Hadoop Professionals

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Forum Discussions (205)

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Greg

send fs command to inactive namenode

Hi When namenode installed and formatted, I want to test/create /hbase directory. I'm looking a way to execute the following command, with…

Started by Greg

0 on Wednesday
fodnaz

How to deploy web application on hadoop?

Hi, I am working on a project to convert a standalone Java web application into Hadoop plateform.    Is there any documentation on other pr…

Started by fodnaz

1 on Wednesday
Reply by Mino De Raj
Mino De Raj

START A HADOOP JOB FROM A WEB PAGE

Hey I am supposed to start a hadoop job from a web page. I am not sure how to do it. I use apache2 and using php i must start the hadoop jo…

Started by Mino De Raj

0 on Wednesday
Prabha Satya

error while installing hadoop singlenode cluster on ubuntu 11.04

I am having trouble solving the following error in my system .Please help.I am getting the error whle installing hadoop 0.20.0 single node…

Started by Prabha Satya

0 Jan 30
Hamid Oliaei

Sending data and message to all nodes

Hi, I want to run a MR procedure.Then send messages and data to all or some of nodes. After that run another MR. Is there any solution unde…

Started by Hamid Oliaei

0 Jan 30
ramzi

exception occured while starting hadoop

Hi, Installed hadoop on Ubuntu 11.10 using this tutorial : http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-single-node

Started by ramzi

2 Jan 28
Reply by Vikas Srivastava
Greg

Incompatible namespaceIDs after formatting namenode

Hi, We just started implementation of cloudera hadoop on our system for the first time. After reformatting a namenode for a few times, Dat…

Started by Greg

1 Jan 28
Reply by Vikas Srivastava
Raj Kumar

Regarding Map Reduce Program

Hi, I am totally new to this Hadoop programming,  I need a clarification regarding Map reduce implementation. Any suggestions are appreci…

Started by Raj Kumar

1 Jan 28
Reply by Vikas Srivastava
Bhavesh Shah

Query related to Hadoop's map-reduce

Scenario: I have one subset of database and one dataware house. I have bring this both things on HDFS. I want to analyse the result based o…

Started by Bhavesh Shah

1 Jan 28
Reply by Vikas Srivastava
Prabha Satya

hardware failures in hadoop

Hi all,   We are doing a project in hadoop"A hadoop compatible framework for detecting network topology and detecting and diagnosing hardwa…

Started by Prabha Satya

1 Jan 28
Reply by Vikas Srivastava

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