Блог

Глубокие статьи о performance-инженерии, нагрузочном тестировании и подготовке к собеседованиям.

Deep DiveНОВОЕ8 мин чтения

How to Size Your Connection Pool: The Math Behind HikariCP

Most teams set maxPoolSize=10 and forget it. Here's the formula that actually works, derived from Little's Law and real production incidents.

PostgreSQLHikariCPJava
15 апреля 2025 г.
Comparison12 min

JMeter vs k6 vs Gatling in 2025: Which to Use and When

A practical comparison based on 200+ load tests. Scripting complexity, CI/CD integration, reporting, and performance overhead — all measured.

JMeterk6
8 апреля 2025 г.
Metrics6 min

Why P99 Latency is Lying to You (And What to Use Instead)

P99 is the standard. P99 is also misleading. Here's why histograms, P999, and error budgets give a much clearer picture of user experience.

MetricsPercentiles
1 апреля 2025 г.
JVM9 min

GC Tuning Before Your Load Test: A Checklist

Running a load test without tuning GC is like measuring car speed with flat tires. G1GC settings that will stop your test from being about garbage collection.

JVMG1GC
24 марта 2025 г.
Career20 min

40 Performance Testing Interview Questions (With Answers)

Compiled from 300+ mock interviews. Covers load test design, bottleneck analysis, tool knowledge, and the "why" questions that separate good candidates from great ones.

InterviewCareer
17 марта 2025 г.
Monitoring11 min

Prometheus Alerting Rules That Don't Wake You Up at 3am

Alert fatigue is real. Here are the rules we use in production: symptom-based alerts, multi-window burn rates, and how to tune thresholds without guessing.

PrometheusGrafana
10 марта 2025 г.

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