{"id":24083,"date":"2025-08-30T08:00:23","date_gmt":"2025-08-30T00:00:23","guid":{"rendered":"https:\/\/www.varidata.com\/?p=24083"},"modified":"2025-08-29T16:20:43","modified_gmt":"2025-08-29T08:20:43","slug":"japan-server-latency-testing-optimization","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/japan-server-latency-testing-optimization\/","title":{"rendered":"\u65e5\u672c\u670d\u52a1\u5668\u5ef6\u8fdf\u6d4b\u8bd5\u4e0e\u4f18\u5316\u65b9\u6cd5"},"content":{"rendered":"\n<p>\u5728\u5168\u7403\u6570\u5b57\u57fa\u7840\u8bbe\u65bd\u9886\u57df\uff0c<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/jp\/\" target=\"_blank\">\u65e5\u672c\u670d\u52a1\u5668<\/a>\u51ed\u501f\u5176\u533a\u4f4d\u4f18\u52bf\u3001\u7a33\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\u53ca\u5408\u89c4\u6027\u7279\u70b9\uff0c\u5728\u9762\u5411\u4e1c\u4e9a\u5e02\u573a\u7684\u4e1a\u52a1\u4e2d\u8868\u73b0\u7a81\u51fa\u3002\u7136\u800c\uff0c\u5373\u4fbf\u662f\u914d\u7f6e\u4f18\u826f\u7684\u670d\u52a1\u5668\uff0c\u4e5f\u53ef\u80fd\u53d7\u7f51\u7edc\u5ef6\u8fdf\u5f71\u54cd\uff0c\u5bfc\u81f4\u5b9e\u65f6\u5e94\u7528\u5361\u987f\u3001\u6570\u636e\u4f20\u8f93\u6548\u7387\u4e0b\u964d\u53ca\u7528\u6237\u4f53\u9a8c\u53d7\u635f\u3002\u672c\u6587\u9488\u5bf9\u6280\u672f\u4eba\u5458\uff0c\u6df1\u5165\u8bb2\u89e3\u65e5\u672c\u670d\u52a1\u5668\u79df\u7528\u6216\u670d\u52a1\u5668\u6258\u7ba1\u573a\u666f\u4e0b\u7684\u6280\u672f\u8bca\u65ad\u65b9\u6cd5\u3001\u53ef\u843d\u5730\u7684\u4f18\u5316\u65b9\u6848\u53ca\u884c\u4e1a\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n<h2><strong>\u7406\u89e3\u7f51\u7edc\u5ef6\u8fdf\u57fa\u7840<\/strong><\/h2>\n<p>\u5728\u63a2\u8ba8\u89e3\u51b3\u65b9\u6848\u524d\uff0c\u9700\u5148\u4ece\u6280\u672f\u5c42\u9762\u660e\u786e\u5ef6\u8fdf\u7684\u5b9a\u4e49\u3002\u672c\u8d28\u4e0a\uff0c\u7f51\u7edc\u5ef6\u8fdf\u662f\u6307\u6570\u636e\u5305\u5728\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u5f80\u8fd4\u7684\u65f6\u95f4\uff08RTT\uff09\uff0c\u8fd9\u4e0e\u8861\u91cf\u6570\u636e\u4f20\u8f93\u91cf\u7684\u201c\u541e\u5410\u91cf\u201d\u6982\u5ff5\u4e0d\u540c\u3002\u5bf9\u4e8e\u670d\u52a1\u4e2d\u56fd\u5185\u5730\u7528\u6237\u7684\u65e5\u672c\u670d\u52a1\u5668\uff0c\u7406\u60f3\u72b6\u6001\u4e0bRTT\u901a\u5e38\u572850ms\u81f3150ms\u4e4b\u95f4\uff0c\u4f46\u53d7\u4ee5\u4e0b\u56e0\u7d20\u5f71\u54cd\u4f1a\u51fa\u73b0\u6ce2\u52a8\uff1a<\/p>\n<ul>\n<li>\u7269\u7406\u8ddd\u79bb\u53ca\u5149\u7ea4\u4e2d\u7684\u4fe1\u53f7\u4f20\u64ad\u901f\u5ea6<\/li>\n<li>\u56fd\u9645\u4ea4\u6362\u8282\u70b9\uff08\u5982\u9999\u6e2f\u3001\u897f\u96c5\u