{"id":384,"date":"2025-10-28T19:00:08","date_gmt":"2025-10-28T11:00:08","guid":{"rendered":"https:\/\/lovelyping.com\/?p=384"},"modified":"2025-10-28T17:13:24","modified_gmt":"2025-10-28T09:13:24","slug":"384","status":"publish","type":"post","link":"https:\/\/lovelyping.com\/?p=384","title":{"rendered":"F-Stack ff_rss_check()\u4f18\u5316\u4ecb\u7ecd"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\" id=\"1.-\u6982\u8ff0\">1. \u6982\u8ff0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6587\u6863\u65e8\u5728\u4ecb\u7ecd F-Stack \u4e2d\u5bf9 <code>ff_rss_check()<\/code> \u51fd\u6570\u7684\u4e00\u9879\u91cd\u8981\u4f18\u5316\u3002\u8be5\u4f18\u5316\u901a\u8fc7\u5f15\u5165\u4e00\u4e2a<strong>\u9884\u8ba1\u7b97\u7684\u9759\u6001\u7aef\u53e3\u67e5\u627e\u8868<\/strong>\uff0c\u663e\u8457\u63d0\u5347\u4e86\u5e94\u7528\u7a0b\u5e8f\u4f5c\u4e3a\u5ba2\u6237\u7aef\u4e3b\u52a8\u53d1\u8d77\u5927\u91cf\u77ed\u8fde\u63a5\u65f6\u7684\u6027\u80fd\uff0c\u89e3\u51b3\u4e86\u539f <code>ff_rss_check()<\/code> \u51fd\u6570\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u53ef\u80fd\u6210\u4e3a\u6027\u80fd\u74f6\u9888\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6838\u5fc3\u4f18\u5316\u63d0\u4ea4\uff1a<a href=\"https:\/\/github.com\/F-Stack\/f-stack\/commit\/e54aa4317b5d81f9f8643e491d8ec0ec1e72282a\">e54aa4317b5d81f9f8643e491d8ec0ec1e72282a<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2.-\u80cc\u666f\u4e0e\u95ee\u9898\u5206\u6790\">2. \u80cc\u666f\u4e0e\u95ee\u9898\u5206\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ff_rss_check()<\/code> \u51fd\u6570\u5728 F-Stack \u4e2d\u8d1f\u8d23\u4e00\u4e2a\u5173\u952e\u4efb\u52a1\uff1a\u5f53\u5e94\u7528\u7a0b\u5e8f\u4f5c\u4e3a\u5ba2\u6237\u7aef\u53d1\u8d77\u65b0\u7684 TCP \u8fde\u63a5\u65f6\uff0c\u4e3a\u5176\u5206\u914d\u5408\u9002\u7684\u672c\u5730\u6e90\u7aef\u53e3\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u539f\u6709\u5b9e\u73b0\u673a\u5236<\/strong>\uff1a \u6bcf\u6b21\u9700\u8981\u5efa\u7acb\u65b0\u8fde\u63a5\u65f6\uff0c\u90fd\u4f1a\u52a8\u6001\u8c03\u7528 <code>ff_rss_check()<\/code>\u3002\u8be5\u51fd\u6570\u4f1a\u6839\u636e\u76ee\u6807\u670d\u52a1\u7684 IP \u548c\u7aef\u53e3\uff084\u5143\u7ec4\u4fe1\u606f\uff09\uff0c\u901a\u8fc7\u4e00\u4e2a\u54c8\u5e0c\u8ba1\u7b97\u6765\u9009\u62e9\u4e00\u4e2a RSS\uff08Receive Side Scaling\uff09\u53cb\u597d\u7684\u672c\u5730\u7aef\u53e3\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5305\u80fd\u88ab\u9ad8\u6548\u5730\u5206\u53d1\u5230\u6b63\u786e\u7684 CPU \u6838\u5fc3\u4e0a\u5904\u7406\u3002<\/li><li><strong>\u6027\u80fd\u74f6\u9888<\/strong>\uff1a \u5728\u9700\u8981\u9891\u7e41\u521b\u5efa\u77ed\u8fde\u63a5\uff08\u4f8b\u5982\uff0c\u5904\u7406 HTTP \u8bf7\u6c42\u4e14\u672a\u5f00\u542f