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Video 67
Learn Observability in 5 Hours - OpenTelemetry Complete Guide
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Theory
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Contents
0 of 7 sections complete · 7 min total
01
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Fundamentals of Observability
Observability provides information about the internal state of a system, including the application, the infrastructure, and the networking.âŠ
Concept
1 min read
02
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Metrics and Monitoring
Metrics are historical data points of events used to understand the health of a system. Monitoring systems scrape these metrics, representâŠ
Concept
1 min read
03
PromQL and Grafana Visualization
PromQL is the query language used to retrieve data from the Prometheus TSDB. Metrics can be queried and filtered using labels (e.g.,âŠ
Concept
1 min read
04
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Custom Metrics and Instrumentation
Instrumentation is the process of writing metrics, logs, or traces within the application code. Exporters cannot captureâŠ
Concept
1 min read
05
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Logging and EFK Stack
Logs are messages written by developers to explain application behavior and help debug failures. In a distributed microservicesâŠ
Concept
1 min read
06
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Distributed Tracing and Jaeger
Distributed tracing identifies the route and time taken between hops in a microservices architecture. If a request spans across a loginâŠ
Concept
1 min read
07
OpenTelemetry (OTel)
OpenTelemetry is a CNCF standard providing vendor-neutral APIs and SDKs for instrumenting metrics, logs, and traces. Hardcoding specificâŠ
Concept
1 min read