tag/namenode
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Home
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Tag
Namenode
Recent questions tagged namenode
0
votes
1
answer
I was installing Hadoop for windows everything went smoothly but when I tried to format NameNode it displayed an error of failing to start NameNode. What should I do?
Oct 10, 2020
in
Big Data Hadoop
by
alex
•
120
points
•
70
views
hadoop
big-data
hdfs
namenode
0
votes
1
answer
HI i was trying to install hadoop but i get these error....Format HDFS Namenode Error: Could not find or load main class ”-Djava.library.path=.home.hadoop.hadoop-3.2.1.lib"
Oct 7, 2020
in
Big Data Hadoop
by
bezz
•
120
points
•
126
views
hadoop
big-data
hdfs
namenode
0
votes
1
answer
Format HDFS Namenode Error: Could not find or load main class ”-Djava.library.path=.home.hadoop.hadoop-3.2.1.lib.native”
Jun 12, 2020
in
Big Data Hadoop
by
fwood
•
120
points
•
2,672
views
hadoop
big-data
hdfs
namenode
+1
vote
0
answers
hdfs namenode -format not working, not showing anything.
Sep 6, 2019
in
Big Data Hadoop
by
nar
•
159
views
big-data
namenode
hdfs
hadoop
+1
vote
0
answers
i tried to run hdfs namenode -format but i got this instead, -classpath and D:\Hadoop isn't recognized. Anyone can help? Thank you.
Sep 3, 2019
in
Big Data Hadoop
by
Fuad
•
263
views
hdfs
hadoop
big-data
namenode
0
votes
1
answer
How to restart failed Namenode?
Jul 23, 2019
in
Big Data Hadoop
by
Karan
•
480
views
namenode
hdfs
hadoop
big-data
0
votes
1
answer
Name node RAM metadata
Jul 23, 2019
in
Big Data Hadoop
by
Rajini
•
225
views
big-data
namenode
0
votes
2
answers
Namenode is not getting started
Jul 22, 2019
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
214
views
hadoop
big-data
hdfs
namenode
datanode
0
votes
2
answers
Explain to me the difference between Name Node and Secondary Name Node
Jun 21, 2019
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
572
views
hadoop
big-data
hdfs
bigdata
namenode
0
votes
1
answer
Code was tested successfully in Dev and Test. When deployed to Productions it is failing. As an admin, how do you track the issue?
Jun 21, 2019
in
Big Data Hadoop
by
Deepak P
•
186
views
hdfs
hadoop
big-data
yarn
mapreduce
namenode
hbase
aws
devops-tools
devops
0
votes
2
answers
if HDFS threshold has been reached. What is the our approach to resolve this issue?
Jun 21, 2019
in
Big Data Hadoop
by
Manish
•
282
views
hadoop
big-data
hdfs
yarn
mapreduce
namenode
0
votes
1
answer
Heartbeat time interval for Datanode
Jun 20, 2019
in
Big Data Hadoop
by
Karan
•
230
views
big-data
hadoop
datanode
namenode
0
votes
1
answer
Namenode stops automatically after a while when started Hadoop.
Jun 17, 2019
in
Big Data Hadoop
by
Janosh
•
234
views
namenode
hdfs
hadoop
big-data
bigdata
0
votes
1
answer
How to enable WebHDFS in the Datanodes?
May 24, 2019
in
Big Data Hadoop
by
Gani
•
631
views
hadoop
big-data
namenode
datanode
hdfs
0
votes
1
answer
Hadoop Namenode start issue
May 22, 2019
in
Big Data Hadoop
by
John
•
174
views
hadoop
big-data
namenode
hdfs
+1
vote
1
answer
Hello all! I try to install hadoop but I have a problem when trying to format data folder with command "hdfs namenode -format". Error: Could not find or load main class Username
May 21, 2019
in
Big Data Hadoop
by
anonymous
•
1,014
views
hadoop
big-data
namenode
hdfs
+1
vote
1
answer
Explain to me the difference between Name node and Secondary name node
May 14, 2019
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
472
views
hadoop
big-data
hdfs
bigdata
namenode
0
votes
1
answer
Explain to me the difference between name node and secondary name node.
Apr 30, 2019
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
213
views
hadoop
big-data
hdfs
bigdata
namenode
0
votes
1
answer
I have installed Hadoop on Ubuntu but name node is not running.
Apr 25, 2019
in
Big Data Hadoop
by
anonymous
•
557
views
namenode
hadoop
big-data
0
votes
1
answer
How does a name-node understand by itself that it is facing a failure?
Mar 27, 2019
in
Big Data Hadoop
by
ravi
•
220
points
•
119
views
hadoop
big-data
namenode
0
votes
2
answers
Do we need to format datanode to store data
Jan 14, 2019
in
Big Data Hadoop
by
Sam
•
160
points
•
804
views
datanodes
hdfs
hadoop
big-data
namenode
format
0
votes
1
answer
Failed to start namenode in hadoop
Jan 11, 2019
in
Big Data Hadoop
by
digger
•
26,700
points
•
4,044
views
hadoop
big-data
namenode
hdfs
hadoop-daemons
–1
vote
1
answer
How to restrict nodes that talk to namenode?
