As system demands for speed, stability, and traffic handling continue to grow, selecting the right load balancing solution becomes increasingly critical. This study compares the performance of two open-source load balancers, HAProxy and Zevenet, on a Linux-based bare-metal web server infrastructure. The experiment was conducted using two identical backend servers and the wrk benchmarking tool, configured for five-minute tests, 1000 concurrent connections, and twelve repetitions per platform. The results show that HAProxy achieved a lower average latency (261.97 ms), higher throughput (1076.68 RPS), and fewer timeout errors (15,952) compared to Zevenet. While Zevenet offers a more user-friendly graphical interface, HAProxy proved to be more efficient and stable in high-traffic conditions. This study provides practical insights for implementing effective load balancing in non-virtualized systems with limited resources and high-performance demands.
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