performance-testing

Enterprise Reference Architecture & interactive hands-on lab suite for Latency & Throughput, Core Banking Resilience, k6 Load Testing, OpenTelemetry Distributed Tracing, and HikariCP Tuning.

🚀 Showcase advanced PowerSub features with this demo project, illustrating seamless integration and enhanced user experience in automation tasks.

DevTools-driven load testing engine powered by Java 21 Virtual Threads. Ingest browser HAR traces, OpenAPI specs, and API collections into declarative stress.yaml blueprints for real-time benchmark testing.

Banking backend evolution from Spring Batch processing and PostgreSQL to a multi-channel BFF architecture for Web, Mobile and ATM using Spring Boot and Spring Security.

Tank is a downloadable application that can be used to load test websites

JMeter driven as Java code, where a virtual user is not a user of the system. Accounts, sessions and the stand's population are kept apart from the threads, and the population is established before the measured window. Profiles are validated without load. No JMX files and no response times before calibration.

Verification, validation & security testing of a Spring Boot + React hospital system: 88 test cases, Selenium-automated functional suite, JMeter, OWASP ZAP

Examples: coding techniques, algorithm comparisons, interview coding tests, useful utilities

Intelligent cloud testing made easy.

Measurement harness for DynamoDB GetItem/PutItem tail latency at 118 GiB — validity-gated, capacity-unit rate control, partition-scoped reads

Java load tester for HTTP APIs — stable, ramp-up, spike, and custom CSV traffic patterns, chained multi-step scenarios, parameterized requests, lock-free HdrHistogram metrics with coordinated-omission correction, circuit breaker, and real-time resource monitoring. Pairs with TPSGenerator-Server.

XLT is an comprehensive load and performance test tool developed and maintained by Xceptance. It features extensive ready-to-use reporting. Load Testing as Code was a first here.

End-to-end QA/SDET lab for a simulated trading platform using Java, Spring Boot, REST Assured, Playwright, PostgreSQL, Docker and GitHub Actions.

PoC de alta performance com Spring Boot 3 e Redis, focada em estratégias de cache, TTL dinâmico, warm-up e mitigação do efeito Cache Stampede. Inclui testes de carga automatizados com Grafana k6 e relatórios de métricas.

인기 공연 오픈 상황의 좌석 선점, 예약 만료, 결제 확정 정합성과 조회 성능을 다루는 Spring Boot 기반 티켓 예매 백엔드

Runnable Java 21 financial reliability lab: matching, settlement, ledger safety, fencing, reconciliation, observability, AI evaluation, and engineering governance.

Herramienta en Java para estimar tiempos de ejecución basados en la notación Big-O.

Libraries to benchmark your code for JVM-based languages

The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.

Mutual Fund SIP & NAV allocation engine built with Java, Spring Boot and PostgreSQL, with Apache JMeter performance testing and dataset-scale scalability analysis.