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All Journal Journal of Intelligent Systems Technology and Informatics
Athoillah , Bifahmi Ahmad
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Computer Science & IT Control & Systems Engineering Engineering

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Load Testing-Based Performance Evaluation of the SiUKT API System Rachman, Andi Nur; Shofa, Rahmi Nur; Sjamsuddin, Irfan Nafis; Tarempa, Genta Najwar; Julianto, Indri Tri; Athoillah , Bifahmi Ahmad
Journal of Intelligent Systems Technology and Informatics Vol 2 No 1 (2026): JISTICS, March 2026
Publisher : Aliansi Peneliti Informatika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64878/jistics.v2i1.89

Abstract

Software testing is a crucial stage in the system development lifecycle. Previous studies on SiUKT have used only the black-box method, focusing on functionality without providing insights into performance optimization. This study aims to analyze and improve the performance of the SiUKT API using an intelligent load-testing approach with Apache JMeter. The testing measures three key indicators—response time, throughput, and error rate—across 10 API endpoints with concurrent user simulations of 10, 100, 250, and 500 users. The results show that the SiUKT website performs effectively under moderate load conditions, with an average response time of 338 ms and a throughput of 8.2 requests per second for 10 users. Under high load (500 users), performance declines, with response times ranging from 6 to 8 seconds, while throughput remains stable and the error rate stays at 0.00%. Only the register endpoint experienced a 100% error rate due to validation conflicts. These findings demonstrate the system's ability to maintain stability under varying loads and highlight performance degradation patterns as user traffic increases. The research contributes to the optimization of intelligent system performance by establishing quantitative benchmarks for API scalability and providing recommendations for adaptive infrastructure improvements to support automated intelligent load management.
Co-Authors Indri Tri Julianto Nafis Sjamsuddin, Irfan Rachman, Andi Nur Shofa, Rahmi Nur Tarempa, Genta Najwar