Configuration property fixed at build time - All other configuration properties are overridable at runtime
| Type | Default | |
|---|---|---|
| Defines if the Jaeger extension is enabled. Environment variable:  | boolean | 
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| Whether metrics are published in case a metrics extension is present. Environment variable:  | boolean | 
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| The traces endpoint, in case the client should connect directly to the Collector, like http://jaeger-collector:14268/api/traces Environment variable:  | ||
| Authentication Token to send as "Bearer" to the endpoint Environment variable:  | string | |
| Username to send as part of "Basic" authentication to the endpoint Environment variable:  | string | |
| Password to send as part of "Basic" authentication to the endpoint Environment variable:  | string | |
| The hostname and port for communicating with agent via UDP Environment variable:  | host:port | |
| Whether the reporter should also log the spans Environment variable:  | boolean | |
| The reporter’s maximum queue size Environment variable:  | int | |
| The reporter’s flush interval Environment variable:  | ||
| The sampler type (const, probabilistic, ratelimiting or remote) Environment variable:  | string | |
| The sampler parameter (number) Environment variable:  | ||
| The host name and port when using the remote controlled sampler Environment variable:  | host:port | |
| The service name Environment variable:  | string | |
| A comma separated list of name = value tracer level tags, which get added to all reported spans. The value can also refer to an environment variable using the format ${envVarName:default}, where the :default is optional, and identifies a value to be used if the environment variable cannot be found Environment variable:  | string | |
| Comma separated list of formats to use for propagating the trace context. Defaults to the standard Jaeger format. Valid values are jaeger and b3 Environment variable:  | string | |
| The sender factory class name Environment variable:  | string | |
| Whether the trace context should be logged. Environment variable:  | boolean | 
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| Whether the registration of tracer as the global tracer should be disabled. This setting should only be turned on in tests that need to install a mock tracer. Environment variable:  | boolean | 
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| Whether jaeger should run in zipkin compatibility mode Environment variable:  | boolean | 
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| About the Duration format To write duration values, use the standard  You can also use a simplified format, starting with a number: 
 In other cases, the simplified format is translated to the  
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