{"id":24084,"date":"2025-08-30T08:00:23","date_gmt":"2025-08-30T00:00:23","guid":{"rendered":"https:\/\/www.varidata.com\/?p=24084"},"modified":"2025-10-03T10:12:05","modified_gmt":"2025-10-03T02:12:05","slug":"japan-server-latency-testing-optimization","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/japan-server-latency-testing-optimization\/","title":{"rendered":"\u65e5\u672c\u4f3a\u670d\u5668\u5ef6\u9072\u6e2c\u8a66\u8207\u512a\u5316\u65b9\u6cd5"},"content":{"rendered":"<p>\u5728\u5168\u7403\u6578\u4f4d\u57fa\u790e\u8a2d\u65bd\u9818\u57df\uff0c<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/jp\/\" target=\"_blank\" rel=\"noopener\">\u65e5\u672c\u4f3a\u670d\u5668<\/a>\u6191\u85c9\u5176\u5340\u4f4d\u512a\u52e2\u3001\u7a69\u5b9a\u7684\u7db2\u8def\u9023\u63a5\u53ca\u5408\u898f\u6027\u7279\u9ede\uff0c\u5728\u9762\u5411\u6771\u4e9e\u5e02\u5834\u7684\u696d\u52d9\u4e2d\u8868\u73fe\u7a81\u51fa\u3002\u7136\u800c\uff0c\u5373\u4fbf\u662f\u914d\u7f6e\u512a\u826f\u7684\u4f3a\u670d\u5668\uff0c\u4e5f\u53ef\u80fd\u53d7\u7db2\u8def\u5ef6\u9072\u5f71\u97ff\uff0c\u5c0e\u81f4\u5373\u6642\u61c9\u7528\u5361\u9813\u3001\u8cc7\u6599\u50b3\u8f38\u6548\u7387\u4e0b\u964d\u53ca\u4f7f\u7528\u8005\u9ad4\u9a57\u53d7\u640d\u3002\u672c\u6587\u91dd\u5c0d\u6280\u8853\u4eba\u54e1\uff0c\u6df1\u5165\u8b1b\u89e3\u65e5\u672c\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u8a17\u7ba1\u5834\u666f\u4e0b\u7684\u6280\u8853\u8a3a\u65b7\u65b9\u6cd5\u3001\u53ef\u843d\u5730\u7684\u512a\u5316\u65b9\u6848\u53ca\u7522\u696d\u6700\u4f73\u5be6\u52d9\u3002<\/p>\n<h2><strong>\u7406\u89e3\u7db2\u8def\u5ef6\u9072\u57fa\u790e<\/strong><\/h2>\n<p>\u5728\u63a2\u8a0e\u89e3\u6c7a\u65b9\u6848\u524d\uff0c\u9700\u5148\u5f9e\u6280\u8853\u5c64\u9762\u660e\u78ba\u5ef6\u9072\u7684\u5b9a\u7fa9\u3002\u672c\u8cea\u4e0a\uff0c\u7db2\u8def\u5ef6\u9072\u662f\u6307\u8cc7\u6599\u5305\u5728\u4f7f\u7528\u8005\u7aef\u8207\u4f3a\u670d\u5668\u4e4b\u9593\u5f80\u8fd4\u7684\u6642\u9593\uff08RTT\uff09\uff0c\u9019\u8207\u8861\u91cf\u8cc7\u6599\u50b3\u8f38\u91cf\u7684\u300c\u541e\u5410\u91cf\u300d\u6982\u5ff5\u4e0d\u540c\u3002\u5c0d\u65bc\u670d\u52d9\u4e2d\u570b\u5927\u9678\u4f7f\u7528\u8005\u7684\u65e5\u672c\u4f3a\u670d\u5668\uff0c\u7406\u60f3\u72c0\u614b\u4e0bRTT\u901a\u5e38\u572850ms\u81f3150ms\u4e4b\u9593\uff0c\u4f46\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u97ff\u6703\u51fa\u73fe\u6ce2\u52d5\uff1a<\/p>\n<ul>\n<li>\u7269\