Hadoop 2 is Now GA !!!!!

[Senthil Kumar]

Hi All

I am happy that much awaited Hadoop 2 is now GA.

http://hortonworks.com/blog/apache-hadoop-2-is-ga/ 

https://blogs.apache.org/foundation/entry/the_apache_software_foundation_announces48

http://mail-archives.apache.org/mod_mbox/hadoop-general/201310.mbox/%3C5D536FE8-FFE6-4DB0-9E7B-CFA3F67F0B6A%40hortonworks.com%3E 

Happy Hadooping 2 !!!!

Senthil

[HEMANT GUPTA]

Could anyone is there to help in Hadoop single node development with Linux,Hadoop and Java through screensharing .

[Sb Gowtham]

hi hemant

1.Download hadoop some latest version(other than 2.0) and download java for linux

2.in configuration 

core-site.xml(set this property)

<property>

<name>fs.default.name</name>

<value>hdfs://localhost:50000</value>

</property>

mapred-site.xml

<property>

<name>mapred.job.tracker</name>

<value>hdfs://localhost:50001</value>

</property>

hdfs-site.xml

<property>

<name>dfs.name.dir</name>

<value>/root/hadoop-dir/name-dir</value>  (instead of your root pt your username)

</property>

<property>

<name>dfs.data.dir</name>

<value>/root/hadoop-dir/data-dir</value>  (instead of your root pt your username)

</property>

<property>

3.Download the openssh-server 

4.create key gen (ssh-keygen -t rsa)type this in terminal

then type this

cat id_rsa.pub >> authorized_keys

5.finally format your namenode

bin/hadoop namenode -format

thats it .

On Wed, Oct 16, 2013 at 9:36 PM, HEMANT GUPTA <hemantro...@gmail.com> wrote:

Could anyone is there to help in Hadoop single node development with Linux,Hadoop and Java through screensharing .

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[Sb Gowtham]

and set your java path in bashrc and hadoopenv.sh

[dharmendra pratap singh]

Hi Senthil,

Thanks for updating on this good news.

Can you please share some details on configuration and cluster setup of the same.

What extra configurations that we need to do in this hadoop 2.

Thanks a lot.

Regards

Dharmendra

--

[Naveen Subramani]

9 Simple Steps for installing Apache Hadoop 2.2.0 Stable Release ( Single Node Cluster ) 

http://nextgenhadoop.blogspot.in/

[Selva Kumar]

Hi senthil,

Could you Please share that HUG Meeting Hadoop 2 presentation?.

[Senthil Kumar]

Hi All

Please find the PPT which i have taken in User Group.



Happy Hadooping!!!

Senthil Kumar

Chennai Hadoop Users group

[Pari]

Thank you Senthil. Good to know these concepts.

Pari.M

[Karthik Pitchaimani]

Thank you Senthil.....

Regards,

Karthik.P

[shriram chandra]

Thank you Senthil.

Regards,

Shriram Chandra.A

Imagination is more important than Education.

[Sakthivel Murugasamy]

Very informative PPT.

Thanks Senthil.

Regards,

Sakthivel

[sudhakar kurakula]

Hi ,

 

Any one can send me this PPT(Hadoop 2) which is shared by Senthil.

 

Regards,

KSR

[Sakthivel Jp]

Hi Sudhakar,

Please have look attached PPT (Hadoop 2) Which one was shared by Senthil to our group.

Regards

Sakthivel JP

[sudhakar kurakula]

Thank you Sakthivel.

 

Senthil -- You prepared very good document and helps a lot to understand  MR1 and MR2.

 

Regards,

KSR

[Anooj Prabaharan]

Hi can you please send the steps for hadoop 2 cluster... i get error like

dut7: # A fatal error has been detected by the Java Runtime Environment:

dut7: #

dut7: #  SIGSEGV (0xb) at pc=0x000000335ba4812c, pid=4368, tid=140618348889856

dut7: #

dut7: # JRE version: OpenJDK Runtime Environment (7.0_51-b02) (build 1.7.0_51-mockbuild_2014_01_14_19_09-b00)

dut7: # Java VM: OpenJDK 64-Bit Server VM (24.45-b08 mixed mode linux-amd64 compressed oops)

dut7: # Problematic frame:

dut7: # C  [libc.so.6+0x4812c]  _IO_vfprintf+0x3e5c

wts the issue