{
    "comment": "A ray-tracing application which creates video frames. The dependencies are all from local dirs /tmp/local_data", 
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        "name": "linux"
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            "checksum": "c65266cd2b672854b821ed93028a877a", 
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            "mountpoint": "/tmp/4_cubes.pov", 
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    "cmd": "povray +I/tmp/4_cubes.pov +O/tmp/frame000.png +K.0  -H50 -W50", 
    "hardware": {
        "cores": "1", 
        "disk": "2GB", 
        "arch": "x86_64", 
        "memory": "1GB"
    }, 
    "environ": {
        "PWD": "/tmp"
    }, 
    "output": {
        "files": [
            "/tmp/frame000.png"
        ], 
        "dirs": []
    }, 
    "os": {
        "ec2": {
            "ami": "ami-2cf8901c",
            "region": "us-west-2",
            "user": "ec2-user"
        },
        "name": "Redhat", 
        "format": "tgz", 
        "checksum": "669ab5ef94af84d273f8f92a86b7907a", 
        "source": [
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        ], 
        "version": "6.5", 
        "size": "633848940", 
        "id": "669ab5ef94af84d273f8f92a86b7907a", 
        "uncompressed_size": "1743656960"
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            "mountpoint": "/software/povray-3.6.1-redhat6-x86_64", 
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}