pipes
The command is used to run a pipes job.
The usage is as follows:
$ mapred pipes [-conf <path>] [-jobconf <key=value>, <key=value>, ...] [-input <path>] [-output <path>] [-jar <jar file>] [-inputformat <class>] [-map <class>] [-partitioner <class>] [-reduce <class>] [-writer <class>] [-program <executable>] [-reduces <num>]-conf <path> |
The path to a job configuration file |
-jobconf <key=value,key=value,…> |
Adds/overrides configuration properties for a job |
-input <path> |
The path to the input directory |
-output <path> |
The path to the output directory |
-jar <jar file> |
Specifies the JAR file name |
-inputformat <class> |
The name of the InputFormat class |
-map <class> |
The name of the Map class |
-partitioner <class> |
The name of the Partitioner class |
-reduce <class> |
The name of the Reducer class |
-writer <class> |
The name of the RecordWriter class |
-program <executable> |
The URI to the executable |
-reduces <num> |
The number of reduces |
Example:
$ mapred pipes -conf job_463823057_6457