Kubernetes observability training for production diagnosis teams

Private, instructor-led training for engineers who operate interacting Kubernetes services or data workloads and need to explain their behavior using telemetry.

More dashboards do not automatically resolve an incident. Signal scope, resource identity, timing, and missing context determine whether an observation supports the proposed cause.

LearnKube connects a representative service path to logs, events, metrics, and traces. Engineers compare explanations and select an investigation that can distinguish them.

Hands-on learning and the skills engineers take back to work.

Preview: course-wide figures are not yet available.

  • Hands-on learning
    Of instruction time spent on labs and challenges.
  • Troubleshooting confidence
    Of respondents report greater confidence diagnosing Kubernetes problems.
  • Relevant to your work
    Of respondents say the course addressed their engineering responsibilities.
  • Skills put into practice
    Of respondents applied their new skills at work within 90 days.
  • Explain the available signals through their collection scope and workload context, so the team knows which behavior each observation describes.
  • Diagnose a likely failure path using correlated application and platform evidence, so engineers can distinguish a useful explanation from coincident changes.
  • Validate a correction with the original service observation and supporting signals, so the team can identify gaps in the apparent recovery.
  • Make investigations repeatable through a documented question, evidence set, and next action, so another engineer can follow the reasoning.

The team already collects telemetry, but logs, metrics, and traces describe different views of system activity. Kubernetes logging architecture also affects what remains available after replacement. Engineers need to connect signal scope, resource identity, and service behavior before interpreting a missing record or simultaneous metric change as proof of the underlying failure cause.

I want the engineer to explain what the signal cannot show. Two graphs changing together can suggest an investigation, but the next observation must distinguish the proposed mechanism from another cause with the same visible effect.

— Daniele Polencic, LearnKube founder and Kubernetes instructor

Production questionMechanism to understandPractice
What does this signal cover?Collection scope and identityInspect the observation boundary
Where did the request wait?Traces and dependency pathsFollow a representative request
What evidence disappeared?Pod and log lifecyclesCompare retained and local records
Which explanation survives?Testable hypothesesSelect a distinguishing observation

Bloomreach's data-platform reliability work combines Kubernetes and cloud services with tracing, actionable alerts, telemetry-driven decisions, and incident diagnosis.

For engineers responsible for the Kubernetes parts of that environment, we recommend a four-day workshop on the relationship between service behavior and observed signals, using a bounded dependency path.

Participants need basic workload knowledge and access to representative telemetry. The focus is interpreting signals through Kubernetes mechanisms rather than installing every monitoring component.

Day 1

Explain probes, restarts, events, and application responses. Identify which signals describe the user symptom and which only describe a component's state.

  • Compare a failed request with the workload's health and restart history.
  • Define a hypothesis and the observation needed to challenge it.

Day 2

Connect releases, resource ownership, and replacement behavior to the telemetry labels and records used in diagnosis. Follow a resource through changes rather than assume names identify the same instance forever.

  • Trace a release or replacement across resource events and application records.
  • Find a gap caused by an observation or retention boundary.

Day 3

Examine DNS, traffic routing, dependencies, network policy, and resource placement. Correlate a service path with the platform evidence that can explain its delay or failure.

  • Follow a request across a selected application dependency.
  • Distinguish a network problem from a saturated or unavailable backend.

Day 4

Review data dependencies, autoscaling signals, credentials, and access to telemetry. Verify a correction with both service evidence and the supporting mechanism.

  • Repeat the original service observation after a bounded correction.
  • Record evidence coverage, alternative explanations, and the next useful check.

Your telemetry stack, operating questions, and workload responsibilities can shape the agenda. Get in touch to tailor the workshop to your team's work.

When an engineer equates correlation with cause, the instructor can create a second explanation for the same symptom and ask how to distinguish it. Bruce described explanatory teaching in a separate course:

The lectures were a good pace and explained things well with demos/images step by step

— Bruce, Software Engineer at Bloomberg.

Tell us which services your team observes, which failures remain difficult to explain, and which telemetry or workload components it owns. We will recommend focused investigations and their prerequisite knowledge.