This is the Cascading.Load (Load) application.
Load provides a simple command line interface for building high load cluster jobs, based on Cascading.
Cascading is an application framework for Java developers to quickly and easily develop robust Data Analytics and Data Management applications on Apache Hadoop. It can be found at http://www.cascading.org/
Installation is not necessary if you want to run Load directly from the distribution folder, or if Load was pre-installed with your Hadoop distribution.
To see if Load has already been added to your PATH, type:
$ which load
To install for all users into /usr/local/bin:
$ sudo ./bin/load install
or for the current user only into ~/.load:
$ ./bin/load install
For detailed instructions:
$ ./bin/load help install
Choose the method that best suites your environment.
If you are running Load on AWS Elastic MapReduce, you need to follow the
Elastic MapReduce instructions
on the AWS site, which typically expect the
load-<release-date>.jar to be uploaded to AWS S3.
The environment variable HADOOP_HOME should always be set to use
Cascading.Load.
To run from the command line with the jar, Hadoop should be in the path:
$ hadoop jar load-<release-date>.jar <args>
or if Load has been installed from above:
$ load <args>
If no args are given, a comprehensive list of commands will be
printed. That list is also available as COMMANDS.md in this
directory.
This release uses Cascading 2.0 and will pull all dependencies from the relevant maven repos, including http://conjars.org
To build a jar,
$ gradle jar
To test,
$ gradle test
See apl.txt in this directory.