logging.json

{
    "version": 1,
    "disable_existing_loggers": false,
    "formatters": {
        "concise": {
            "class": "logging.Formatter",
            "format": "%(asctime)s %(levelname).5s - %(message)s"
        },
        "verbose": {
            "class": "logging.Formatter",
            "format": "%(asctime)s %(levelname).5s - %(process)d:%(threadName)s; %(name)s.%(funcName)s#%(lineno)d: %(message)s"
        }
    },
    "handlers": {
        "console": {
            "level": "INFO",
            "class": "logging.StreamHandler",
            "formatter": "concise",
            "stream": "ext://sys.stdout"
        },
        "file_handler": {
            "level": "DEBUG",
            "class": "logging.handlers.RotatingFileHandler",
            "formatter": "verbose",
            "filename": "/var/nephele/nephele.log",
            "mode": "a",
            "maxBytes": 26214400,
            "backupCount": 5,
            "encoding": "utf-8"
        }
    },
    "loggers": {},
    "root": {
        "handlers": [
            "console",
            "file_handler"
        ],
        "level": "DEBUG"
    }
}