Libra uses eBPF to perform selective metadata copying in sockets, reducing kernel-user data movement for L7 proxies and delivering up to 4.2x plaintext throughput with over 90% lower P99 tail latency.
IEEE Standard for Information Technology–Portable Operating System Interface (POSIX) Base Specifications, Issue 7
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Libra: Accelerating Socket I/O via Programmable Selective Data Copying
Libra uses eBPF to perform selective metadata copying in sockets, reducing kernel-user data movement for L7 proxies and delivering up to 4.2x plaintext throughput with over 90% lower P99 tail latency.