1 2
RUBY_LOGLEVEL (?:DEBUG|FATAL|ERROR|WARN|INFO) RUBY_LOGGER [DFEWI], \[%{TIMESTAMP_ISO8601:timestamp} #%{POSINT:process.pid:int}\] *%{RUBY_LOGLEVEL:log.level} -- +%{DATA:process.name}: %{GREEDYDATA:message}