u7406\u8ddd\u96e2\u53ca\u5149\u7e96\u4e2d\u7684\u4fe1\u865f\u50b3\u64ad\u901f\u5ea6<\/li>\n<li>\u570b\u969b\u4ea4\u63db\u7bc0\u9ede\uff08\u5982\u9999\u6e2f\u3001\u897f\u96c5\u5716\u4e92\u806f\u9ede\uff09\u7684\u7db2\u8def\u58c5\u585e\u60c5\u6cc1<\/li>\n<li>\u8de8\u81ea\u6cbb\u7cfb\u7d71\u7684\u8def\u7531\u5668\u6548\u7387\u53ca\u8def\u7531\u8868\u8907\u96dc\u5ea6<\/li>\n<li>\u4f3a\u670d\u5668\u786c\u9ad4\u6548\u80fd\uff0c\u5305\u62ec\u57fa\u65bcIntel\u6216AMD\u7cfb\u7d71\u7684CPU\u6392\u7a0b\u6548\u7387\u8207\u8a18\u61b6\u9ad4\u5ef6\u9072<\/li>\n<\/ul>\n<p>\u5c0d\u65bc\u7dda\u4e0a\u904a\u6232\u3001\u91d1\u878d\u4ea4\u6613\u3001\u9ad8\u756b\u8cea\u8996\u8a0a\u6703\u8b70\u7b49\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u61c9\u7528\uff0c\u5373\u4f7fRTT\u50c5\u589e\u52a020ms\uff0c\u4e5f\u53ef\u80fd\u986f\u8457\u5f71\u97ff\u6548\u80fd\u3002\u56e0\u6b64\uff0c\u9996\u8981\u4efb\u52d9\u662f\u5224\u65b7\u5ef6\u9072\u6e90\u65bc\u4f3a\u670d\u5668\u67b6\u69cb\u3001\u7db2\u8def\u8def\u5f91\u9084\u662f\u4f7f\u7528\u8005\u7aef\u74b0\u5883\uff0c\u9019\u662f\u7cfb\u7d71\u5316\u512a\u5316\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h2><strong>\u5c08\u696d\u7d1a\u5ef6\u9072\u6e2c\u8a66\u5de5\u5177\u8207\u65b9\u6cd5<\/strong><\/h2>\n<p>\u7cbe\u6e96\u7684\u6545\u969c\u8a3a\u65b7\u9700\u8981\u4e00\u5957\u5305\u542b\u6a19\u6e96\u5de5\u5177\u8207\u9032\u968e\u5de5\u5177\u7684\u7d44\u5408\uff0c\u4ee5\u4e0b\u662f\u6838\u5fc3\u5de5\u5177\u53ca\u4f7f\u7528\u6307\u5357\uff1a<\/p>\n<h3>\u6838\u5fc3\u8a3a\u65b7\u5de5\u5177<\/h3>\n<ol>\n<li><strong>ICMP Ping<\/strong>\uff1a\u6e2c\u91cfRTT\u7684\u57fa\u790e\u5de5\u5177\u3002\u5728Linux\/macOS\u7cfb\u7d71\u4e2d\uff0c\u57f7\u884c<code>ping -c 100 server_ip<\/code>\u50b3\u9001100\u500b\u8cc7\u6599\u5305\u4e26\u8a08\u7b97\u5e73\u5747\u5ef6\u9072\uff1bWindows\u7cfb\u7d71\u5247\u57f7\u884c<code>ping -n 100 server_ip<\/code>\u3002\u9700\u91cd\u9ede\u95dc\u6ce8\u7684\u6307\u6a19\uff1a\u6700\u5c0f\/\u6700\u5927\/\u5e73\u5747RTT\u53ca\u5c01\u5305\u907a\u5931\u7387\u3002<\/li>\n<li><strong>Traceroute<\/strong>\uff1a\u8ffd\u8e64\u4f7f\u7528\u8005\u7aef\u8207\u4f3a\u670d\u5668\u4e4b\u9593\u7684\u7db2\u8def\u8def\u5f91\u3002Linux\/macOS\u7cfb\u7d71\uff1a<code>traceroute server_ip<\/code>\uff1bWindows\u7cfb\u7d71\uff1a<code>tracert