Zero-code network monitoring tool that shows every HTTP request in production in real time using BPF, with time-travel replay and no code changes required.
Subtrace is an open-source network monitoring tool that intercepts all HTTP traffic in a production environment using BPF technology, requiring only one command and no code changes across any programming language. Features include real-time request inspection, time-travel replay of production requests with headers and body intact, per-request latency breakdowns beyond averages, and third-party outage blast radius analysis. Built on ClickHouse for millisecond search across millions of requests, it offers flat predictable pricing. The project has approximately 2,500 GitHub stars. Subtrace is a product of Subtrace.
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