keep-alive\uff09\u7684\u573a\u666f\u4e0b\uff0c<strong>\u6bcf\u6b21\u8fde\u63a5\u5efa\u7acb\u90fd\u9700\u8981\u6267\u884c\u4e00\u6b21\u6216\u591a\u6b21\u7aef\u53e3\u9009\u62e9\u548c\u51b2\u7a81\u68c0\u67e5<\/strong>\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u6d89\u53ca<strong>\u591a\u6b21\u7684toeplitz_hash\u8ba1\u7b97(\u5e73\u5747\u6bcf\u6b21\u8017\u65f6\u7ea6300+tsc\uff0c\u5e73\u5747\u6b21\u6570\u81f3\u5c11\u4e3a\u8be5\u7aef\u53e3\u7684\u603b\u961f\u5217(\u8fdb\u7a0b)\u6570)<\/strong>\uff0c\u5728\u9ad8\u5e76\u53d1\u538b\u529b\u4e0b\uff0c\u4f1a\u6d88\u8017\u53ef\u89c2\u7684 CPU \u8d44\u6e90\uff0c\u5e76\u6210\u4e3a\u9650\u5236\u8fde\u63a5\u5efa\u7acb\u901f\u7387\u7684\u74f6\u9888\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3.-\u4f18\u5316\u65b9\u6848\uff1a\u9759\u6001-RSS-\u7aef\u53e3\u8868\">3. \u4f18\u5316\u65b9\u6848\uff1a\u9759\u6001 RSS \u7aef\u53e3\u8868<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u514b\u670d\u4e0a\u8ff0\u6027\u80fd\u95ee\u9898\uff0c\u4f18\u5316\u65b9\u6848\u7684\u6838\u5fc3\u601d\u60f3\u662f\uff1a<strong>\u53d8\u201c\u52a8\u6001\u8ba1\u7b97\u201d\u4e3a\u201c\u9759\u6001\u67e5\u627e\u201d<\/strong>\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u9884\u521d\u59cb\u5316\u9759\u6001\u8868<\/strong>\uff1a<ul><li>\u5728\u5e94\u7528\u7a0b\u5e8f\u542f\u52a8\u9636\u6bb5\uff08<code>ff_init()<\/code> \u65f6\uff09\uff0c\u6839\u636e\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u9884\u5b9a\u4e49\u89c4\u5219\uff0c\u9884\u5148\u8ba1\u7b97\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u9759\u6001\u7684\u7aef\u53e3\u67e5\u627e\u8868\uff08<code>ff_rss_tbl<\/code>\uff09\uff0c\u3002<\/li><li>\u8be5\u8868\u5305\u542b\u4e86\u9884\u5148\u8c03\u7528ff_rss_check()\u8ba1\u7b97\u597d\u7684\u54ea\u4e9b\u672c\u5730\u7aef\u53e3\u53d1\u51fa\u53bb\u7684\u5305\u53ef\u4ee5\u8fd4\u56de\u672c\u8fdb\u7a0b\u5bf9\u5e94\u7684\u7f51\u5361\u961f\u5217\uff0c\u8868\u4e2d\u5305\u542b {{\u8fdc\u7a0b\u5730\u5740\uff0c\u8fdc\u7a0b\u7aef\u53e3}:{\u672c\u5730\u5730\u5740, [\u6240\u6709\u53ef\u7528\u672c\u5730\u7aef\u53e3]}}\u7ec4\u5408\uff0c\u4ee5\u53ca\u4e00\u4e9b\u8f85\u52a9\u6570\u636e\u7ed3\u6784\uff0c\u5982\u53ef\u7528\u7aef\u53e3\u7684\u8d77\u59cb\u3001\u7ed3\u675f\u7d22\u5f15\uff0c\u4e0a\u6b21\u9009\u62e9\u7684\u5230\u7684\u7aef\u53e3\u7d22\u5f15\u7b49\u3002<\/li><\/ul><\/li><li><strong>\u9ad8\u6548\u7684\u7aef\u53e3\u9009\u62e9<\/strong>\uff1a<ul><li>\u5f53\u9700\u8981\u5efa\u7acb\u65b0\u8fde\u63a5\u65f6\uff0c\u9996\u5148\u5c1d\u8bd5\u4ece\u8fd9\u4e2a\u9884\u5148\u751f\u6210\u7684\u9759\u6001\u8868\u4e2d\u8fdb\u884c\u67e5\u627e\u3002<\/li><li>\u5982\u679c\u80fd\u627e\u5230\u4e00\u4e2a\u4e0e\u5f53\u524d\u8fde\u63a5\u76ee\u6807\u5730\u5740\/\u7aef\u53e3\u5339\u914d\u4e14\u672a\u88ab\u5360\u7528\u7684\u672c\u5730\u7aef\u53e3\uff0c\u5219\u76f4\u63a5\u4f7f\u7528\u5b83\u3002<strong>\u8fd9\u4e2a\u8fc7\u7a0b\u51e0\u4e4e\u662f\u65e0\u9501\u4e14\u5f00\u9500\u6781\u4f4e\u7684(\u5e73\u5747\u8017\u65f6\u7ea6100-250tsc)<\/strong>\u3002<\/li><li>\u6700\u91cd\u8981\u7684\u662f\uff0c<strong>\u9759\u6001\u67e5\u627e\u8868\u65e0\u9700\u591a\u6b21\u9009\u62e9\u5e76\u8ba1\u7b97RSS\uff0c\u53ea\u9700\u8981\u67e5\u627e\u4e00\u6b21\u672c\u5730\u7aef\u53e3<\/strong>\u5373\u53ef\u4fdd\u8bc1\u8fdc\u7a0b\u56de\u5305\u