Instrumentation adds code or integrations that emit measurements and diagnostic signals about software execution. During legacy-application modernization, it supports end-to-end observability across distributed operating environments. section 16.1
Operational implications:
- Replaces dependence on logging into a dedicated virtual machine for viewing logs or debugging. section 16.1
- Enables teams to monitor and investigate incidents across large sets of nodes. section 16.1
- Fits alongside migration from virtual machines to containers and managed environments such as GKE or Anthos. section 16.1












