Observability Aug 19, 2026 3 min read
PostgreSQL and MySQL Observability and Capacity Explained
Correlate demand, pools, sessions, transactions, locks, plans, storage, logs, and replicas without leaking sensitive database data.
Tag
Observability
19 articles with this tag. Follow these related notes when you want a narrower study path.
Java Aug 19, 2026 4 min read
JVM Profiling and JFR for Production Backends
Use Java 25 Flight Recorder to investigate CPU, allocation, GC, locks, I/O, and virtual threads without overstating profile evidence.
Reliability Labs Aug 19, 2026 4 min read
SLO Incident Triage Lab: Evidence Gaps, Alerts, and Recovery
Run six deterministic browser scenarios that compare modeled user impact with observed telemetry, alert windows, and recovery evidence.
System Design Aug 19, 2026 4 min read
Telemetry Quality, Semantic Conventions, and Cardinality Explained
Build trustworthy telemetry contracts for identity, schemas, units, timestamps, missing data, duplicates, and bounded dimensions.
Backend Aug 19, 2026 4 min read
Spring Boot, Micrometer, and OpenTelemetry Instrumentation
Instrument a Spring order service with Actuator, Micrometer Observation, tracing, OTLP, bounded dimensions, and tested propagation.
Cloud Native Aug 18, 2026 3 min read
Kubernetes Observability and Debugging for Backend Workloads
Trace user impact through workload state, Pod events, container reasons, metrics, logs, traces, dependencies, and durable business evidence.
Backend Aug 5, 2026 10 min read
Production Spring Boot Incident Troubleshooting
Troubleshoot Spring Boot incidents from evidence through reversible mitigation, rollback, and recovery verification across correctness, users, and resources.
Backend Aug 5, 2026 11 min read
Spring Boot Actuator, Health, and Metrics Explained
Operate Spring Boot with minimal Actuator exposure, safe health groups, liveness and readiness boundaries, low-cardinality metrics, and graceful shutdown.
System Design Aug 4, 2026 10 min read
Production Slow Query Troubleshooting for Backend Systems
Use a production runbook to connect user impact, query fingerprints, waits, plans, estimates, buffers, locks, MVCC, pools, mitigations, and verified recovery.
System Design Aug 2, 2026 10 min read
Distributed Tracing and Context Propagation Explained
Trace backend work across HTTP and message queues with W3C context, safe baggage, meaningful spans, sampling boundaries, and broken-trace tests.
System Design Aug 2, 2026 12 min read
Observability for Backend Systems Explained
Learn how logs, metrics, traces, and events work together to diagnose backend failures, protect telemetry quality, and verify recovery.
System Design Aug 2, 2026 11 min read
OpenTelemetry Collector Pipeline Explained
Build a resilient vendor-neutral telemetry pipeline with OTLP receivers, memory limits, batching, redaction, retries, queues, and self-monitoring.
System Design Aug 2, 2026 11 min read
Production Incident Troubleshooting with Logs, Metrics, and Traces
Follow an evidence-driven incident runbook from SLO alert and triage through metrics, traces, logs, mitigation, recovery verification, and postmortem.
System Design Aug 2, 2026 10 min read
Production Overload Troubleshooting for Backend Systems
Run an evidence-driven backend overload response from page and user impact through mitigation, controlled recovery, and durable verification.
System Design Aug 2, 2026 11 min read
RED, USE, and Golden Signals Explained
Use RED, USE, and the four golden signals to diagnose request and resource failures with PromQL, safe labels, histograms, and exemplars.
System Design Aug 2, 2026 11 min read
SLI, SLO, Error Budgets, and Burn-Rate Alerts Explained
Turn user journeys into measurable SLIs, realistic SLOs, error budgets, and multi-window burn-rate alerts that page on sustained impact.
System Design Aug 2, 2026 11 min read
Structured Logging and Correlation IDs Explained
Design searchable JSON logs and correlation IDs that connect requests, messages, traces, and failures without leaking secrets or exploding cost.
Backend Jul 2, 2026 5 min read
Security Event Logging Explained
Learn security event logging for backend systems, including auth events, API abuse signals, safe metadata, alerting, retention, and mistakes.
Backend Jul 1, 2026 6 min read
Audit Logs Explained for Backend Systems
Learn what audit logs are in backend systems, including actor, action, resource, timestamp, metadata, retention, privacy, and investigation workflows.