The field hostname, app_name, app_instance and default_type
are values used by the Collectd integration of StatsLog.
Collectd identify resources using an identifier, that has the
following form: 'hostname/plugin-pinstance/type-tinstance'.
Every resource written by a process MUST have the same 'hostname',
'plugin' and 'pinstance' values.
hostname value is not limited or checked in any way.
Other identifier shall only include alphanum ([a-z] [A-Z] [0-9]),
underscores ('_') and dots ('.').
Instance parts can also include dashes ('-').
Stats log config class
The field hostname, app_name, app_instance and default_type are values used by the Collectd integration of StatsLog.
Collectd identify resources using an identifier, that has the following form: 'hostname/plugin-pinstance/type-tinstance'. Every resource written by a process MUST have the same 'hostname', 'plugin' and 'pinstance' values. hostname value is not limited or checked in any way. Other identifier shall only include alphanum ([a-z] [A-Z] [0-9]), underscores ('_') and dots ('.'). Instance parts can also include dashes ('-').