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xmz7891
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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 - 鐢婚潰蹇冭烦甯э細闈欐鏃剁渷娴侀噺锛屽鎴风浠嶇煡閬撴祦鏄椿鐨?- 閿佸睆鏃剁粰鍑哄彲鎿嶄綔鐨勬彁绀? 鎵嬭〃绔?- 鍐呯疆 GTS Root R4 / GlobalSign Root CA锛屼慨 SSLHandshakeException - 杩炴帴閿欒缈昏瘧鎴愪汉璇濓紙璇佷功/鏃堕棿/瑙ｆ瀽/瓒呮椂鍒嗗埆鎻愮ず锛?- 缁忎腑杞繛涓婂悗鐢ㄦ湇鍔″櫒鎶ョ殑鍦板潃鍒锋柊宸查厤瀵硅褰?- 鏂板灞€鍩熺綉杩炴帴椤甸潰銆佹湇鍔″櫒寤惰繜妫€娴? 鏈嶅姟鍣ㄧ - 鏀寔 chunked 璇锋眰浣擄紙淇瘡 16 绉掍竴娆＄殑杩炴帴閿欎贡涓庡ぇ闈㈢Н 502锛?- 缃戠粶璋冧紭鑴氭湰 net-tune.sh锛堝紑鏈鸿嚜鍔ㄥ簲鐢級 - 绠＄悊椤碉細鎵归噺鍒犻櫎銆佺綉缁滀綋妫€銆佷笅杞藉尯 - 闅ч亾鏀?HTTP/2 + 鍙岃繛鎺? 鏂囨。 - 璁稿彲鍗忚 / 瀹夎鍓嶅繀璇?/ 瀹夎鍚庨』鐭ワ紙浣滆€咃細灏忛害瀛愶級
106 lines
3.4 KiB
Bash
106 lines
3.4 KiB
Bash
#!/bin/bash
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# 中转服务器的内存 / 健壮性检查（这台机器只有 460MB）
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#
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# 查三件事：
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# 1. 服务有没有自己崩过 / 重启过
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# 2. 会话、队列涨起来之后内存会不会失控
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# 3. 时间长了有没有泄漏（看两次采样的差值）
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set -u
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BASE=http://127.0.0.1:8080
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echo "===== 1. 服务状态 ====="
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for svc in lanremote-relay lanremote-tunnel; do
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state=$(systemctl is-active "$svc" 2>/dev/null)
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restarts=$(systemctl show "$svc" -p NRestarts 2>/dev/null | cut -d= -f2)
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since=$(systemctl show "$svc" -p ActiveEnterTimestamp 2>/dev/null | cut -d= -f2)
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printf " %-18s %-9s 重启 %s 次 自 %s\n" "$svc" "$state" "$restarts" "$since"
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done
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echo
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echo "===== 2. 系统内存 ====="
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free -m | awk 'NR==1{print " " $0} NR==2{printf " 总 %s MB 已用 %s MB 可用 %s MB\n", $2, $3, $7}'
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echo
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echo "===== 3. 各进程内存（前 8）====="
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ps -eo rss,comm --sort=-rss 2>/dev/null | head -9 | tail -8 | \
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while read -r rss comm; do
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printf " %6s KB %s\n" "$rss" "$comm"
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done
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echo
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echo "===== 4. 中转服务自报的内存 ====="
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curl -s --max-time 8 "$BASE/v1/health" > /tmp/relay_health.json 2>/dev/null
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if [ -s /tmp/relay_health.json ]; then
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python3 - <<'PY'
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import json
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try:
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d = json.load(open('/tmp/relay_health.json'))
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except Exception as exc:
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print(f" 解析失败: {exc}")
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raise SystemExit
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print(f" 版本 {d.get('version')}")
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print(f" 已运行 {d.get('uptimeSeconds')} 秒")
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print(f" 累计请求 {d.get('totalRequests')}")
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print(f" 设备 {len(d.get('devices', []))} 台")
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print(f" 会话 {d.get('sessions')}")
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print(f" Rss {d.get('memoryKB', 0)} KB ({d.get('memoryKB', 0)//1024} MB)")
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PY
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else
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echo " 健康检查没响应"
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fi
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echo
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echo "===== 5. 内存稳定性：连续采样 10 次，每次隔 3 秒 ====="
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echo " （如果一直涨，说明有泄漏）"
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FIRST=""
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LAST=""
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for i in $(seq 1 10); do
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# 打一批请求，模拟真实使用
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for j in 1 2 3 4 5; do
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curl -s -o /dev/null --max-time 5 "$BASE/v1/health" &
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done
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wait
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RSS=$(curl -s --max-time 5 "$BASE/v1/health" \
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| grep -oE '"memoryKB": *[0-9]+' | grep -oE '[0-9]+')
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[ -z "$RSS" ] && RSS=0
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if [ -z "$FIRST" ]; then FIRST=$RSS; fi
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LAST=$RSS
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printf " 第 %2d 次: %6s KB\n" "$i" "$RSS"
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sleep 3
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done
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echo
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echo " 第一次 $FIRST KB -> 最后一次 $LAST KB"
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if [ "$FIRST" -gt 0 ]; then
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DIFF=$((LAST - FIRST))
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echo " 变化 ${DIFF} KB"
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if [ "$DIFF" -gt 8000 ]; then
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echo " ⚠ 涨了超过 8MB，可能有泄漏"
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else
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echo " ✓ 基本稳定"
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fi
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fi
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echo
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echo "===== 6. 队列上限保护（客户端不取数据时会丢最旧的，不涨内存）====="
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echo " 队列上限设的是 2MB/设备（RELAY_QUEUE_BYTES）"
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echo " 当前各设备队列："
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curl -s --max-time 8 "$BASE/v1/health" > /tmp/relay_health2.json 2>/dev/null
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python3 - <<'PY'
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import json
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try:
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d = json.load(open('/tmp/relay_health2.json'))
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except Exception:
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raise SystemExit
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devices = d.get('devices', [])
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if not devices:
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print(" （还没有设备上线，队列都是空的）")
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for item in devices:
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print(f" {item.get('name')}: 待发手表 {item.get('queuedToClient')} 字节"
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f" / 待发电脑 {item.get('queuedToAgent')} 字节")
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PY
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echo
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echo "===== 7. 磁盘 ====="
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df -h / | awk 'NR==2{printf " 总 %s 已用 %s 可用 %s (%s)\n", $2, $3, $4, $5}'
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