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.
In18th USENIX Symposium on Networked Systems Design and Implementation, NSDI 2021, April 12-14, 2021, James Mickens and Renata Teixeira (Eds.)
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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.