| Name | Description | Type | Package | Framework |
| MRJob | A Hadoop MapReduce job managed by Crunch. | Interface | org.apache.crunch.impl.mr | Apache Crunch |
| MRJob .State | A job will be in one of the following states. | Class | org.apache.crunch.impl.mr.MRJob | Apache Crunch |
| MRPipeline | Pipeline implementation that is executed within Hadoop MapReduce. | Class | org.apache.crunch.impl.mr | Apache Crunch |
| MRPipelineExecution | Nested Class SummaryNested classes/interfaces inherited from interface org. | Interface | org.apache.crunch.impl.mr | Apache Crunch |