Runs an MRJob locally, for testing purposes. Invoked when you run your job with -r local.
Unlike InlineMRJobRunner, this actually spawns multiple subprocesses for each task.
This is fairly inefficient and not a substitute for Hadoop; it’s main purpose is to help you test out setup commands.
It’s rare to need to instantiate this class directly (see __init__() for details).
Arguments to this constructor may also appear in mrjob.conf under runners/local.
LocalMRJobRunner‘s constructor takes the same keyword args as MRJobRunner. However, please note: