TonyBai

Aug 21, 2026 · Cloud Native

VictoriaMetrics' vlagent Hits 143k Logs/sec—How It Outperforms 8 Popular Log Collectors

A rigorous benchmark of nine Kubernetes log collectors under a 1‑core, 1 GiB limit shows VictoriaMetrics' vlagent achieving 143,000 lines per second—4.5× faster than Fluent Bit and 28× faster than Fluentd—while using the least CPU and memory, and exposing hidden correctness bugs in several competitors.