server_ip<\/code>\u3002\u9700\u6392\u67e5\u5ef6\u9072\u8d85\u904e100ms\u6216\u5b58\u5728\u5c01\u5305\u907a\u5931\u7684\u7bc0\u9ede\uff0c\u9019\u4e9b\u7bc0\u9ede\u901a\u5e38\u662f\u7db2\u8def\u74f6\u9838\u6240\u5728\u3002<\/li>\n<li><strong>MTR\uff08My Traceroute\uff09<\/strong>\uff1a\u878d\u5408Ping\u8207Traceroute\u529f\u80fd\u7684\u52d5\u614b\u4e92\u52d5\u5de5\u5177\uff0c\u53ef\u5373\u6642\u986f\u793a\u6bcf\u8df3\u7bc0\u9ede\u7684\u5ef6\u9072\u8207\u5c01\u5305\u907a\u5931\u60c5\u6cc1\uff0c\u9069\u5408\u5c16\u5cf0\u6642\u6bb5\u7684\u9577\u671f\u76e3\u63a7\uff1a<code>mtr --report-wide server_ip<\/code>\u3002<\/li>\n<li><strong>Speedtest CLI<\/strong>\uff1a\u53ef\u8de8\u5168\u7403\u4f3a\u670d\u5668\u7bc0\u9ede\u6e2c\u91cf\u4e0a\u50b3\/\u4e0b\u8f09\u541e\u5410\u91cf\u53ca\u5ef6\u9072\u3002\u900f\u904e<code>curl -s https:\/\/install.speedtest.net\/app\/cli\/install.sh | sh<\/code>\u5b89\u88dd\uff0c\u57f7\u884c<code>speedtest --server 12345<\/code>\uff08\u5c0712345\u66ff\u63db\u70ba\u65e5\u672c\u4f3a\u670d\u5668\u7bc0\u9edeID\uff09\u9032\u884c\u6e2c\u8a66\u3002<\/li>\n<\/ol>\n<h3>\u57fa\u65bc\u6307\u4ee4\u78bc\u7684\u81ea\u52d5\u5316\u6e2c\u8a66<\/h3>\n<p>\u5c0d\u65bc\u5927\u898f\u6a21\u74b0\u5883\uff0cPython\u6307\u4ee4\u78bc\u53ef\u5be6\u73fe\u6e2c\u8a66\u7684\u53ef\u7a0b\u5f0f\u5316\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528<code>pythonping<\/code>\u51fd\u5f0f\u5eab\u6e2c\u8a66\u591a\u7bc0\u9ede\u5ef6\u9072\u7684\u57fa\u790e\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>import pythonping\r\n    from datetime import datetime\r\n\r\n    def test_latency(host, count=50):\r\n        results = pythonping.ping(host, count=count)\r\n        avg_latency = sum(r.time_elapsed_ms for r in results) \/ count\r\n        loss_rate = (count - len(results)) \/ count * 100\r\n        return {\r\n            \"timestamp\": datetime.now().isoformat(),\r\n            \"host\": host,\r\n            \"average_latency_ms\": avg_latency,\r\n            \"packet_loss_percent\": loss_rate\r\n        }\r\n\r\n    # \u6e2c\u8a66\u591a\u500b\u65e5\u672c\u4f3a\u670d\u5668IP\r\n    servers = [\"203.0.113.1\", \"198.51.100.1\"]\r\n    for server in servers:\r\n        