56fe\u4e92\u8054\u70b9\uff09\u7684\u7f51\u7edc\u62e5\u585e\u60c5\u51b5<\/li>\n<li>\u8de8\u81ea\u6cbb\u7cfb\u7edf\u7684\u8def\u7531\u5668\u6548\u7387\u53ca\u8def\u7531\u8868\u590d\u6742\u5ea6<\/li>\n<li>\u670d\u52a1\u5668\u786c\u4ef6\u6027\u80fd\uff0c\u5305\u62ec\u57fa\u4e8eIntel\u6216AMD\u7cfb\u7edf\u7684CPU\u8c03\u5ea6\u6548\u7387\u4e0e\u5185\u5b58\u5ef6\u8fdf<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u5728\u7ebf\u6e38\u620f\u3001\u91d1\u878d\u4ea4\u6613\u3001\u9ad8\u6e05\u89c6\u9891\u4f1a\u8bae\u7b49\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u5e94\u7528\uff0c\u5373\u4f7fRTT\u4ec5\u589e\u52a020ms\uff0c\u4e5f\u53ef\u80fd\u663e\u8457\u5f71\u54cd\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u9996\u8981\u4efb\u52a1\u662f\u5224\u65ad\u5ef6\u8fdf\u6e90\u4e8e\u670d\u52a1\u5668\u67b6\u6784\u3001\u7f51\u7edc\u8def\u5f84\u8fd8\u662f\u5ba2\u6237\u7aef\u73af\u5883\uff0c\u8fd9\u662f\u7cfb\u7edf\u5316\u4f18\u5316\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h2><strong>\u4e13\u4e1a\u7ea7\u5ef6\u8fdf\u6d4b\u8bd5\u5de5\u5177\u4e0e\u65b9\u6cd5<\/strong><\/h2>\n<p>\u7cbe\u51c6\u7684\u6545\u969c\u8bca\u65ad\u9700\u8981\u4e00\u5957\u5305\u542b\u6807\u51c6\u5de5\u5177\u4e0e\u8fdb\u9636\u5de5\u5177\u7684\u7ec4\u5408\uff0c\u4ee5\u4e0b\u662f\u6838\u5fc3\u5de5\u5177\u53ca\u4f7f\u7528\u6307\u5357\uff1a<\/p>\n<h3>\u6838\u5fc3\u8bca\u65ad\u5de5\u5177<\/h3>\n<ol>\n<li><strong>ICMP Ping<\/strong>\uff1a\u6d4b\u91cfRTT\u7684\u57fa\u7840\u5de5\u5177\u3002\u5728Linux\/macOS\u7cfb\u7edf\u4e2d\uff0c\u6267\u884c<code>ping -c 100 server_ip<\/code>\u53d1\u9001100\u4e2a\u6570\u636e\u5305\u5e76\u8ba1\u7b97\u5e73\u5747\u5ef6\u8fdf\uff1bWindows\u7cfb\u7edf\u5219\u8fd0\u884c<code>ping -n 100 server_ip<\/code>\u3002\u9700\u91cd\u70b9\u5173\u6ce8\u7684\u6307\u6807\uff1a\u6700\u5c0f\/\u6700\u5927\/\u5e73\u5747RTT\u53ca\u4e22\u5305\u7387\u3002<\/li>\n<li><strong>Traceroute<\/strong>\uff1a\u8ffd\u8e2a\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u8def\u5f84\u3002Linux\/macOS\u7cfb\u7edf\uff1a<code>traceroute server_ip<\/code>\uff1bWindows\u7cfb\u7edf\uff1a<code>tracert server_ip<\/code>\u3002\u9700\u6392\u67e5\u5ef6\u8fdf\u8d85\u8fc7100ms\u6216\u5b58\u5728\u4e22\u5305\u7684\u8282\u70b9\uff0c\u8fd9\u4e9b\u8282\u70b9\u901a\u5e38\u662f\u7f51\u7edc\u74f6\u9888\u6240\u5728\u3002<\/li>\n<li><strong>MTR\uff08My Traceroute\uff09<\/strong>\uff1a\u878d\u5408Ping\u4e0eTraceroute\u529f\u80fd\u7684\u52a8\u6001\u4ea4\u4e92\u5de5\u5177\uff0c\u53ef\u5b9e\u65f6\u663e\u793a\u6bcf\u8df3\u8282\u70b9\u7684\u5ef6\u8fdf\u4e0e\u4e22\u5305\u60c5\u51b5\uff0c\u9002\u5408\u9ad8\u5cf0\u65f6\u6bb5\u7684\u957f\u671f\u76d1\u63a7\uff1a<code>mtr --report-wide server_ip<\/code>\u3002<\/li>\n<li><strong>Speedtest CLI<\/strong>\uff1a\u53ef\u8de8\u5168\u7403\u670d\u52a1\u5668\u8282\u70b9\u6d4b\u91cf\u4e0a\u4f20\/\u4e0b\u8f7d\u541e\u5410\u91cf\u53ca\u5ef6\u8fdf\u3002\u901a\u8fc7<code>curl -s https:\/\/install.speedtest.net\/app\/cli\/install.sh | sh<\/code>\u5b89\u88c5\uff0c\u6267\u884c<code>speedtest --server 12345<\/code>\uff08\u5c0612345\u66ff\u6362\u4e3a\u65e5\u672c\u670d\u52a1\u5668\u8282\u70b9ID\uff09\u8fdb\u884c\u6d4b\u8bd5\u3002<\/li>\n<\/ol>\n<h3>\u57fa\u4e8e\u811a\u672c\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5<\/h3>\n<p>\u5bf9\u4e8e\u5927\u89c4\u6a21\u73af\u5883\uff0cPython\u811a\u672c\u53ef\u5b9e\u73b0\u6d4b\u8bd5\u7684\u53ef\u7f16\u7a0b\u6027\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528<code>pythonping<\/code>\u5e93\u6d4b\u8bd5\u591a\u8282\u70b9\u5ef6\u8fdf\u7684\u57fa\u7840\u793a\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    # \u6d4b\u8bd5\u591a\u4e2a\u65e5\u672c\u670d\u52a1\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>\u6807\u51c6\u5316\u6d4b\u8bd5\u6d41\u7a0b<\/h3>\n<p>\u4e3a\u786e\u4fdd\u6d4b\u8bd5\u6570\u636e\u53ef\u9760\uff0c\u9700\u9075\u5faa\u4ee5\u4e0b\u7ed3\u6784\u5316\u6d41\u7a0b\uff1a<\/p>\n<ol>\n<li>\u5728\u4e09\u4e2a\u5173\u952e\u65f6\u6bb5\u6d4b\u8bd5\uff1a\u65e99\u70b9\uff08\u4e2d\u56fd\u5de5\u4f5c\u8d77\u59cb\u65f6\u6bb5\uff09\u3001\u4e0b\u53482\u70b9\uff08\u65e5\u672c\u5348\u4f11\u4f4e\u5cf0\uff09\u3001\u665a8\u70b9\uff08\u665a\u95f4\u6d41\u91cf\u9ad8\u5cf0\uff09\u3002<\/li>\n<li>\u4ece\u81f3\u5c11\u4e94\u4e2a\u5730\u7406\u8282\u70b9\u53d1\u8d77\u6d4b\u8bd5\uff1a\u5317\u4eac\u3001\u4e0a\u6d77\u3001\u5e7f\u5dde\u3001\u4e1c\u4eac\u53ca\u7f8e\u56fd\u897f\u6d77\u5cb8\u8282\u70b9\uff08\u5982\u65e7\u91d1\u5c71\uff09\u3002<\/li>\n<li>\u6a21\u62df\u5e94\u7528\u8d1f\u8f7d\u573a\u666f\uff1a\u901a\u8fc7<code>wget --timeout=10<\/code>\u6d4b\u91cf\u9759\u6001HTML\u52a0\u8f7d\u65f6\u95f4\uff0c\u901a\u8fc7<code>curl -w \"Time: %{time_total}s\" -o \/dev\/null https:\/\/api.server.com\/data<\/code>\u6d4b\u91cf\u52a8\u6001API\u54cd\u5e94\u65f6\u95f4\uff0c\u540c\u65f6\u6d4b\u8bd5\u5b9e\u65f6\u5e94\u7528\u7684WebSocket\u5ef6\u8fdf\u3002<\/li>\n<\/ol>\n<h2><strong>\u591a\u5c42\u7ea7\u4f18\u5316\u7b56\u7565<\/strong><\/h2>\n<p>\u6709\u6548\u7684\u5ef6\u8fdf\u964d\u4f4e\u9700\u4ece\u670d\u52a1\u5668\u3001\u7f51\u7edc\u3001\u5ba2\u6237\u7aef\u4e09\u4e2a\u5c42\u9762\u89e3\u51b3\u95ee\u9898\uff0c\u4ee5\u4e0b\u662f\u5404\u5c42\u9762\u7684\u6280