Welcome to r³

{% if not input_streams %}

It appears you didn't setup any input streams!

Input Streams are classes that generate units-of-work that your mappers will work on.

Creating them is as simple as creating a class that has a process method and a job_type argument:

After you create your input stream, just add it to a config.py file:

Then pass the file path as an argument to r3-app like this:

For more information check the documentation online.

{% end %} {% if not mappers %}

Setting mappers to run your map/reduce tasks is an integral part of r³ and is as simple as creating a class that inherits from Mapper:

Running the mappers is pretty simple as well. Say you want to run four different mappers:

For more information check the documentation online.

{% end %} {% if not has_reducers %}

Reducers are the classes that get the mapped units-of-work generated by your mappers and process them into a single coherent result.

Creating them is as simple as creating a class that has a reduce method and a job_type argument:

After you create your input stream, just add it to a config.py file:

Then pass the file path as an argument to r3-app like this:

For more information check the documentation online.

{% end %} {% if mappers %}

{% end %} {% if input_streams %}

Please be advised that the link below may not work if your input stream requires additional arguments in it's URL.

{% end %}