Streaming scripts need more information
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Key: HADOOP-4233
URL: https://issues.apache.org/jira/browse/HADOOP-4233
Project: Hadoop Core
Issue Type: Improvement
Components: contrib/streaming
Reporter: Andrey Gladyshev
Streaming scripts are lack of useful information.
For example we need job.get("map.input.file")) in script.
Information can be provide by environment variable.
It's easy to implement by adding in PipeMapRed.configure() something like:
// add HADOOP_INPUTFILE environment variable with the value of input filename
envPut(childEnv, "HADOOP_INPUTFILE", job_.get("map.input.file"));
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