53ef\u4ee5\u56de\u5230\u672c\u8fdb\u7a0b\u7684\u961f\u5217\u8fdb\u884c\u5904\u7406\uff0c\u6781\u5927\u63d0\u5347\u4e86\u9009\u62e9\u6e90\u7aef\u53e3\u7684\u6548\u7387\uff0c\u8fdb\u800c\u63d0\u5347\u603b\u4f53\u7684QPS\u6027\u80fd\u3002<\/li><\/ul><\/li><li><strong>\u4f18\u96c5\u964d\u7ea7<\/strong>\uff1a<ul><li>\u5982\u679c\u9759\u6001\u8868\u4e2d\u6240\u6709\u7b26\u5408\u6761\u4ef6\u7684\u7aef\u53e3\u90fd\u5df2\u88ab\u5360\u7528\u6216\u8be5\u56db\u5143\u7ec4\u672a\u914d\u7f6e\u9759\u6001\u67e5\u627e\u8868\uff0c\u7cfb\u7edf\u4f1a<strong>\u81ea\u52a8\u964d\u7ea7<\/strong>\u5230\u539f\u6709\u7684 <code>ff_rss_check()<\/code> \u52a8\u6001\u8ba1\u7b97\u6d41\u7a0b\uff0c\u786e\u4fdd\u529f\u80fd\u7684\u6b63\u786e\u6027\u3002<\/li><\/ul><\/li><\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4.-\u914d\u7f6e\u8bf4\u660e\">4. \u914d\u7f6e\u8bf4\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u529f\u80fd\u9700\u8981\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\uff08\u4f8b\u5982 <code>config.ini<\/code>\uff09\u624b\u52a8\u5f00\u542f\u548c\u5b9a\u4e49\u3002\u76f8\u5173\u914d\u7f6e\u6bb5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># \u542f\u7528\u6216\u7981\u7528\u9759\u6001 ff_rss_check \u8868\u3002<br># \u82e5\u542f\u7528\uff0cF-Stack \u5c06\u5728 APP \u542f\u52a8\u65f6\u521d\u59cb\u5316\u8be5\u8868\u3002<br># \u6b64\u540e\u5f53 APP \u4f5c\u4e3a\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u65f6\uff0c\u4f1a\u9996\u5148\u5c1d\u8bd5\u4ece\u8be5\u8868\u4e2d\u9009\u62e9\u672c\u5730\u7aef\u53e3\u3002<br>[ff_rss_check_tbl]<br># \u542f\u7528\u5f00\u5173\uff1a0-\u7981\u7528\uff0c1-\u542f\u7528\u3002\u9ed8\u8ba4\u4e3a 0\u3002<br>enable = 1<br># \u5b9a\u4e49\u7aef\u53e3\u5206\u914d\u89c4\u5219\uff084\u5143\u7ec4\uff09\u3002<br># \u683c\u5f0f\uff1a&lt;\u7f51\u5361\u7aef\u53e3ID&gt; &lt;\u672c\u5730\u5730\u5740 daddr&gt; &lt;\u8fdc\u7a0b\u5730\u5740 saddr&gt; &lt;\u8fdc\u7a0b\u7aef\u53e3 sport&gt;<br># \u5355\u4e2a\u56db\u5143\u7ec4\u5185\u7528\u7a7a\u683c\u5206\u9694\uff0c\u591a\u4e2a\u56db\u5143\u7ec4\u4e4b\u95f4\u7528\u5206\u53f7\u5206\u9694\u3002<br># \u6ce8\u610f\uff1asaddr\/sport \u4e8c\u5143\u7ec4\u6700\u591a\u652f\u6301 16 \u4e2a\uff0c\u540c\u4e00 saddr\/sport \u4e0b\u6700\u591a\u652f\u6301 4 \u4e2a daddr\u3002<br># \u56e0\u6b64\uff0c\u6700\u591a\u652f\u6301 64 \u79cd\u7ec4\u5408\uff0c\u8d85\u51fa\u7684\u914d\u7f6e\u5c06\u88ab\u5ffd\u7565\u3002<br>rss_tbl=0 192.168.1.10 192.168.2.10 80;0 192.168.1.10 192.168.2.11 80;0 192.168.1.10 192.168.2.12 80<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u914d\u7f6e\u53c2\u6570\u8be6\u89e3<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>enable<\/code>: \u603b\u5f00\u5173\uff0c\u5fc5\u987b\u8bbe\u7f6e\u4e3a 1 \u624d\u80fd\u542f\u7528\u6b64\u4f18\u5316\u529f\u80fd\u3002<\/li><li><code>rss_tbl<\/code>: \u5b9a\u4e49\u7aef\u53e3\u5206\u914d\u89c4\u5219\u3002\u6bcf\u4e00\u6761\u89c4\u5219\u6307\u5b9a\u4e86\u7f51\u5361\u7aef\u53e3ID\u7528\u4e8e\u83b7\u53d6\u7f51\u5361\u7684\u961f\u5217\u914d\u7f6e\uff0c\u5bf9\u4e8e\u7279\u5b9a\u7684\u76ee\u6807\u670d\u52a1\uff08<code>saddr<\/code> + <code>sport<\/code>\uff09\uff0c\u4f7f\u7528\u54ea\u4e2a\u9884\u5148\u5206\u914d\u597d\u7684\u672c\u5730\u5730\u5740\uff08<code>daddr<\/code>\uff09\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5.