\u672f\u4f18\u5316\u65b9\u6848\uff1a<\/p>\n<h3>\u670d\u52a1\u5668\u5c42\u9762\u7684\u4f4e\u5ef6\u8fdf\u914d\u7f6e<\/h3>\n<p>\u9996\u5148\u4ece\u786c\u4ef6\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u914d\u7f6e\u5165\u624b\uff0c\u9488\u5bf9\u8fd0\u884cLinux\u7cfb\u7edf\u7684Intel\u6216AMD\u670d\u52a1\u5668\uff1a<\/p>\n<ul>\n<li><strong>CPU\u8c03\u5ea6\u4f18\u5316<\/strong>\uff1a\u901a\u8fc7<code>chrt -p 99 $(pidof application)<\/code>\u4e3a\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u8fdb\u7a0b\u8bbe\u7f6e\u5b9e\u65f6\u4f18\u5148\u7ea7\uff0c\u51cf\u5c11\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u3002<\/li>\n<li><strong>TCP\u53c2\u6570\u8c03\u4f18<\/strong>\uff1a\u5728<code>\/etc\/sysctl.conf<\/code>\u4e2d\u4f18\u5316\u5185\u6838\u53c2\u6570\uff0c\u964d\u4f4e\u8fde\u63a5\u5efa\u7acb\u5ef6\u8fdf\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>\u5185\u5b58\u7ba1\u7406\u4f18\u5316<\/strong>\uff1a\u542f\u7528\u5927\u9875\uff08Huge Pages\uff09\u51cf\u5c11\u9875\u8868\u7f13\u5b58\uff08TLB\uff09\u7f3a\u5931\uff0c\u6267\u884c<code>echo 1024 &gt; \/sys\/kernel\/mm\/hugepages\/hugepages-2048kB\/nr_hugepages<\/code>\u914d\u7f6e\u3002<\/li>\n<li><strong>\u5e94\u7528\u5c42\u4f18\u5316<\/strong>\uff1a\u91c7\u7528HTTP\/2\u5b9e\u73b0\u8fde\u63a5\u591a\u8def\u590d\u7528\uff0c\u542f\u7528TLS 1.3\u52a0\u901f\u63e1\u624b\u8fc7\u7a0b\uff1b\u5728\u9ad8\u541e\u5410\u91cf\u573a\u666f\u4e0b\uff0c\u5229\u7528NVIDIA GPU\u52a0\u901f\u670d\u52a1\u5668\u7f13\u5b58\u9759\u6001\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<h3>\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u4f18\u5316<\/h3>\n<p>\u7f51\u7edc\u5ef6\u8fdf\u5e38\u6e90\u4e8e\u8def\u7531\u4e0d\u5408\u7406\u6216\u5e26\u5bbd\u53d7\u9650\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6848\u89e3\u51b3\uff1a<\/p>\n<ol>\n<li><strong>\u9009\u7528\u4f18\u8d28\u7f51\u7edc\u7ebf\u8def<\/strong>\uff1a\u4f18\u5148\u9009\u62e9CN2 GIA\uff08\u4e2d\u56fd\u8054\u901a\u5168\u7403\u4e92\u8054\u7f51\u63a5\u5165\uff09\u7ebf\u8def\uff0c\u8fd9\u7c7b\u4e13\u7ebf\u62e5\u585e\u7387\u4f4e\u3002\u4ee5\u5317\u4eac\u65b9\u5411\u4e3a\u4f8b\uff0c\u666e\u901a\u7ebf\u8def\u5ef6\u8fdf\u7ea6120ms\uff0c\u800cCN2 GIA\u53ef\u964d\u81f380ms\u4ee5\u4e0b\u3002<\/li>\n<li><strong>BGP\u591a\u7ebf\u63a5\u5165<\/strong>\uff1a\u4e3a\u670d\u52a1\u5668\u914d\u7f6e\u652f\u6301BGP\u534f\u8bae\u7684\u591a\u8fd0\u8425\u5546\uff08\u5982NTT\u3001KDDI\u3001\u4e2d\u56fd\u7535\u4fe1\uff09\u63a5\u5165\uff0c\u4f7f\u81ea\u6cbb\u7cfb\u7edf\u80fd\u6839\u636e\u5b9e\u65f6\u8def\u7531\u8868\u52a8\u6001\u9009\u62e9\u6700\u4f18\u8def\u5f84\u3002<\/li>\n<li><strong>\u8fb9\u7f18\u8ba1\u7b97\u90e8\u7f72<\/strong>\uff1a\u5728\u4e1c\u4eac\u3001\u5927\u962a\u3001\u798f\u5188\u90e8\u7f72\u7f13\u5b58\u8282\u70b9\uff0c\u4e3a\u533a\u57df\u7528\u6237\u63d0\u4f9b\u672c\u5730\u5316\u670d\u52a1\uff1b\u642d\u914dCloudflare\u6216Vercel