sendfile vs Userspace Copy: Localhost TCP File Serve Lab
Hands-on sendfile vs read+sendall lab: 256 MiB p50 4.41 vs 2.34 GB/s (~1.9×); copy collapses at 4 KiB. Warm localhost TCP measured, no Docker.
30 Sept 20265 min read
Topic
linux performance
2 posts
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