example2.py

import logging
import logging.config

ray_data_logger_config = {
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "default": {
            "format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
        },
    },
    "handlers": {
        "console": {
            "class": "logging.StreamHandler",
            "formatter": "default",
            "level": "INFO",
        },
    },
    "loggers": {
        "Ray.data": {
            "handlers": ["console"],
            "level": "INFO",
            "propagate": False,
        },
    },
}

logging.config.dictConfig(ray_data_logger_config)

ray_data_logger = logging.getLogger("Ray.data")
ray_data_logger.info("This is an INFO log from Ray.data.")
ray_data_logger.warning("This is a WARNING log from Ray.data.")
ray_data_logger.info(f"Ray data propagate {ray_data_logger.propagate}")

ray_logger_config = {
    "incremental": True,
    "version": 1,
    "disable_existing_loggers": False,
    "formatters": {
        "default": {
            "format": "abc %(name)s - %(levelname)s - %(message)s",
        },
    },
    "handlers": {
        "console": {
            "class": "logging.StreamHandler",
            "formatter": "default",
            "level": "DEBUG",
        },
    },
    "loggers": {
        "Ray": {
            "handlers": ["console"],
            "level": "DEBUG",
            "propagate": False,
        },
    },
}

logging.config.dictConfig(ray_logger_config)

ray_logger = logging.getLogger("Ray")
ray_logger.debug("This is a DEBUG log from Ray.")
ray_logger.error("This is an ERROR log from Ray.")

ray_data_logger.info("Another INFO log from Ray.data.")
ray_data_logger.info(f"Ray data propagate {ray_data_logger.propagate}")