Elastic Map Reduce Troubleshooting

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How to run a background task to generate some fake output to stdout

See the Phase Algorithm on Elastic MapReduce example where the mapper script spawns a background task to generate some output to stdout and stderr

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Run a bootstrap-action script. See A Simple Example of an R MapReduce Job Getting Started with R on Elastic Map Reduce for that script.

How to transfer files from your job to S3

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