docs/sample_log_config.yaml


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# Log configuration for Synapse.
#
# This is a YAML file containing a standard Python logging configuration
# dictionary. See [1] for details on the valid settings.
#
# [1]: https://docs.python.org/3.7/library/logging.config.html#configuration-dictionary-schema

version: 1

formatters:
    precise:
        format: '%(asctime)s - %(name)s - %(lineno)d - %(levelname)s - %(request)s - %(message)s'

filters:
    context:
        (): synapse.logging.context.LoggingContextFilter
        request: ""

handlers:
    file:
        class: logging.handlers.RotatingFileHandler
        formatter: precise
        filename: /var/log/matrix-synapse/homeserver.log
        maxBytes: 104857600
        backupCount: 10
        filters: [context]
        encoding: utf8
    console:
        class: logging.StreamHandler
        formatter: precise
        filters: [context]

loggers:
    synapse.storage.SQL:
        # beware: increasing this to DEBUG will make synapse log sensitive
        # information such as access tokens.
        level: INFO

root:
    level: INFO
    handlers: [file, console]

disable_existing_loggers: false