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Serverless computing

As explained in Cloud Observability in Action

A serverless environment is an execution environment in which the provider manages the underlying servers and infrastructure for application code.

Serverless computing runs application code in an environment where the provider owns and maintains the underlying servers. You consume the platform through APIs and dashboards rather than provisioning machines. section 3.2.4

Its operational profile includes:

  • No server administration or ordinary SSH access; provider APIs expose logs and metrics instead. section 3.2.4
  • Less patching work because the provider typically handles operating-system and language-runtime security updates, while application vulnerabilities still require attention and testing. section 3.2.4
  • Autoscaling changes compute capacity with workload demand, reducing capacity-management responsibility. section 3.2.4

The trade-off is practical rather than absolute: serverless usually reduces operational effort but also limits control. Workloads needing kernel modules, hardware configuration, or unavailable industry certifications may require managed servers instead. section 3.2.4 section 3.6

Figure 3.4 AWS Lambda monitoring in the console

A provider console illustrates how serverless monitoring replaces host-level inspection with platform dashboards. section 3.2.4

How Cloud Observability in Action covers it

How deep it goes
Explains access, patching, autoscaling, and observability boundaries, but stops short of implementation configuration.
Examples
Uses AWS Lambda monitoring in a provider console as its concrete serverless example.
What you can do after
Evaluate serverless suitability against operational effort, observability control, low-level requirements, and regulatory constraints.
How it connects
Connects serverless computing with observability, autoscaling, logs, metrics, traces, and functions.

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This explainer was generated by Manning's knowledge graph from the text of Cloud Observability in Action. The section links point to the parts of the book it draws on.