Subtrace is an open-source tool released by Y Combinator startup to analyze network traffic from containerized applications like Docker and Kubernetes. It integrates system call tracing and network packet analysis in a single interface. By using eBPF, Subtrace captures detailed information with minimal performance impact. Traditional tools like Wireshark face challenges in container environments due to complex configurations. Subtrace simplifies this by providing native container integration, automatically discovering containers and correlating traffic with container metadata. It features both command-line and web interfaces for network flow analysis, tailored for container workloads.
Subtrace combines system call tracing with network packet analysis in a single interface so that developers can see what applications are doing at the system level and how data flows across container networks.
Subtrace addresses these challenges by providing native container integration. It understands container concepts and can automatically correlate network traffic with container identity, reducing the manual work required to analyse container network behaviour.
The tool offers both command-line and web interfaces. The web interface provides visual network flow analysis similar to Wireshark but designed specifically for container workloads.
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