§1
Toolchain layout
What gets installed where: Fedora packages, toolchain, Conan, Podman storage.
Reference
Excalidraw diagrams.
Architecture and flow diagrams for the tutorial. Click any
diagram to open it fullscreen. Each is also available as
.excalidraw source — open it on
excalidraw.com
to edit.
§2
The four-layer mental model
The four-layer model: toolchain, image, kernel, runtime.
§2
Threading models in C++
Threading models by stack model, kernel visibility, and I/O- vs CPU-bound fit.
§3
RAII vs manual cleanup
RAII vs manual cleanup: destructors fire on every exit path.
§6
Flat vs node containers
Memory layout: contiguous vector vs node-based containers.
§7
Allocator stack
Allocator stack: app → PMR → malloc → page cache → cgroups → host.
§9
Container networking modes
Packet path: veth+bridge vs slirp4netns vs --network=host.
§11
cgroup v2 weight & cpuset
Two-tenant cgroup hierarchy with delegated controllers.
§12
Ephemeral gdb sidecar
Ephemeral gdb sidecar sharing the service's PID namespace.
§13
Hermetic build pipeline
Hermetic build: Conan → CMake/Ninja → reproducible binary.
§14
The AVX-512 mismatch trap
AVX-512 mismatch: build host has it, runtime doesn't → SIGILL.