logstash.yml | Logstash Reference [7.16] | Elastic
www.elastic.co › guide › enlogstash.yml edit You can set options in the Logstash settings file, logstash.yml, to control Logstash execution. For example, you can specify pipeline settings, the location of configuration files, logging options, and other settings. Most of the settings in the logstash.yml file are also available as command-line flags when you run Logstash.