{"id":25491,"date":"2025-10-10T18:37:00","date_gmt":"2025-10-10T10:37:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=25491"},"modified":"2025-09-10T14:51:32","modified_gmt":"2025-09-10T06:51:32","slug":"optimize-japan-server-performance-system-network-database-security","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/dedicated-server\/optimize-japan-server-performance-system-network-database-security\/","title":{"rendered":"\u65e5\u672c\u670d\u52a1\u5668\u8d2d\u4e70\u540e\u5982\u4f55\u4f18\u5316\u6027\u80fd\uff1f\u7cfb\u7edf\u3001\u7f51\u7edc\u3001\u6570\u636e\u5e93\u4e0e\u5b89\u5168\u7684\u5b9e\u64cd\u6e05\u5355"},"content":{"rendered":"\n<p><br>\u5f88\u591a\u4eba\u4ee5\u4e3a\uff0c\u4e70\u4e86<a href=\"https:\/\/cn.hostease.com\/jpserver.html\">\u65e5\u672c\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u90e8\u7f72\u5b8c\u7f51\u7ad9\u5c31\u53ef\u4ee5\u4e00\u52b3\u6c38\u9038\u3002\u4f46\u6211\u5728\u5e2e\u5ba2\u6237\u7f51\u7ad9\u505a\u8fc1\u79fb\u65f6\u53d1\u73b0\uff1a\u540c\u6837\u7684\u914d\u7f6e\uff0c\u6709\u7684\u7ad9\u70b9\u8bbf\u95ee\u6d41\u7545\uff0c\u6709\u7684\u5374\u7ecf\u5e38\u5361\u987f\u3002\u5173\u952e\u5dee\u522b\u5c31\u5728\u4e8e<strong>\u8d2d\u4e70\u540e\u7684\u4f18\u5316\u662f\u5426\u5230\u4f4d<\/strong>\u3002<br>\u5982\u679c\u4f60\u4e0d\u8c03\u6574\u7cfb\u7edf\u53c2\u6570\u3001\u4e0d\u7ba1\u7f51\u7edc\u62e5\u585e\u3001\u4e0d\u4f18\u5316\u6570\u636e\u5e93\uff0c\u90a3\u8fd9\u53f0\u670d\u52a1\u5668\u7684\u6f5c\u529b\u53ef\u80fd\u53ea\u53d1\u6325\u4e86\u4e00\u534a\u3002\u4f18\u5316\u540e\u7684\u597d\u5904\u975e\u5e38\u76f4\u89c2\uff1a\u5ef6\u8fdf\u66f4\u7a33\u3001\u541e\u5410\u66f4\u9ad8\u3001\u5b95\u673a\u66f4\u5c11\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7cfb\u7edf\u8bbe\u7f6e\uff1a\u5148\u628a\u201c\u5730\u57fa\u201d\u6253\u7a33<\/h2>\n\n\n\n<p>\u7b2c\u4e00\u6b65\u5c31\u662f\u505a\u201c\u57fa\u7ebf\u201d\uff0c\u4e5f\u5c31\u662f\u628a\u7cfb\u7edf\u73af\u5883\u8c03\u6574\u5230\u4e00\u4e2a\u53ef\u9884\u6d4b\u3001\u7a33\u56fa\u7684\u72b6\u6001\u3002<br>\u5728\u5b9e\u9645\u8fd0\u7ef4\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u5148\u505a\u8fd9\u51e0\u4ef6\u4e8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65f6\u95f4\u540c\u6b65<\/strong>\uff1a\u8bbe\u7f6e\u6210\u65e5\u672c\u65f6\u533a\uff08Asia\/Tokyo\uff09\uff0c\u5e76\u5f00\u542fNTP\/chrony\uff0c\u4fdd\u8bc1\u65e5\u5fd7\u65f6\u95f4\u7edf\u4e00\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u52a8\u5b89\u5168\u66f4\u65b0<\/strong>\uff1a\u542f\u7528unattended-upgrades\uff0c\u907f\u514d\u5fd8\u8bb0\u8865\u4e01\u5e26\u6765\u98ce\u9669\u3002<\/li>\n\n\n\n<li><strong>\u6587\u4ef6\u53e5\u67c4\u6570<\/strong>\uff1a\u8c03\u5927<code>fs.file-max<\/code>\u548c\u670d\u52a1\u7684<code>LimitNOFILE<\/code>\uff0c\u9632\u6b62\u9ad8\u5e76\u53d1\u4e0b\u8fde\u63a5\u88ab\u62d2\u7edd\u3002<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udc49 \u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\uff0c\u4f60\u7684\u7cfb\u7edf\u80fd\u6297\u4f4f\u66f4\u9ad8\u7684\u5e76\u53d1\u91cf\uff0c\u540c\u65f6\u51cf\u5c11\u4e00\u4e9b\u201c\u83ab\u540d\u5176\u5999\u201d\u7684\u4e2d\u65ad\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u7edc\u4f18\u5316\uff1a\u8de8\u5883\u8bbf\u95ee\u7684\u5173\u952e<\/h2>\n\n\n\n<p>\u65e5\u672c\u670d\u52a1\u5668\u5927\u591a\u9762\u5bf9\u8de8\u5883\u8bbf\u95ee\uff0c\u7f51\u7edc\u6808\u7684\u4f18\u5316\u80fd\u7acb\u7aff\u89c1\u5f71\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u542f\u7528BBR<\/strong>\uff1aBBR\u62e5\u585e\u63a7\u5236\u7b97\u6cd5\u7279\u522b\u9002\u5408\u9ad8\u5ef6\u8fdf\u3001\u9ad8\u4e22\u5305\u573a\u666f\uff0c\u7528\u8fc7\u4e4b\u540e\u4f60\u4f1a\u53d1\u73b0\u8de8\u5883\u8bbf\u95ee\u901f\u5ea6\u660e\u663e\u63d0\u5347\u3002<\/li>\n\n\n\n<li><strong>TCP Fast Open (TFO)<\/strong>\uff1a\u51cf\u5c11\u63e1\u624b\u5ef6\u8fdf\uff0c\u5c24\u5176\u5bf9\u79fb\u52a8\u7aef\u548c\u9891\u7e41\u77ed\u8fde\u63a5\u7684\u7f51\u7ad9\u6548\u679c\u660e\u663e\u3002<\/li>\n\n\n\n<li><strong>HTTP\/3\uff08QUIC\uff09<\/strong>\uff1a\u5347\u7ea7nginx\u5230\u652f\u6301\u7248\u672c\uff0c\u5f00\u542fTLS1.3+HTTP\/3\uff0c\u5728\u5f31\u7f51\u73af\u5883\u4e0b\u80fd\u4fdd\u6301\u66f4\u7a33\u7684\u4f53\u9a8c\u3002<\/li>\n\n\n\n<li><strong>\u5185\u6838\u53c2\u6570\u8c03\u4f18<\/strong>\uff1a\u5982<code>somaxconn<\/code>\u3001<code>tcp_tw_reuse<\/code>\u7b49\uff0c\u90fd\u8981\u6839\u636e\u538b\u6d4b\u6570\u636e\u5408\u7406\u8c03\u6574\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6211\u4eec\u505a\u8fc7\u5bf9\u6bd4\uff0c\u5f00\u542fBBR+HTTP\/3\u540e\uff0c\u4e1c\u5357\u4e9a\u8bbf\u5ba2\u7684\u9996\u5c4f\u52a0\u8f7d\u65f6\u95f4\u7f29\u77ed\u4e86\u8fd130%\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u636e\u5e93\u914d\u7f6e\uff1a\u6162\u67e5\u8be2\u624d\u662f\u6740\u624b<\/h2>\n\n\n\n<p>\u6570\u636e\u5e93\u5f80\u5f80\u662f\u74f6\u9888\u6240\u5728\u3002\u4e70\u4e86\u597d\u670d\u52a1\u5668\uff0c\u4e0d\u4ee3\u8868\u6570\u636e\u5e93\u5c31\u81ea\u52a8\u9ad8\u6548\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>MySQL\u4f18\u5316<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8bbe\u7f6e\u5408\u9002\u7684<code>innodb_buffer_pool_size<\/code>\uff08\u4e00\u822c\u5360\u5185\u5b58\u768450%-70%\uff09\u3002<\/li>\n\n\n\n<li>\u5173\u952e\u53c2\u6570\u5982<code>innodb_flush_log_at_trx_commit=1<\/code>\u548c<code>sync_binlog=1<\/code>\u4fdd\u8bc1\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li>\u5f00\u542f\u6162