Hi All,
I am a DBA, learning Hadoop.
Please anyone share the day today activities of Hadoop admin.
Thanks & Regards,
Vinodh.N
Hi All,
How to create DATA SET in Hadoop. Is it done by Developer or Hadoop Admin.
Thanks & Regards,
Vinodh.N
Hi All,
When I execute *hdfs dfs -ls*,it shows all the directory. I have created
one directory in hadoop.
Remaining files are created at OS level.
Executing from Hadoop home/bin.
Thanks,
Hi All,
I am new bee to Hadoop. I would like to know about Hadoop DBA.
I installed Hadoop ( non Cluster ) on windows machine.
could please anyone share what art the day today activities in Hadoop DBA
life.
Please share basic commands and configuration details.
Thanks & Regards,
Vinodh.N
Hi All,
I tried to install Hadoop hadoop-2.7.2 on Windows 7 in 64 bit machine.
Java version 1.8.set path variables. It works fine.
Trying to execute* start-all.cmd.got. *Got the below error*.* I couldn't
find folder* conf in *hadoop home.
U:\Desktop\hadoop-2.7.2\sbin>start-all.cmd
This script is
Hi All,
I am learning Hadoop- Yarn.
1,How a job works in YARN/Map Reduce? like navigation path.
Please check my understanding is right?
When the application or job or client starts,client communicate with Name
node.
the application manager started on node ( data node ), Application manager
Hi All,
I configured Hadoop 2.7.1 on Windows 32 bit.
Core-site.xml
-
fs.defaultFS
hdfs://localhost/
when i execute the below command,it shows error.
C:\hadoop-2.7.1\hadoop-2.7.1\sbin>*hadoop fs -ls*
ls: `.': No such file or directory
If i execute like below,it show
Hi,
I configured hadoop 2.7.1 on windows 7 (32 bit ) in C Drive.
I tried to format using "*hdfs namenode -forma*t',name node files are
created at *C:\tmp\hadoop-user\dfs\name*.but the property "C:\name" in
hdfs-site.xml .
*hdfs namenode -format*
-10.219.149.100-1457674982841
16/03/11 11:13:03
Hi All,
Please help me.
Thanks & Regards,
Vinodh.N
On Fri, Mar 4, 2016 at 6:29 PM, Vinodh Nagaraj
wrote:
> Hi All,
>
> I am new bee to Hadoop.
>
> I installed hadoop 2.7.1 on windows 32 bit machine ( windows 7 ) for
> learning purpose.
>
> I can execute start-all.
Hi All,
I am new bee to Hadoop.
I installed hadoop 2.7.1 on windows 32 bit machine ( windows 7 ) for
learning purpose.
I can execute start-all.cmd successfully.
When i execute jps,i got the below output.
28544 NameNode
35728
36308 DataNode
43828 Jps
40688 NodeManager
33820 ResourceManager
My c
Hi All,
I Installed hadoop.Then format it.
I tried to execute start-dfs.cmd,but i got error.
[image: Inline image 1]
Thanks & Regards,
Vinodh.N
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