Network Observability: Signals for Reliable Services
Track network health across hosts, DNS, paths, proxies, and requests. Learn which signals help diagnose failures without confusing telemetry with service SLOs.
Posts tagged with #observability
Network Performance: Latency, Throughput, Jitter & Loss
Understand bandwidth, throughput, latency, RTT, jitter, and packet loss with practical measurements, tail percentiles, and production diagnostic guidance.
Packet Capture and Network Troubleshooting: Layered Workflow
Use a layered workflow to diagnose DNS, route, TCP, TLS, and HTTP failures with ping, curl, tcpdump, and Wireshark, then collect useful incident evidence.
Debugging Backend Applications
Use a repeatable backend debugging workflow to reproduce failures, inspect evidence, test one hypothesis at a time, and verify fixes safely in production.
API Gateway and Integration Monitoring
Monitor API gateways and downstream integrations with route-level health signals, dependency metrics, useful alerts, and clear ownership boundaries.
Structured Logs, Metrics, and Correlation IDs for APIs
Instrument API integrations with structured logs, service metrics, and correlation IDs so teams can trace failures without exposing secrets or personal data.
Java Flight Recorder: Continuous Monitoring and Diagnostics
Learn how Java Flight Recorder captures low-level diagnostics, profiling data, and continuous monitoring events from the JVM in production environments.
JMX and MXBeans: JVM Hotspot Diagnostics and Custom MBeans
Learn how to use JMX and MXBeans to monitor JVM memory pools, perform hotspot diagnostics, and build custom MBeans for production observability.
Performance Profiling
Master Linux performance profiling with perf, ftrace, BCC tools, and flame graphs to identify and eliminate kernel bottlenecks.
Alerting in Production: Building Alerts That Matter
Build alerting systems that catch real problems without fatigue. Learn alert design principles, severity levels, runbooks, and on-call best practices.