skywalking-java/docs/en/setup/service-agent/java-agent/Setting-override.md

Setting Override

In default, SkyWalking provide agent.config for agent

Setting override means end user can override the settings in these config file, through using system properties.

Use skywalking. + key in config file as system properties key, to override the value.

• Why need this prefix?

  The agent system properites and env share with target application, this prefix can avoid variable conflict.

• Override priority

  System.Properties(-D) > Config file

• Example

  Override agent.application_code by this.

-Dskywalking.agent.application_code=31200