revert: use epoll for benchmarks — io_uring stability issues under sustained load

Author: BennyFranciscus

frameworks/blitz/Dockerfile

@@ -11,6 +11,5 @@ RUN zig build -Doptimize=ReleaseFast
 
 FROM debian:bookworm-slim
 COPY --from=build /app/zig-out/bin/blitz /server
-ENV BLITZ_URING=1
 EXPOSE 8080
 CMD ["/server"]

frameworks/blitz/meta.json

@@ -2,8 +2,8 @@
   "display_name": "blitz",
   "language": "Zig",
   "type": "engine",
-  "engine": "io_uring",
-  "description": "Custom Zig HTTP server with io_uring acceptor+reactor architecture. Buffer ring, send_zc, zero-copy parsing, pre-computed responses.",
+  "engine": "epoll",
+  "description": "Custom Zig HTTP server with dual epoll/io_uring backends. Zero-copy parsing, pre-computed responses, pipeline batching.",
   "repo": "https://github.com/BennyFranciscus/blitz",
   "enabled": true,
   "tests": [