
votes
1
answer
Does Mapreduce programming model provide a way for Reducers to communicate with each other and in a Mapreduce Job can a Reducer communicate with another Reducer?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
mapreduce
programmingmodel
0
votes
1
answer
How NameNode handles DataNode failures?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
datanode
namenode
0
votes
1
answer
What is configuration of a typical Slave Node on Hadoop Cluster and how many Jvms run on a Slave Node?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hadoop
cluster
0
votes
1
answer
What is a task instance in Hadoop and where does it run?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hadoop
instance
0
votes
1
answer
What is a Task Tracker in Hadoop and how many instances of Task Tracker run on a Hadoop Cluster?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
tasktracker
hadoop
0
votes
1
answer
How JobTracker schedules a task?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
jobtrackerschedules
0
votes
1
answer
Can Hadoop be compared to Nosql Database like Cassandra?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
nosql
database
cassandra
0
votes
1
answer
Why reading is done in parallel and writing is not in Hdfs?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hdfs-writing
0
votes
1
answer
Which are the two types of writes In Hdfs?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hdfs-writes
0
votes
1
answer
Is a Job split into maps?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
maps
hdfs
0
votes
1
answer
Why are the number of splits equal to the number of Maps?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
maps
hdfs
0
votes
1
answer
Do we require two servers for the NameNode and the DataNodes?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
namenode
datanodes
0
votes
1
answer
What is the difference between Gen1 and Gen2 Hadoop with regards to the NameNode?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hadoop
namenode
0
votes
1
answer
What if Rack 2 and DataNode fails?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hdfs
v
0
votes
1
answer
Do we need to place 2nd and 3rd Data in Rack 2 only?
answered
Jun 23, 2023
in
HDFS
by
rajeshsharma
hdfs
0
votes
1
answer
On what basis Data will be stored on a Rack?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
rack-data
hdfs
0
votes
1
answer
What is a Rack?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
rack
hdfs
0
votes
1
answer
Is client the end user in Hdfs?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
hdfs
client-hdfs
0
votes
1
answer
Who is a user in Hdfs?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
hdfs
0
votes
2
answers
How is indexing done in HDFS?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
#hdfs-indexing
0
votes
1
answer
What is structured and unstructured Data?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
structured-data
unstructureddata
0
votes
1
answer
How the Hdfs blocks are replicated?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
hdfs-block
hdfs-replicated
0
votes
1
answer
How the client communicates with Hdfs?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
hdfsclient
0
votes
1
answer
What is a NameNode and how many instances of NameNode run on a Hadoop Cluster?
answered
Jun 22, 2023
in
HDFS
by
rajeshsharma
namenode
hadoop
cluster
0
votes
1
answer
What is Hdfs block size and how is it different from Traditional File System block size?
answered
Jun 21, 2023
in
HDFS
by
sharadyadav1986
traditionalfilesystem
hdfs
0
votes
1
answer
What happens if number of Reducers are 0?
answered
Jun 21, 2023
in
HDFS
by
sharadyadav1986
reducers
hdfs
0
votes
1
answer
It can be possible that a Job has 0 Reducers?
answered
Jun 21, 2023
in
HDFS
by
sharadyadav1986
reducers
jobs
hdfs
0
votes
1
answer
How many Reducers should be configured?
answered
Jun 21, 2023
in
HDFS
by
sharadyadav1986
reducers
hdfs
0
votes
1
answer
Explain the Reducer's reduce phase?
answered
Jun 21, 2023
in
HDFS
by
sharadyadav1986
reducer-reduce-phase
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