log.yaml

writers: stdout # file,stdout.`file` will let `logger_file` to file，`stdout` will show at std, most of the time use bose
logger_level: DEBUG # DEBUG INFO WARN ERROR FATAL
# logger_file: logs/foo.log # "" is not writer log file, and this will cover by env: CHASSIS_HOME
log_hide_lineno: false # `true` will hide code line number, `false` will show code line number, default is false
log_format_text: false # format_text `false` will format json, `true` will out stdout
rolling_policy: size # rotate policy, can choose as: daily, size. `daily` store as daily，`size` will save as max
log_rotate_date: 1 # max 10 days, greater than will change to 1, rotate date, coordinate `log_rotate_date: daily`
log_rotate_size: 8 # max 64M, greater than will change to 10, rotate size，coordinate `rollingPolicy: size`
log_backup_count: 7 # max 100 files, greater than will change to 7, log system will compress the log file when log reaches rotate set, this set is max file count