Saocaf Engineering Notes

Zero-Copy Networking and Post-Quantum Key Exchange in Modern Linux Kernels

Exploring the performance characteristics of splice() and sendfile() syscalls under Linux 6.12 LTS, alongside practical benchmarks of hybrid X25519MLKEM768 handshakes in OpenSSL 3.5 deployments across APAC edge regions.

Tuning Write-Ahead Logging in Embedded SQLite Workloads

How WAL checkpoint intervals, mmap_size settings, and synchronous modes impact tail latency on NVMe-backed cloud instances.

Lightweight eBPF Tracing for TCP Retransmission Analysis

Building low-overhead packet drop monitors using CO-RE eBPF programs without saturating user-space ring buffers.