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Replace speed test with LibreSpeed engine: fix 4x-slow upload

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Single 512 MB POST over HTTP/2 was throttled by the per-stream h2
flow-control window, reading ~4x low. LibreSpeed uses parallel upload
streams measured via XHR progress events, which amortizes the window
limit (h2 must stay on for trojan-gRPC).

- Vendor speedtest.js + speedtest_worker.js (LGPL) into assets
- mtr-backend.py: ThreadingHTTPServer, /api/st/up upload sink,
  /api/st/getip; parallel streams need concurrent handling
- nginx: speedtest locations without limit_req (limit_conn instead),
  ping answered by nginx directly, h2 preread/body buffer tuning
- No telemetry, no database
- Drop 512 MB test file; patch script now also substitutes
  __SERVER_DOMAIN__/__SERVER_IP__ placeholders

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Ivan Razin
2026-07-03 14:15:22 +03:00
co-authored by Claude Fable 5
parent cb9aa79470
commit de1d95e6e0
6 changed files with 1295 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files
x-ui-patch.sh
+42 -12
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@@ -299,6 +299,9 @@ server {
root /var/www/html/;
real_ip_header proxy_protocol;
set_real_ip_from 127.0.0.1;
# Larger h2 preread window improves single-stream upload throughput
http2_body_preread_size 128k;
client_body_buffer_size 512k;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers HIGH:!aNULL:!eNULL:!MD5:!DES:!RC4:!ADH:!SSLv3:!EXP:!PSK:!DSS;
ssl_certificate /etc/letsencrypt/live/${domain}/fullchain.pem;
@@ -355,17 +358,31 @@ server {
proxy_read_timeout 120s;
proxy_send_timeout 120s;
}
location ^~ ${diag_path}api/upload {
limit_req zone=diag_page burst=5 nodelay;
proxy_pass http://127.0.0.1:${mtr_backend_port}/api/upload;
location ^~ ${diag_path}api/st/up {
access_log off;
limit_conn per_ip 8;
proxy_pass http://127.0.0.1:${mtr_backend_port}/api/st/up;
proxy_http_version 1.1;
proxy_set_header X-Real-IP \$remote_addr;
proxy_request_buffering off;
client_max_body_size 600m;
proxy_read_timeout 300s;
proxy_send_timeout 300s;
client_max_body_size 64m;
proxy_read_timeout 60s;
proxy_send_timeout 60s;
add_header Cache-Control "no-store" always;
}
location = ${diag_path}api/st/ping {
access_log off;
limit_conn per_ip 8;
add_header Cache-Control "no-store" always;
default_type text/plain;
return 200 "";
}
location = ${diag_path}api/st/getip {
proxy_pass http://127.0.0.1:${mtr_backend_port}/api/st/getip;
proxy_http_version 1.1;
proxy_set_header X-Real-IP \$remote_addr;
add_header Cache-Control "no-store" always;
}
location ^~ ${diag_path}testfiles/ {
alias /var/www/diagnostics/testfiles/;
access_log off;
@@ -479,17 +496,30 @@ systemctl restart mtr-backend
blue "Installing diagnostics page..."
mkdir -p "${DIAG_ROOT}/testfiles"
server_ip=$(ip route get 8.8.8.8 2>/dev/null | grep -Po 'src \K\S*' || true)
[[ -n "$server_ip" ]] || server_ip=$(curl -fsS ipv4.icanhazip.com | tr -d '[:space:]' || true)
curl -fsSL "${GITHUB_RAW}/assets/diagnostics/index.html" \
| sed "s|__DIAG_PATH__|${diag_path}|g" \
| sed -e "s|__DIAG_PATH__|${diag_path}|g" \
-e "s|__SERVER_DOMAIN__|${domain}|g" \
-e "s|__SERVER_IP__|${server_ip}|g" \
> "${DIAG_ROOT}/index.html"
# Generate speed test files if missing
[[ -f "${DIAG_ROOT}/testfiles/test-10m.bin" ]] || \
dd if=/dev/zero bs=1048576 count=10 of="${DIAG_ROOT}/testfiles/test-10m.bin" status=none
# LibreSpeed engine (speed test frontend, LGPL — github.com/librespeed/speedtest)
curl -fsSL "${GITHUB_RAW}/assets/diagnostics/librespeed/speedtest.js" \
-o "${DIAG_ROOT}/speedtest.js"
curl -fsSL "${GITHUB_RAW}/assets/diagnostics/librespeed/speedtest_worker.js" \
-o "${DIAG_ROOT}/speedtest_worker.js"
# Generate speed test files if missing (same set as the main installer)
[[ -f "${DIAG_ROOT}/testfiles/test-15k.bin" ]] || \
dd if=/dev/zero bs=1024 count=15 of="${DIAG_ROOT}/testfiles/test-15k.bin" status=none
[[ -f "${DIAG_ROOT}/testfiles/test-17k.bin" ]] || \
dd if=/dev/zero bs=1024 count=17 of="${DIAG_ROOT}/testfiles/test-17k.bin" status=none
[[ -f "${DIAG_ROOT}/testfiles/test-100m.bin" ]] || \
dd if=/dev/zero bs=1048576 count=100 of="${DIAG_ROOT}/testfiles/test-100m.bin" status=none
[[ -f "${DIAG_ROOT}/testfiles/test-512m.bin" ]] || \
dd if=/dev/zero bs=1048576 count=512 of="${DIAG_ROOT}/testfiles/test-512m.bin" status=none
[[ -f "${DIAG_ROOT}/testfiles/test-1g.bin" ]] || \
dd if=/dev/zero bs=1048576 count=1024 of="${DIAG_ROOT}/testfiles/test-1g.bin" status=none
rm -f "${DIAG_ROOT}/testfiles/test-512m.bin" # only used by the old single-stream speed test
chown -R www-data:www-data "$DIAG_ROOT"