{"id":19370,"date":"2024-09-03T08:27:48","date_gmt":"2024-09-03T00:27:48","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-cn\/how-to-fix-high-ping-issues-with-hong-kong-servers\/"},"modified":"2025-04-07T11:32:14","modified_gmt":"2025-04-07T03:32:14","slug":"how-to-fix-high-ping-issues-with-hong-kong-servers","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-fix-high-ping-issues-with-hong-kong-servers\/","title":{"rendered":"\u5982\u4f55\u89e3\u51b3\u9999\u6e2f\u670d\u52a1\u5668PING\u503c\u9ad8\u7684\u95ee\u9898\uff1f"},"content":{"rendered":"<p>\u7f51\u7edc\u5ef6\u8fdf\u95ee\u9898\u548c<a href=\"https:\/\/www.varidata.com\/zh-cn\/server\/hk\/cn2\/\" target=\"_blank\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u7684PING\u503c\u9ad8\u4f1a\u4e25\u91cd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u4f18\u5316\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\u548c\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u7684\u6280\u672f\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h2><strong>\u4e86\u89e3PING\u503c\u53ca\u5176\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u7684\u5f71\u54cd<\/strong><\/h2>\n<p>PING\u503c\u6d4b\u91cf\u7684\u662f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f80\u8fd4\u65f6\u95f4(RTT)\u3002\u8fde\u63a5\u9999\u6e2f\u670d\u52a1\u5668\u65f6\uff0c\u6765\u81ea\u4e9a\u592a\u5730\u533a\u7684\u5178\u578bPING\u503c\u5e94\u572830-80ms\u4e4b\u95f4\u3002\u66f4\u9ad8\u7684\u503c\u8868\u660e\u53ef\u80fd\u5b58\u5728\u9700\u8981\u8c03\u67e5\u7684\u7f51\u7edc\u6216\u914d\u7f6e\u95ee\u9898\u3002<\/p>\n<p>\u8981\u68c0\u67e5\u5f53\u524dPING\u503c\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u884c\u5de5\u5177\uff1a<\/p>\n<pre><code>\r\n# \u57fa\u672cPING\u6d4b\u8bd5\r\nping hostname.com\r\n\r\n# MTR\u8be6\u7ec6\u8df3\u8dc3\u5206\u6790\r\nmtr -n hostname.com\r\n\r\n# TCP\u5ef6\u8fdf\u6d4b\u8bd5\r\ntcping hostname.com 80\r\n<\/code><\/pre>\n<h2><strong>PING\u503c\u9ad8\u7684\u5e38\u89c1\u539f\u56e0<\/strong><\/h2>\n<p>\u51e0\u4e2a\u6280\u672f\u56e0\u7d20\u53ef\u80fd\u5bfc\u81f4PING\u503c\u5347\u9ad8\uff1a<\/p>\n<ol>\n<li>\u7f51\u7edc\u8def\u7531\u4f18\u5316\u95ee\u9898<\/li>\n<li>DNS\u89e3\u6790\u5ef6\u8fdf<\/li>\n<li>\u670d\u52a1\u5668\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e<\/li>\n<li>TCP\/IP\u534f\u8bae\u6808\u8bbe\u7f6e<\/li>\n<li>\u5e26\u5bbd\u9650\u5236<\/li>\n<\/ol>\n<h2><strong>\u6280\u672f\u89e3\u51b3\u65b9\u6848\u548c\u4f18\u5316\u6280\u672f<\/strong><\/h2>\n<p>\u5b9e\u65bd\u8fd9\u4e9b\u670d\u52a1\u5668\u7aef\u4f18\u5316\u4ee5\u6539\u5584\u54cd\u5e94\u65f6\u95f4\uff1a<\/p>\n<pre><code>\r\n# \u5728sysctl.conf\u4e2d\u4f18\u5316TCP\u8bbe\u7f6e\r\nnet.ipv4.tcp_fin_timeout = 30\r\nnet.ipv4.tcp_keepalive_time = 1200\r\nnet.ipv4.tcp_max_syn_backlog = 8192\r\nnet.ipv4.tcp_tw_reuse = 1\r\n\r\n# \u5e94\u7528\u66f4\u6539\r\nsysctl -p\r\n<\/code><\/pre>\n<p>\u4f7f\u7528\u8fd9\u4e9b\u4f18\u5316\u914d\u7f6e\u7f51\u7edc\u534f\u8bae\u6808\uff1a<\/p>\n<pre><code>\r\n# \u542f\u7528BBR\u62e5\u585e\u63a7\u5236\r\necho \"net.core.default_qdisc=fq\" >> \/etc\/sysctl.conf\r\necho \"net.ipv4.tcp_congestion_control=bbr\" >> \/etc\/sysctl.conf\r\n\r\n# \u589e\u52a0\u7f51\u7edc\u7f13\u51b2\u533a\u5927\u5c0f\r\nnet.core.rmem_max = 16777216\r\nnet.core.wmem_max = 16777216\r\n<\/code><\/pre>\n<h2><strong>\u7f51\u7edc\u8def\u7531\u4f18\u5316<\/strong><\/h2>\n<p>\u4f7f\u7528\u591a\u4e2a\u8fd0\u8425\u5546\u5b9e\u65bdBGP\u8def\u7531\u4f18\u5316\u3002\u4ee5\u4e0b\u662f\u57fa\u672cBGP\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n<pre><code>\r\nrouter bgp 65000\r\n neighbor 192.0.2.1 remote-as 64496\r\n neighbor 192.0.2.1 route-map PREFER_PATH in\r\n!\r\nroute-map PREFER_PATH permit 10\r\n set local-preference 200\r\n<\/code><\/pre>\n<h2><strong>\u76d1\u63a7\u548c\u8bca\u65ad<\/strong><\/h2>\n<p>\u90e8\u7f72\u8fd9\u4e9b\u76d1\u63a7\u5de5\u5177\u8fdb\u884c\u6301\u7eed\u6027\u80fd\u8ddf\u8e2a\uff1a<\/p>\n<ul>\n<li>Prometheus\u7528\u4e8e\u6307\u6807\u6536\u96c6<\/li>\n<li>Grafana\u7528\u4e8e\u53ef\u89c6\u5316<\/li>\n<li>Smokeping\u7528\u4e8ePING\u503c\u76d1\u63a7<\/li>\n<\/ul>\n<h2><strong>\u9ad8\u7ea7\u6545\u969c\u6392\u9664\u6280\u672f<\/strong><\/h2>\n<p>\u5f53\u6807\u51c6\u4f18\u5316\u4e0d\u8db3\u65f6\uff0c\u91c7\u7528\u8fd9\u4e9b\u8bca\u65ad\u65b9\u6cd5\uff1a<\/p>\n<pre><code>\r\n# \u68c0\u67e5\u6570\u636e\u5305\u4e22\u5931\r\niperf3 -c server_ip -p 5201 -t 30\r\n\r\n# \u5206\u6790TCP\u8fde\u63a5\u72b6\u6001\r\nnetstat -n | awk '\/^tcp\/ {++S[$NF]} END {for(a in S) print a, S[a]}'\r\n\r\n# \u76d1\u63a7\u7f51\u7edc\u63a5\u53e3\u9519\u8bef\r\nethtool -S eth0 | grep -i error\r\n<\/code><\/pre>\n<h2><strong>CDN\u96c6\u6210\u7b56\u7565<\/strong><\/h2>\n<p>\u4f7f\u7528\u6b64\u57fa\u672c\u914d\u7f6e\u7ed3\u6784\u5b9e\u65bd\u591aCDN\u65b9\u6848\uff1a<\/p>\n<pre><code>\r\nlocation \/ {\r\n    proxy_pass http:\/\/backend;\r\n    proxy_next_upstream error timeout invalid_header http_500;\r\n    proxy_connect_timeout 2;\r\n    proxy_set_header Host $host;\r\n    proxy_set_header X-Real-IP $remote_addr;\r\n}\r\n<\/code><\/pre>\n<h2><strong>\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e<\/strong><\/h2>\n<p>\u4f7f\u7528\u6b64\u4f18\u5316\u914d\u7f6e\u90e8\u7f72HAProxy\uff1a<\/p>\n<pre><code>\r\nglobal\r\n    maxconn 50000\r\n    \r\ndefaults\r\n    mode http\r\n    timeout connect 5000ms\r\n    timeout client 50000ms\r\n    timeout server 50000ms\r\n    \r\nfrontend http-in\r\n    bind *:80\r\n    default_backend servers\r\n    \r\nbackend servers\r\n    balance roundrobin\r\n    server server1 10.0.0.1:80 check\r\n    server server2 10.0.0.2:80 check\r\n<\/code><\/pre>\n<p>\u8bf7\u8bb0\u4f4f\uff0c\u6700\u4f73\u670d\u52a1\u5668\u6027\u80fd\u9700\u8981\u6839\u636e\u7f51\u7edc\u6761\u4ef6\u548c\u670d\u52a1\u5668\u79df\u7528\u8981\u6c42\u6301\u7eed\u76d1\u63a7\u548c\u8c03\u6574\u8fd9\u4e9b\u914d\u7f6e\u3002\u5b9a\u671f\u6d4b\u8bd5\u548c\u6027\u80fd\u5206\u6790\u5c06\u6709\u52a9\u4e8e\u4fdd\u6301\u9999\u6e2f\u670d\u52a1\u5668\u7684\u4f4ePING\u503c\u548c\u786e\u4fdd\u53ef\u9760\u7684\u670d\u52a1\u4ea4\u4ed8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f51\u7edc\u5ef6\u8fdf\u95ee\u9898\u548c\u9999\u6e2f\u670d\u52a1\u5668\u7684PING\u503c\u9ad8\u4f1a\u4e25\u91cd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002\u672c\u7efc\u5408\u6307\u5357\u63a2\u8ba8\u4e86\u4f18\u5316\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\u548c\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\u7684\u6280\u672f\u89e3\u51b3\u65b9\u6848\u3002 \u4e86\u89e3PING\u503c\u53ca\u5176\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u7684\u5f71\u54cd PING\u503c\u6d4b\u91cf\u7684\u662f\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u5f80\u8fd4\u65f6\u95f4(RTT)\u3002\u8fde\u63a5\u9999\u6e2f\u670d\u52a1\u5668\u65f6\uff0c\u6765\u81ea\u4e9a\u592a\u5730\u533a\u7684\u5178\u578bPING\u503c\u5e94\u572830-80ms\u4e4b\u95f4\u3002\u66f4\u9ad8\u7684\u503c\u8868\u660e\u53ef\u80fd\u5b58\u5728\u9700\u8981\u8c03\u67e5\u7684\u7f51\u7edc\u6216\u914d\u7f6e\u95ee\u9898\u3002 \u8981\u68c0\u67e5\u5f53\u524dPING\u503c\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u884c\u5de5\u5177\uff1a # \u57fa\u672cPING\u6d4b\u8bd5 ping hostname.com # MTR\u8be6\u7ec6\u8df3\u8dc3\u5206\u6790 mtr -n hostname.com # TCP\u5ef6\u8fdf\u6d4b\u8bd5 tcping hostname.com 80 PING\u503c\u9ad8\u7684\u5e38\u89c1\u539f\u56e0 \u51e0\u4e2a\u6280\u672f\u56e0\u7d20\u53ef\u80fd\u5bfc\u81f4PING\u503c\u5347\u9ad8\uff1a \u7f51\u7edc\u8def\u7531\u4f18\u5316\u95ee\u9898 DNS\u89e3\u6790\u5ef6\u8fdf \u670d\u52a1\u5668\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e TCP\/IP\u534f\u8bae\u6808\u8bbe\u7f6e \u5e26\u5bbd\u9650\u5236 \u6280\u672f\u89e3\u51b3\u65b9\u6848\u548c\u4f18\u5316\u6280\u672f \u5b9e\u65bd\u8fd9\u4e9b\u670d\u52a1\u5668\u7aef\u4f18\u5316\u4ee5\u6539\u5584\u54cd\u5e94\u65f6\u95f4\uff1a # \u5728sysctl.conf\u4e2d\u4f18\u5316TCP\u8bbe\u7f6e net.ipv4.tcp_fin_timeout = 30 net.ipv4.tcp_keepalive_time = 1200 net.ipv4.tcp_max_syn_backlog = 8192 net.ipv4.tcp_tw_reuse = 1 # \u5e94\u7528\u66f4\u6539 sysctl -p \u4f7f\u7528\u8fd9\u4e9b\u4f18\u5316\u914d\u7f6e\u7f51\u7edc\u534f\u8bae\u6808\uff1a # \u542f\u7528BBR\u62e5\u585e\u63a7\u5236 echo &#8220;net.core.default_qdisc=fq&#8221; >> \/etc\/sysctl.conf echo &#8220;net.ipv4.tcp_congestion_control=bbr&#8221; >> [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-cn\/blog\/how-to-fix-high-ping-issues-with-hong-kong-servers\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":19367,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[76],"tags":[],"class_list":["post-19370","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u89e3\u51b3\u9999\u6e2f\u670d\u52a1\u5668PING\u503c\u9ad8\u7684\u95ee\u9898\uff1f<\/title>\n<meta name=\"description\" content=\"\u5b66\u4e60\u8bca\u65ad\u548c\u4f18\u5316\u9999\u6e2f\u670d\u52a1\u5668PING\u503c\u9ad8\u7684\u95ee\u9898\u7684\u9ad8\u7ea7\u6280\u672f\u3002\u5305\u62ec\u7f51\u7edc\u914d\u7f6e\u63d0\u793a\u3001\u4ee3\u7801\u793a\u4f8b\u548c\u4e13\u4e1a\u6545\u969c\u6392\u9664\u65b9\u6cd5\" \/>\n<meta name=\"robots\" content=\"index, follow, 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