Edge Network\u7b49CDN\uff0c\u5229\u7528\u4efb\u64ad\uff08Anycast\uff09IP\u8df3\u8fc7\u5197\u4f59\u8def\u7531\u8282\u70b9\u3002<\/li>\n<li><strong>\u670d\u52a1\u8d28\u91cf\uff08QoS\uff09\u914d\u7f6e<\/strong>\uff1a\u901a\u8fc7\u533a\u5206\u670d\u52a1\uff08DiffServ\uff09\u6216\u591a\u534f\u8bae\u6807\u7b7e\u4ea4\u6362\uff08MPLS\uff09\u4e3a\u5ef6\u8fdf\u654f\u611f\u6d41\u91cf\uff08\u5982VoIP\u3001\u6e38\u620f\u6570\u636e\u5305\uff09\u8bbe\u7f6e\u4f18\u5148\u7ea7\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u901a\u8fc7<code>tc qdisc add dev eth0 root handle 1: htb default 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server_ip\u3002\u9700\u6392\u67e5\u5ef6\u8fdf\u8d85\u8fc7100ms\u6216\u5b58\u5728\u4e22\u5305\u7684\u8282\u70b9\uff0c\u8fd9\u4e9b\u8282\u70b9\u901a\u5e38\u662f\u7f51\u7edc\u74f6\u9888\u6240\u5728\u3002 MTR\uff08My Traceroute\uff09\uff1a\u878d\u5408Ping\u4e0eTraceroute\u529f\u80fd\u7684\u52a8\u6001\u4ea4\u4e92\u5de5\u5177\uff0c\u53ef\u5b9e\u65f6\u663e\u793a\u6bcf\u8df3\u8282\u70b9\u7684\u5ef6\u8fdf\u4e0e\u4e22\u5305\u60c5\u51b5\uff0c\u9002\u5408\u9ad8\u5cf0\u65f6\u6bb5\u7684\u957f\u671f\u76d1\u63a7\uff1amtr &#8211;report-wide server_ip\u3002 Speedtest CLI\uff1a\u53ef\u8de8\u5168\u7403\u670d\u52a1\u5668\u8282\u70b9\u6d4b\u91cf\u4e0a\u4f20\/\u4e0b\u8f7d\u541e\u5410\u91cf\u53ca\u5ef6\u8fdf\u3002\u901a\u8fc7curl -s https:\/\/install.speedtest.net\/app\/cli\/install.sh | sh\u5b89\u88c5\uff0c\u6267\u884cspeedtest &#8211;server 12345\uff08\u5c0612345\u66ff\u6362\u4e3a\u65e5\u672c\u670d\u52a1\u5668\u8282\u70b9ID\uff09\u8fdb\u884c\u6d4b\u8bd5\u3002 \u57fa\u4e8e\u811a\u672c\u7684\u81ea\u52a8\u5316\u6d4b\u8bd5 \u5bf9\u4e8e\u5927\u89c4\u6a21\u73af\u5883\uff0cPython\u811a\u672c\u53ef\u5b9e\u73b0\u6d4b\u8bd5\u7684\u53ef\u7f16\u7a0b\u6027\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528pythonping\u5e93\u6d4b\u8bd5\u591a\u8282\u70b9\u5ef6\u8fdf\u7684\u57fa\u7840\u793a\u4f8b\uff1a import pythonping from datetime import datetime def test_latency(host, count=50): results = pythonping.ping(host, count=count) avg_latency = sum(r.time_elapsed_ms for r in [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/japan-server-latency-testing-optimization\/\">Read 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