.gitea/workflows/build-and-publish.yaml

@@ -53,14 +53,14 @@ jobs:
               sudo pacman -S --needed --noconfirm $MAKEDEPS
             fi
 
-            # Parallel build with two cargo jobs. Previous single-threaded
-            # throttling was based on an unverified OOM assumption (run 86
-            # on 2026-04-23 stalled; no dmesg/journalctl evidence of
-            # OOMKiller was ever captured). If a real OOM happens, capture
-            # `dmesg | grep -i "killed process"` first before re-throttling.
-            export CARGO_BUILD_JOBS=2
-            export MAKEFLAGS="-j2"
-            makepkg -sfd --noconfirm
+            # Resource-constrained build. The act_runner shares CPU/RAM/I/O
+            # with the Gitea host (network-host mode). A parallel Rust build
+            # has OOM-killed the host: run 86 on 2026-04-23 stopped mid-compile
+            # with no error, taking gitea HTTPS down ~11 min. Force single-job
+            # compile and low CPU/IO priority so the host stays responsive.
+            export CARGO_BUILD_JOBS=1
+            export MAKEFLAGS="-j1"
+            nice -n 19 ionice -c 3 makepkg -sfd --noconfirm
 
             # makepkg can emit multiple artifacts per build (main + -debug
             # split package). Upload each. Arch filename convention: