Eclipse in Linux remotely runs mapreduce to a Hadoop cluster

Assume that the cluster is already configured.

On the development client Linux CentOS 6.5:

A. The client CentOS has an access user with the same name as the cluster: Huser.

B.vim/etc/hosts joins the Namenode and joins the native IP.

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1. Install Hadoop cluster with the same version of JDK, Hadoop,

2.Eclipse compile and install the same version of Hadoop-plugin,

2.a setting preference->hadoop mr->hadoop install directory

2.b setting the IP and port number of the Hadoop-plugin

3. Copy the Hadoop configuration file Core-site.xml to the client's specified directory/home/huser

4. Create the Mr Project and import the Hadoop Lib

Create a WordCount class.

5.run Hadoop;run Config

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Eclipse in Linux remotely runs mapreduce to a Hadoop cluster