The config.yml file contains the logging information.
logging:
level: INFO
loggers:
"org.alfresco.service.common.auth": WARN
"org.apache.activemq": WARN
"com.sun.jersey.api.container.filter.LoggingFilter": WARN
"org.alfresco.service": INFO
appenders:
- type: console
threshold: ALL
timeZone: UTC
target: stdout
logFormat: "%-5level [%d{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %logger - %msg%n"
- type: file
threshold: ALL
timeZone: UTC
currentLogFilename: ./logs/sync-service.log
archive: true
archivedLogFilenamePattern: ./logs/sync-service-%d.log.gz
archivedFileCount: 5
logFormat: "%-5level [%d{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %logger - %msg%n"