print(test_latency(server))<\/code><\/pre>\n<h3>\u6a19\u6e96\u5316\u6e2c\u8a66\u6d41\u7a0b<\/h3>\n<p>\u70ba\u78ba\u4fdd\u6e2c\u8a66\u8cc7\u6599\u53ef\u9760\uff0c\u9700\u9075\u5faa\u4ee5\u4e0b\u7d50\u69cb\u5316\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u5728\u4e09\u500b\u95dc\u9375\u6642\u6bb5\u6e2c\u8a66\uff1a\u65e99\u9ede\uff08\u4e2d\u570b\u5de5\u4f5c\u8d77\u59cb\u6642\u6bb5\uff09\u3001\u4e0b\u53482\u9ede\uff08\u65e5\u672c\u5348\u4f11\u4f4e\u5cf0\uff09\u3001\u665a8\u9ede\uff08\u665a\u9593\u6d41\u91cf\u5c16\u5cf0\uff09\u3002<\/li>\n<li>\u5f9e\u81f3\u5c11\u4e94\u500b\u5730\u7406\u7bc0\u9ede\u767c\u8d77\u6e2c\u8a66\uff1a\u5317\u4eac\u3001\u4e0a\u6d77\u3001\u5ee3\u5dde\u3001\u6771\u4eac\u53ca\u7f8e\u570b\u897f\u6d77\u5cb8\u7bc0\u9ede\uff08\u5982\u820a\u91d1\u5c71\uff09\u3002<\/li>\n<li>\u6a21\u64ec\u61c9\u7528\u8ca0\u8f09\u5834\u666f\uff1a\u900f\u904e<code>wget --timeout=10<\/code>\u6e2c\u91cf\u975c\u614bHTML\u8f09\u5165\u6642\u9593\uff0c\u900f\u904e<code>curl -w \"Time: %{time_total}s\" -o \/dev\/null https:\/\/api.server.com\/data<\/code>\u6e2c\u91cf\u52d5\u614bAPI\u56de\u61c9\u6642\u9593\uff0c\u540c\u6642\u6e2c\u8a66\u5373\u6642\u61c9\u7528\u7684WebSocket\u5ef6\u9072\u3002<\/li>\n<\/ol>\n<h2><strong>\u591a\u5c64\u7d1a\u512a\u5316\u7b56\u7565<\/strong><\/h2>\n<p>\u6709\u6548\u7684\u5ef6\u9072\u964d\u4f4e\u9700\u5f9e\u4f3a\u670d\u5668\u3001\u7db2\u8def\u3001\u4f7f\u7528\u8005\u7aef\u4e09\u500b\u5c64\u9762\u89e3\u6c7a\u554f\u984c\uff0c\u4ee5\u4e0b\u662f\u5404\u5c64\u9762\u7684\u6280\u8853\u512a\u5316\u65b9\u6848\uff1a<\/p>\n<h3>\u4f3a\u670d\u5668\u5c64\u9762\u7684\u4f4e\u5ef6\u9072\u914d\u7f6e<\/h3>\n<p>\u9996\u5148\u5f9e\u786c\u9ad4\u8207\u4f5c\u696d\u7cfb\u7d71\u914d\u7f6e\u5165\u624b\uff0c\u91dd\u5c0d\u57f7\u884cLinux\u7cfb\u7d71\u7684Intel\u6216AMD\u4f3a\u670d\u5668\uff1a<\/p>\n<ul>\n<li><strong>CPU\u6392\u7a0b\u512a\u5316<\/strong>\uff1a\u900f\u904e<code>chrt -p 99 $(pidof application)<\/code>\u70ba\u5c0d\u5ef6\u9072\u654f\u611f\u7684\u7a0b\u5e8f\u8a2d\u5b9a\u5373\u6642\u512a\u5148\u6b0a\uff0c\u6e1b\u5c11\u5167\u5bb9\u5207\u63db\u958b\u92b7\u3002<\/li>\n<li><strong>TCP\u53c3\u6578\u8abf\u6821<\/strong>\uff1a\u5728<code>\/etc\/sysctl.conf<\/code>\u4e2d\u512a\u5316\u6838\u5fc3\u53c3\u6578\uff0c\u964d\u4f4e\u9023\u7dda\u5efa\u7acb\u5ef6\u9072\uff1a\n<pre><code>net.ipv4.tcp_syncookies = 1\r\n            net.ipv4.tcp_tw_reuse = 1\r\n            net.ipv4.tcp_tw_recycle = 1\r\n            net.ipv4.tcp_fin_timeout = 30\r\n            net.core.default_qdisc = fq<\/code><\/pre>\n<\/li>\n<li><strong>\u8a18\u61b6\u9ad4\u7ba1\u7406\u512a\u5316<\/strong>\uff1a\u555f\u7528\u5927\u9801\uff08Huge Pages\uff09\u6e1b\u5c11\u9801\u8868\u5feb\u53d6\uff08TLB\uff09\u907a\u5931\uff0c\u57f7\u884c<code>echo 1024 &gt; \/sys\/kernel\/mm\/hugepages\/hugepages-2048kB\/nr_hugepages<\/code>\u8a2d\u5b9a\u3002<\/li>\n<li><strong>\u61c9\u7528\u5c64\u512a\u5316<\/strong>\uff1a\u63a1\u7528HTTP\/2\u5be6\u73fe\u9023\u7dda\u591a\u5de5\uff0c\u555f\u7528TLS 1.3\u52a0\u901f\u4ea4\u63e1\u904e\u7a0b\uff1b\u5728\u9ad8\u541e\u5410\u91cf\u5834\u666f\u4e0b\uff0c\u5229\u7528NVIDIA GPU\u52a0\u901f\u4f3a\u670d\u5668\u5feb\u53d6\u975c\u614b\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h3>\u7db2\u8def\u57fa\u790e\u8a2d\u65bd\u512a\u5316<\/h3>\n<p>\u7db2\u8def\u5ef6\u9072\u5e38\u6e90\u65bc\u8def\u7531\u4e0d\u5408\u7406\u6216\u983b\u5bec\u53d7\u9650\uff0c\u53ef\u900f\u904e\u4ee5\u4e0b\u65b9\u6848\u89e3\u6c7a\uff1a<\/p>\n<ol>\n<li><strong>\u9078\u7528\u9ad8\u54c1\u8cea\u7db2\u8def\u7dda\u8def<\/strong>\uff1a\u512a\u5148\u9078\u64c7CN2 GIA\uff08\u4e2d\u570b\u806f\u901a\u5168\u7403\u7db2\u969b\u7db2\u8def\u63a5\u5165\uff09\u7dda\u8def\uff0c\u9019\u985e\u5c08\u7dda\u58c5\u585e\u7387\u4f4e\u3002\u4ee5\u5317\u4eac\u65b9\u5411\u70ba\u4f8b\uff0c\u4e00\u822c\u7dda\u8def\u5ef6\u9072\u7d04120ms\uff0c\u800cCN2 GIA\u53ef\u964d\u81f380ms\u4ee5\u4e0b\u3002<\/li>\n<li><strong>BGP\u591a\u7dda\u63a5\u5165<\/strong>\uff1a\u70ba\u4f3a\u670d\u5668\u914d\u7f6e\u652f\u63f4BGP\u5354\u8b70\u7684\u591a\u71df\u904b\u5546\uff08\u5982NTT\u3001KDDI\u3001\u4e2d\u570b\u96fb\u4fe1\uff09\u63a5\u5165\uff0c\u4f7f\u81ea\u6cbb\u7cfb\u7d71\u80fd\u6839\u64da\u5373\u6642\u8def\u7531\u8868\u52d5\u614b\u9078\u64c7\u6700\u512a\u8def\u5f91\u3002<\/li>\n<li><strong>\u908a\u7de3\u904b\u7b97\u90e8\u7f72<\/strong>\uff1a\u5728\u6771\u4eac\u3001\u5927\u962a\u3001\u798f\u5ca1\u90e8\u7f72\u5feb\u53d6\u7bc0\u9ede\uff0c\u70ba\u5340\u57df\u4f7f\u7528\u8005\u63d0\u4f9b\u5728\u5730\u5316\u670d\u52d9\uff1b\u642d\u914dCloudflare\u6216Vercel Edge Network\u7b49CDN\uff0c\u5229\u7528\u4efb\u64ad\uff08Anycast\uff09IP\u8df3\u904e\u5099\u63f4\u8def\u7531\u7bc0\u9ede\u3002<\/li>\n<li><strong>\u670d\u52d9\u54c1\u8cea\uff08QoS\uff09\u8a2d\u5b9a<\/strong>\uff1a\u900f\u904e\u5340\u5206\u670d\u52d9\uff08DiffServ\uff09\u6216\u591a\u5354\u8b70\u6a19\u7c64\u4ea4\u63db\uff08MPLS\uff09\u70ba\u5ef6\u9072\u654f\u611f\u6d41\u91cf\uff08\u5982VoIP\u3001\u904a\u6232\u8cc7\u6599\u5305\uff09\u8a2d\u5b9a\u512a\u5148\u6b0a\u3002\u5728Linux\u7cfb\u7d71\u4e2d\uff0c\u53ef\u900f\u904e<code>tc qdisc add dev eth0 root handle 1: htb default 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