opentelemetry

• 2026-06-117 min

  OpenTelemetry as APM replacement: one SDK, any backend

  How OpenTelemetry replaces vendor APM tools (Elastic, Datadog, Dynatrace) with one SDK, one protocol, and a Grafana stack for zero licensing cost.

  opentelemetryobservabilitygrafanakubernetesdevops

• 2026-04-133 min

  OpenTelemetry bridge: APISIX → otel-collector → Elasticsearch APM

  APISIX sends OTLP/HTTP traces; APM Server wants gRPC. An otel-collector deployment bridges the two. fullnameOverride is critical.

  kubernetesobservabilityapisixopentelemetry

• 2026-03-133 min

  OpenTelemetry in .NET: traces, metrics, and logs with minimal boilerplate

  OTel SDK setup in Program.cs, Prometheus exporter for /metrics, custom ActivitySource spans, custom Meter counters and histograms, OTLP exporter, and OTel Collector HelmRelease.

  dotnetobservabilityopentelemetrykubernetes

• 2026-02-145 min

  Elastic APM Server in Kubernetes

  APM Server HelmRelease from the elastic chart, OTLP/gRPC ingestion, Elasticsearch credentials via ESO, number_of_replicas:0 for single-node, bootstrap in the ES script.

  observabilityelasticsearchkubernetesopentelemetry

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