-\u6027\u80fd\u63d0\u5347\">5. \u6027\u80fd\u63d0\u5347<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6839\u636e\u5185\u90e8\u6d4b\u8bd5\u6570\u636e\uff0c\u8be5\u4f18\u5316\u5e26\u6765\u4e86\u663e\u8457\u7684\u6027\u80fd\u63d0\u5347\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6d4b\u8bd5\u573a\u666f<\/strong>\uff1a \u5ba2\u6237\u7aef(wrk)\u5411F-Stack Nginx\u53d1\u8d77http\u8bf7\u6c42\uff0c\u4f7f\u7528\u957f\u8fde\u63a5\u3002F-Stack Nginx\u8bbe\u7f6e\u53cd\u5411\u4ee3\u7406\uff0c\u4f5c\u4e3a\u5ba2\u6237\u7aef\uff0c\u9891\u7e41\u5411\u591a\u4e2a\u8fdc\u7a0b\u670d\u52a1\u5668\u53d1\u8d77\u77ed TCP \u8fde\u63a5\uff08\u672a\u4f7f\u7528 keep-alive\uff09\u3002\u793a\u4f8b\u56fe\u5982\u4e0b\u6240\u793a\uff1a<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"918\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/image-1024x918.png\" alt=\"\" class=\"wp-image-388\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/image-1024x918.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/image-300x269.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/image-768x688.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/image.png 1419w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6d4b\u8bd5\u6570\u636e\uff1a<\/strong>\u5982\u4e0b\u8868\u6240\u793a<\/li><li><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"481\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic5.png\" alt=\"\" class=\"wp-image-385\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic5.png 720w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic5-300x200.png 300w\" sizes=\"auto, (max-width: 720px) 100vw, 720px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5e38\u89c4 QPS \u63d0\u5347\u7ea6 <strong>2-6%\u5de6\u53f3\uff0c\u4e14\u63d0\u5347\u7684\u6bd4\u5217\u4f1a\u968f\u7740\u8fdb\u7a0b\u6570\u7684\u589e\u52a0\u800c\u589e\u52a0<\/strong>\uff0c\u56e0\u4e3a\u8fdb\u7a0b\u6570\u8d8a\u591a\uff0c\u539f\u6709\u7684ff_rss_check()\u9700\u8981\u8ba1\u7b97\u7684\u5e73\u5747\u6b21\u6570\u5c31\u8d8a\u591a\u3002<\/li><li><strong>\u67d0\u4e9b\u7279\u6b8a\u573a\u666f\u4e0b\u63d0\u5347\u53ef\u4ee5\u8fbe\u523035%\u4ee5\u4e0a\uff0c<\/strong>\u4e3b\u8981\u662f\u56e0\u4e3a\u5728\u67d0\u4e9b\u8fdb\u7a0b\u6570\u7684\u914d\u7f6e\u4e0b\uff0c\u539f\u59cb\u52a8\u6001\u8ba1\u7b97\u65b9\u5f0f\uff0c\u968f\u673a\u9009\u62e9\u6e90\u7aef\u53e3\u7684\u6b21\u6570\u4f1a\u8fdc\u8d85\u6570\u5b66\u671f\u671b\u7684\u603b\u8fdb\u7a0b\u6570+\u5c11\u91cf\u6b21\u6570\uff0c\u5bfc\u81f4\u9700\u8981\u5927\u91cf\u989d\u5916\u8c03\u7528ff_rss_check()\u8fdb\u884c\u8ba1\u7b97\uff0c\u6d88\u8017\u4e86\u5927\u91cfCPU\u8d44\u6e90\u3002<ul><li>\u3010\u6ce8\u610f\u3011\u4e0d\u540c\u7684upstream\u670d\u52a1\u5668\u914d\u7f6e(\u