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琚帶绔?- 淇 MTU 闂锛氬す MSS + 璺緞 MTU 鎺㈡祴锛堝叕缃戝彲鐢ㄧ巼 48% -> 100%锛?- 澶嶇敤 HTTP 杩炴帴锛堝厤鎺夋瘡娆℃柊寤?TLS 鐨?30% 鎻℃墜澶辫触锛?- 姣忓垎閽熷洖澶存壘灞€鍩熺綉锛岃嚜鍔ㄥ垏鍥炲揩 400 鍊嶇殑璺緞
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鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException
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_build/ab_ha_http2.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+# HTTP/2 下再比一次 ha=1 vs ha=2。
+#
+# 观察：
+#   http2 + ha=1 跑 3 分钟 —— 断开 0 次、拨号失败 0 次（连接本身很稳），
+#   但单个请求仍有 35% 失败（530 / 000）。
+#
+#   TCP 的重传比较慢，单条连接一旦卡住，请求就干等。
+#   所以想验证：两条 HTTP/2 连接能不能互补
+#   （UDP 时代 ha=2 是互相拖累，TCP 下可能不一样）。
+set -u
+
+UNIT=/etc/systemd/system/lanremote-tunnel.service
+URL=https://relay.xxmxxs.top
+RELAY_DIR=/root/lanremote-relay
+
+run_case() {
+    local conns="$1" label="$2"
+
+    cat > "$UNIT" <<EOF
+[Unit]
+Description=LanRemote Cloudflare 具名隧道
+After=network-online.target lanremote-relay.service
+Wants=network-online.target lanremote-relay.service
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/cloudflared tunnel --no-autoupdate --protocol http2 --edge-ip-version 4 --ha-connections $conns --retries 5 --config /root/.cloudflared/config.yml run lanremote
+Restart=always
+RestartSec=5
+MemoryMax=128M
+StandardOutput=append:/root/lanremote-relay/tunnel.log
+StandardError=append:/root/lanremote-relay/tunnel.log
+
+[Install]
+WantedBy=multi-user.target
+EOF
+    systemctl daemon-reload
+    systemctl stop lanremote-tunnel 2>/dev/null || true
+    pkill -f cloudflared 2>/dev/null || true
+    sleep 3
+    : > "$RELAY_DIR/tunnel.log"
+    systemctl start lanremote-tunnel
+    echo "===== $label（ha-connections=$conns）====="
+    echo "  等 40 秒建连…"
+    sleep 40
+
+    local ok=0 bad=0 i code
+    for i in $(seq 1 40); do
+        code=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
+               -H 'User-Agent: LanRemote/1.4.0' "$URL/v1/health" 2>/dev/null)
+        code=${code:-000}
+        [ "$code" = "200" ] && ok=$((ok + 1)) || bad=$((bad + 1))
+        sleep 3
+    done
+
+    local used drops dials
+    used=$(grep -c 'Registered tunnel connection' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)
+    drops=$(grep -c 'Connection terminated' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)
+    dials=$(grep -c 'Failed to dial' "$RELAY_DIR/tunnel.log" 2>/dev/null || echo 0)
+    local pct=$((ok * 100 / (ok + bad)))
+    printf "  >>> %-10s 可用 %2d/%2d (%d%%)  注册 %s  断开 %s  拨号失败 %s\n" \
+        "$label" "$ok" "$((ok + bad))" "$pct" "$used" "$drops" "$dials"
+    echo "$conns|$label|$pct|$used|$drops|$dials" >> /root/ha_ab.txt
+    sleep 2
+}
+
+: > /root/ha_ab.txt
+run_case 1 "ha=1"
+run_case 2 "ha=2"
+
+echo
+echo "===== 汇总 ====="
+printf "  %-16s %-8s %-8s %-8s %s\n" "配置" "可用率" "注册" "断开" "拨号失败"
+while IFS='|' read -r c label pct used drops dials; do
+    printf "  %-16s %-8s %-8s %-8s %s\n" "$label" "$pct%" "$used" "$drops" "$dials"
+done < /root/ha_ab.txt
+
+A=$(grep '|ha=1|' /root/ha_ab.txt | cut -d'|' -f3)
+B=$(grep '|ha=2|' /root/ha_ab.txt | cut -d'|' -f3)
+echo
+echo "  ha=1 $A%  vs  ha=2 $B%"
+if [ "$B" -gt "$A" ]; then
+    echo "  -> ha=2 更好"
+else
+    echo "  -> ha=1 更好（或持平）"
+fi