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Logging configuration changes

Warning

Kibana 8.0.0 and later uses a new logging system. Before you upgrade, read the documentation for your Kibana version.

Parameter Log record in pattern* format Legacy log record in *text format
@timestamp ISO8601_TZ 2012-01-31T23:33:22.011-05:00 Absolute 23:33:22.011
logger parent.child ['parent', 'child']
level DEBUG ['debug']
meta stringified JSON object {"to": "v8"} N/A
pid can be configured as %pid N/A

Parameter Log record in json* format Legacy log record *json format
@timestamp ISO8601_TZ 2012-01-31T23:33:22.011-05:00 ISO8601 2012-01-31T23:33:22.011Z
logger log.logger: parent.child tags: ['parent', 'child']
level log.level: DEBUG tags: ['debug']
meta merged in log record {... "to": "v8"} merged in log record {... "to": "v8"}
pid process.pid: 12345 pid: 12345
type N/A type: log
error { message, name, stack } { message, name, stack, code, signal }