Jan 4, 2019
in
Big Data Hadoop
by
digger
•
26,700
points
•
75
views
hadoop
big-data
namenode
–1
vote
1
answer
Namenode not running
Dec 27, 2018
in
Big Data Hadoop
by
digger
•
26,700
points
•
860
views
hadoop
big-data
namenode
–1
vote
1
answer
Namenode start error
Dec 26, 2018
in
Big Data Hadoop
by
digger
•
26,700
points
•
81
views
big-data
hadoop
namenode
0
votes
1
answer
Can DataNode and NameNode be commodity hardware?
Dec 18, 2018
in
Big Data Hadoop
by
Frankie
•
9,810
points
•
895
views
hadoop
big-data
hdfs
namenode
datanode
0
votes
1
answer
What are active and passive “NameNodes” in Hadoop?
Dec 13, 2018
in
Big Data Hadoop
by
Neha
•
6,300
points
•
905
views
hadoop
big-data
hdfs
passive
namenode
0
votes
1
answer
Hadoop: Can not start namenode: Unable to load native-hadoop library for your platform
Dec 5, 2018
in
Big Data Hadoop
by
digger
•
26,700
points
•
1,117
views
hadoop
big-data
hdfs
namenode
+1
vote
1
answer
What is difference between Hadoop Namenode HA and HDFS federation?
Oct 30, 2018
in
Big Data Hadoop
by
Neha
•
6,300
points
•
731
views
hadoop
big-data
bigdata
hdfs
namenode
0
votes
1
answer
What is the standard way to create files in your hdfs file-system?
Sep 22, 2018
in
Big Data Hadoop
by
Neha
•
6,300
points
•
893
views
hdfs
hadoop
big-data
namenode
0
votes
1
answer
Hadoop Nodes for Multiple Disks
Jul 3, 2018
in
Big Data Hadoop
by
Data_Nerd
•
2,390
points
•
843
views
bigdata
developer
namenode
datanode
hadoop
big-data
0
votes
1
answer
NameNode Status Check
Jun 18, 2018
in
Big Data Hadoop
by
Data_Nerd
•
2,390
points
•
906
views
bigdata
hadoop
big-data
namenode
0
votes
1
answer
NameNode & DataNode memory
Jun 12, 2018
in
Big Data Hadoop
by
shams
•
3,660
points
•
280
views
bigdata
hadoop
big-data
namenode
datanode
memory
0
votes
1
answer
Getting error in JAVA_HOME variable.
May 11, 2018
in
Big Data Hadoop
by
punk100
•
840
views
hadoop
big-data
bigdata
java
hdfs
namenode
0
votes
1
answer
How to change the checkpointing duration in Hadoop
May 11, 2018
in
Big Data Hadoop
by
punk100
•
358
views
bigdata
hadoop
big-data
secondary-namenode
namenode
checkpointing
0
votes
1
answer
Hadoop Command to merge edit logs with fsimage
May 10, 2018
in
Big Data Hadoop
by
us0101
•
718
views
hadoop
big-data
bigdata
hdfs
namenode
fsimage
0
votes
1
answer
What happend while formatting hadoop namenode?
May 3, 2018
in
Big Data Hadoop
by
Atul
•
10,240
points
•
100
views
hadoop
big-data
bigdata
hdfs
namenode
hadoop-installation
0
votes
1
answer
After installing Hadoop on Windows7, NameNode failed to start
May 3, 2018
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
4,720
views
hadoop
big-data
bigdata
hdfs
namenode
hadoop-windows
0
votes
1
answer
Changing hostname in fs.default.name property puts Hadoop in safemode
Apr 27, 2018
in
Big Data Hadoop
by
coldcode
•
2,080
points
•
1,013
views
hadoop
big-data
bigdata
hdfs
namenode
safemode
0
votes
1
answer
Namenode not getting started
Apr 23, 2018
in
Big Data Hadoop
by
Ashish
•
2,650
points
•
1,201
views
hadoop
big-data
hdfs
namenode
datanode
0
votes
2
answers
How can I list NameNode & DataNodes from any machine in the Hadoop cluster?
Apr 18, 2018
in
Big Data Hadoop
by
Shubham
•
13,460
points
•
7,277
views
hadoop
big-data
bigdata
namenode
datanode
hdfs
0
votes
2
answers
Meaning of fs.defaultFS property in core-site.xml in hadoop
Apr 15, 2018
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
3,824
views
hadoop
big-data
bigdata
hdfs
namenode
0
votes
2
answers
Function of “hadoop namenode -format” command
Apr 15, 2018
in
Big Data Hadoop
by
coldcode
•
2,080
points
•
12,682
views
hadoop
big-data
bigdata
hdfs
namenode
0
votes
1
answer
Is there a way to rebalance single Datanode in Hadoop.
Apr 15, 2018
in
Big Data Hadoop
by
Shubham
•
13,460
points
•
175
views
hdfs
hadoop
big-data
datanode
namenode
0
votes
3
answers
What are differences between NameNode and Secondary NameNode?
Mar 22, 2018
in
Big Data Hadoop
by
nitinrawat895
•
11,380
points
•
5,876
views
hadoop
big-data
bigdata
developer
namenode
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