Several kinds of operation about ETL

One: Code section

1. Create a new MAVEN project

2. Add the required Java code

3. Writing Mapper Class

4. Writing Runner class

Two: Operation mode

1. Run locally

2.

3.

Three: local operation mode

1. Unzip Hadoop to a local

　　

2. Modify the configuration file Hadoop_home

　　

3. Unzip the common package

　　

4. Copy the contents of the compressed package to the bin

　　

5. Prerequisites

The site file for core and hbase must exist in resource

　　

6. Uploading data

New Catalog/eventlogs/2015/12/20

Upload to Linux

　　

Uploading to HDFs

　　

7.

　　

Several kinds of operation about ETL