6570\u91cf\u3001IP\u3001\u7aef\u53e3\u7b49)\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u540c\u7684\u8fdb\u7a0b\u6570\u5b58\u5728\u7c7b\u4f3c\u95ee\u9898\uff0c\u5728\u672c\u6d4b\u8bd5\u573a\u666f\u4e0b\u914d\u7f6e8\u621616\u8fdb\u7a0b\u65f6\uff0c\u4f1a\u51fa\u73b0\u8be5\u95ee\u9898\u3002\u5bfc\u81f4\u8be5\u95ee\u9898\u7684\u5177\u4f53\u539f\u56e0\u5219\u5c1a\u672a\u5b8c\u5168\u660e\u786e\uff0c\u67e5\u770b\u76f8\u5173\u9759\u6001\u8868\u3001\u7aef\u53e3\u662f\u5426\u6b63\u5728\u88ab\u5360\u7528\u548c\u8bf7\u6c42\u6d4b\u8bd5\u90fd\u6b63\u5e38\u3002<\/li><li>\u5982\u4e0b\u8868\u6240\u793a\u5206\u522b\u4e3a8\u548c12\u8fdb\u7a0bNginx\u8c03\u7528ff_rss_check()\u6b21\u6570\u7684\u7edf\u8ba1\uff0c\u53ef\u4ee5\u770b\u52308\u6838\u65f6\u7684\u968f\u673a\u9009\u62e9\u6b21\u6570\u660e\u663e\u8d85\u51fa\u4e86\u6570\u5b66\u671f\u671b\u7684\uff08\u5e94\u8be5\u57288-12\u6b21\u5de6\u53f3\uff09\uff0c16\u6838\u540c\u7406\u3002<ul><li>\u5176\u4e2drandomtime\u8868\u793a\u5185\u6838\u53c2\u6570net.inet.ip.portrange.randomtime\u7684\u8bbe\u7f6e\uff0c\u56e0\u4e3aF-Stack\u6846\u67b6\u7684\u7279\u6027\uff0c\u4f5c\u4e3a\u5ba2\u6237\u7aef\u9009\u62e9\u6e90\u7aef\u53e3\u65f6\u6b64\u65f6\u5b8c\u5168\u968f\u673a\u9009\u62e9\u6548\u679c\u66f4\u597d\uff0c\u4e14F-Stack\u5bf9\u968f\u673a\u6027\u8981\u6c42\u5e76\u4e0d\u9ad8\uff0c\u65e9\u524d\u5df2\u7ecf\u66ff\u6362\u4e86\u6027\u80fd\u597d\u597d\u5f88\u591a\u7684\u4f2a\u968f\u673a\u51fd\u6570\u3002<\/li><\/ul><\/li><\/ul><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"537\" height=\"188\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic6.png\" alt=\"\" class=\"wp-image-386\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic6.png 537w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic6-300x105.png 300w\" sizes=\"auto, (max-width: 537px) 100vw, 537px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>perf top\u622a\u56fe<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"378\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_norandom-1024x378.png\" alt=\"\" class=\"wp-image-389\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_norandom-1024x378.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_norandom-300x111.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_norandom-768x283.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_norandom.png 1417w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">8\u8fdb\u7a0b\u95f4\u6b47\u6027\u968f\u673a(\u5927\u90e8\u5206\u4e0d\u968f\u673a)\u65f6ff_rss_check()\u8c03\u7528\u6b21\u6570\u592a\u591a\uff0c\u70ed\u70b9\u5f88\u9ad8<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"522\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_random-1024x522.png\" alt=\"\" class=\"wp-image-390\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_random-1024x522.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_random-300x153.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_random-768x392.