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Hadoop 0.20 Streaming Configuration
Hadoop 0.20 and later supports the three streaming parameters described in the following table, in addition to the version 0.18 parameters.
| Parameter | Description |
|---|---|
-files
| Specifies comma-separated files to copy to the MapReduce cluster. |
-archives
| Specifies comma-separated archives to restore to the compute machines. |
-D
| Sets a Hadoop configuration variable. KEY is a Hadoop configuration,
such as mapred.map.tasks, and VALUE is the new value. |
The --files and --archives parameters are similar to
--cacheFile and --cacheArchive of Hadoop 0.18, except that
they accept comma-separated values.
