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Found 49 Skills
When validating system performance under load, identifying bottlenecks through profiling, or optimizing application responsiveness. Covers load testing (k6, Locust), profiling (CPU, memory, I/O), and optimization strategies (caching, query optimization, Core Web Vitals). Use for capacity planning, regression detection, and establishing performance SLOs.
Diagnoses bottlenecks and designs performance optimization plans.
Throughput Calculator - Auto-activating skill for Performance Testing. Triggers on: throughput calculator, throughput calculator Part of the Performance Testing skill category.
Expert performance engineer specializing in modern observability, application optimization, and scalable system performance. Masters OpenTelemetry, distributed tracing, load testing, multi-tier caching, Core Web Vitals, and performance monitoring. Handles end-to-end optimization, real user monitoring, and scalability patterns. Use PROACTIVELY for performance optimization, observability, or scalability challenges.
Expert performance testing and optimization specialist focused on measuring, analyzing, and improving system performance across all applications and infrastructure
When validating system performance under load, identifying bottlenecks through profiling, or optimizing application responsiveness. Covers load testing (k6, Locust), profiling (CPU, memory, I/O), and optimization strategies (caching, query optimization, Core Web Vitals). Use for capacity planning, regression detection, and establishing performance SLOs.
Expert knowledge for Azure App Testing development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when using Azure Load Testing with VNets/private endpoints, JMeter/Locust/Playwright, CI/CD pipelines, or Playwright Workspaces, and other Azure App Testing related development tasks. Not for Azure Test Plans (use azure-test-plans), Playwright Workspaces (use azure-playwright-workspaces), Azure DevOps (use azure-devops), Azure App Service (use azure-app-service).
Build safe, version-pinned telemetrygen commands for synthetic OTLP traces, metrics, and logs. Use for “send sample traces to this collector,” “load-test an OTLP endpoint,” “generate traffic to verify a processor, OTTL transform, or tail sampling,” and “produce test data for dashboards.” Also use when choosing telemetrygen transport, TLS, attributes, counts, duration, or rate. Not for application SDK instrumentation or production collection that does not use telemetrygen.
Test application performance and load handling
Performance Profiler
Diagnosticar e melhorar performance com orçamento, medição, profiling, testes de carga, Web Vitals e regressão. Use para lentidão, throughput, uso de recursos, bundle ou capacidade; use também para revisar se uma otimização proposta tem baseline e hipótese; não otimize sem medir antes, e para desenhar o sinal de saúde que monitora o sistema em produção use `$specsfy-specialist-observability`.
Expert performance engineer specializing in system optimization, bottleneck identification, and scalability engineering. Masters performance testing, profiling, and tuning across applications, databases, and infrastructure with focus on achieving optimal response times and resource efficiency.