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/8_random.png 1061w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">8\u8fdb\u7a0b\u5b8c\u5168\u968f\u673a\uff0cff_rss_check()\u8c03\u7528\u6b21\u6570\u70ed\u70b9\u6709\u4e00\u5b9a\u964d\u4f4e<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"371\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/12-1024x371.png\" alt=\"\" class=\"wp-image-391\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/12-1024x371.png 1024w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/12-300x109.png 300w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/12-768x278.png 768w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/12.png 1172w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">12\u8fdb\u7a0b\uff0cff_rss_check()\u7684\u70ed\u70b9\u5219\u5927\u5e45\u4e0b\u964d<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>8\u8fdb\u7a0b\u95f4\u6b47\u968f\u673a\u548c\u5b8c\u5168\u968f\u673a\u9009\u62e9\u6e90\u7aef\u53e3QPS\u6027\u80fd\u5bf9\u6bd4<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"677\" height=\"243\" src=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic7.png\" alt=\"\" class=\"wp-image-387\" srcset=\"https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic7.png 677w, https:\/\/lovelyping.com\/wp-content\/uploads\/2025\/10\/pic7-300x108.png 300w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"6.-\u5176\u4ed6\u53c2\u6570\u4f18\u5316\u8c03\u6574\">6. \u5176\u4ed6\u53c2\u6570\u4f18\u5316\u8c03\u6574<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">F-Stack\u5bf9\u5e94\u8c03\u6574\u4e86\u90e8\u5206\u53c2\u6570\uff0c\u5177\u4f53\u5982\u4e0b\uff0c\u5176\u4ed6\u4e1a\u52a1\u5982\u4f55\u914d\u7f6e\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u4e1a\u52a1\u7684\u5177\u4f53\u7279\u70b9\u7075\u6d3b\u8c03\u6574<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">[freebsd.sysctl]<br>net.inet.tcp.delayed_ack=1 # \u53ef\u4ee5\u63d0\u5347\u5927\u5e76\u53d1\u7684\u541e\u5410\u91cf<br>net.inet.tcp.fast_finwait2_recycle=1<br>net.inet.tcp.finwait2_timeout=5000<br>net.inet.tcp.maxtcptw=128 # \u5c3d\u5feb\u91ca\u653eTIME_WAIT\u72b6\u6001\u7684\u7aef\u53e3\uff0c\u589e\u52a0\u7a7a\u95f2\u7aef\u53e3\uff0c\u51cf\u5c11in_pcblookup_local()\u7684\u8c03\u7528\u6b21\u6570\uff0c\u8fdb\u800c\u51cf\u5c11ff_rss_check()\u7684\u8c03\u7528\u6b21\u6570<br>net.inet.ip.portrange.randomized=1<br># Always do random while connect to remote server.<br># In some scenarios of F-Stack application, the performance can be improved to a certain extent, ablout 5%.<br>net.inet.ip.portrange.randomtime=0 # \u5bf9\u67d0\u4e9b\u7279\u5b9a\u914d\u7f6e\u6761\u4ef6\u4e0b\u539f\u52a8\u6001\u8ba1\u7b97ff_rss_check()\u65b9\u5f0f\u6709\u4e00\u5b9a\u6027\u80fd\u63d0\u5347<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7.-\u603b\u7ed3\">7. \u603b\u7ed3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6b21\u5bf9 <code>ff_rss_check()<\/code> \u7684\u4f18\u5316\u662f F-Stack \u8ffd\u6c42\u6027\u4f18\u5316\u80fd\u7684\u4e00\u4e2a\u5178\u578b\u4f8b\u5b50\u3002\u5b83\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u89e3\u51b3\u4e86\u6838\u5fc3\u74f6\u9888\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u7a7a\u95f4\u6362\u65f6\u95f4<\/strong>\uff1a \u4f7f\u7528\u9884\u8ba1\u7b97\u7684\u9759\u6001\u8868\u6362\u53d6\u8fd0\u884c\u65f6\u52a8\u6001\u8ba1\u7b97\u7684\u5f00\u9500\u3002<\/li><li><strong>\u51cf\u5c11\u8c03\u7528\u6b21\u6570<\/strong>\uff1a \u6781\u5927\u964d\u4f4e\u4e86\u7aef\u53e3\u9009\u62e9\u65f6\u7684ff_rss_check()\u548cin_pcblookup_local()\u7684\u91cd\u8bd5\u8c03\u7528\u6b21\u6570\uff0c\u5b9e\u73b0\u603b\u4f53\u7cfb\u7edf2-6%\uff0c\u7279\u6b8a\u6781\u9650\u573a\u666f35%\u4ee5\u4e0a\u7684\u603b\u4f53\u7cfb\u7edf\u6027\u80fd\u63d0\u5347\u3002<\/li><li><strong>\u4fdd\u8bc1\u517c\u5bb9<\/strong>\uff1a \u901a\u8fc7\u964d\u7ea7\u673a\u5236\u4fdd\u969c\u4e86\u5728\u4efb\u4f55\u60c5\u51b5\u4e0b\u7684\u529f\u80fd\u6b63\u786e\u6027\u3002<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5efa\u8bae\u542f\u7528\u6b64\u529f\u80fd\u7684\u573a\u666f<\/strong>\uff1a \u6240\u6709\u4f7f\u7528 F-Stack \u4f5c\u4e3a\u5ba2\u6237\u7aef\u3001\u9700\u8981\u9ad8\u9891\u7387\u521b\u5efa\u65b0\u8fde\u63a5\uff08\u7279\u522b\u662f\u77ed\u8fde\u63a5\uff09\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u542f\u7528\u540e\uff0c\u53ea\u9700\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u9884\u5148\u5b9a\u4e49\u597d\u5e38\u7528\u7684\u76ee\u6807\u670d\u52a1\u5730\u5740\uff0c\u5373\u53ef\u83b7\u5f97\u663e\u8457\u7684\u6027\u80fd\u6536\u76ca\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010AI\u4f7f\u7528\u58f0\u660e\u3011\u672c\u6587\u521d\u59cb\u7248\u672c\u4f7f\u7528DeepSeek-V3.1\u751f\u6210\uff0c\u7136\u540e\u8fdb\u884c\u4eba\u5de5\u8c03\u6574\uff1b\u793a\u610f\u56fe\u7247\u7531\u5143\u5b9d\u6839\u636e\u4eba\u5de5\u63d0\u4f9b\u7684\u63d0\u793a\u8bcd\u751f\u6210\u548c\u4fee\u6539<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u6982\u8ff0 \u672c\u6587\u6863\u65e8\u5728\u4ecb\u7ecd F-Stack \u4e2d\u5bf9 ff_rss_check() \u51fd\u6570\u7684\u4e00\u9879\u91cd\u8981\u4f18\u5316\u3002\u8be5\u4f18\u5316\u901a\u8fc7 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/lovelyping.com\/?p=384\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cF-Stack ff_rss_check()\u4f18\u5316\u4ecb\u7ecd\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,10],"tags":[21,39,11],"class_list":["post-384","post","type-post","status-publish","format-standard","hentry","category-f-stack","category-nginx","tag-f-stack","tag-ff_rss_check","tag-nginx"],"_links":{"self":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts\/384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=384"}],"version-history":[{"count":3,"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts\/384\/revisions"}],"predecessor-version":[{"id":394,"href":"https:\/\/lovelyping.com\/index.php?rest_route=\/wp\/v2\/posts\/384\/revisions\/394"}],"wp:attachment":[{"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lovelyping.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}