\u67e5\u8be2\u65e5\u5fd7(<code>slow_query_log=1<\/code>)\uff0c\u5feb\u901f\u53d1\u73b0\u62d6\u6162\u6027\u80fd\u7684SQL\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>PostgreSQL\u4f18\u5316<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u8c03\u6574<code>shared_buffers<\/code>\u548c<code>work_mem<\/code>\uff0c\u4f46\u4e0d\u8981\u8d2a\u5927\uff0c\u5426\u5219\u5bb9\u6613OOM\u3002<\/li>\n\n\n\n<li>\u501f\u52a9\u6267\u884c\u8ba1\u5212\u5206\u6790\u5de5\u5177\uff0c\u5b9a\u4f4d\u4f4e\u6548\u7684\u67e5\u8be2\u8bed\u53e5\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\ud83d\udccc \u5b9e\u8df5\u4e0b\u6765\uff0c\u4f60\u4f1a\u53d1\u73b0\uff1a\u6570\u636e\u5e93\u8c03\u4f18\u9760\u7684\u662f\u201c\u627e\u6162SQL+\u8c03\u7d22\u5f15\u201d\uff0c\u800c\u4e0d\u662f\u4e00\u5473\u5806\u53c2\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b89\u5168\u52a0\u56fa\uff1a\u522b\u8ba9\u4f18\u5316\u767d\u8d39<\/h2>\n\n\n\n<p>\u518d\u5feb\u7684\u670d\u52a1\u5668\uff0c\u5982\u679c\u88ab\u5165\u4fb5\u6216\u7206\u7834\uff0c\u4e5f\u662f\u4e00\u591c\u56de\u5230\u89e3\u653e\u524d\u3002<a href=\"https:\/\/cn.hostease.com\/jpserver.html\">\u65e5\u672c\u670d\u52a1\u5668\u8d2d\u4e70<\/a>\u540e\uff0c\u5b89\u5168\u52a0\u56fa\u8981\u7acb\u523b\u505a\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SSH\u52a0\u56fa<\/strong>\uff1a\u7981\u7528root\u76f4\u767b\uff0c\u53ea\u5141\u8bb8\u5bc6\u94a5\u8ba4\u8bc1\uff0c\u51cf\u5c11\u88ab\u66b4\u529b\u7834\u89e3\u7684\u53ef\u80fd\u3002<\/li>\n\n\n\n<li><strong>\u9632\u706b\u5899UFW<\/strong>\uff1a\u9ed8\u8ba4\u62d2\u7edd\u6240\u6709\u5165\u7ad9\u6d41\u91cf\uff0c\u4ec5\u653e\u884c22\u300180\u3001443\u7b49\u5fc5\u8981\u7aef\u53e3\u3002<\/li>\n\n\n\n<li><strong>Fail2ban<\/strong>\uff1a\u76d1\u63a7\u65e5\u5fd7\uff0c\u81ea\u52a8\u5c01\u7981\u591a\u6b21\u5931\u8d25\u767b\u5f55\u7684IP\u3002<\/li>\n\n\n\n<li><strong>\u81ea\u52a8\u66f4\u65b0<\/strong>\uff1a\u5173\u952e\u5b89\u5168\u8865\u4e01\u5fc5\u987b\u7b2c\u4e00\u65f6\u95f4\u6253\u4e0a\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u6837\u505a\u7684\u610f\u4e49\u5728\u4e8e\uff0c\u628a\u201c\u51fa\u4e8b\u7684\u6982\u7387\u201d\u964d\u5230\u6700\u4f4e\uff0c\u8ba9\u4f60\u540e\u7eed\u7684\u4f18\u5316\u6210\u679c\u80fd\u7a33\u7a33\u843d\u5730\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f18\u5316\u6e05\u5355\uff08\u5bf9\u7167\u6267\u884c\uff09<\/h2>\n\n\n\n<p>\u5982\u679c\u4f60\u60f3\u5feb\u901f\u4e0a\u624b\uff0c\u53ef\u4ee5\u6309\u8fd9\u4e2a\u6e05\u5355\u9010\u9879\u68c0\u67e5\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7c7b\u522b<\/th><th>\u64cd\u4f5c<\/th><th>\u9a8c\u8bc1\u65b9\u5f0f<\/th><\/tr><\/thead><tbody><tr><td>\u7cfb\u7edf<\/td><td>\u65f6\u533a\/\u81ea\u52a8\u66f4\u65b0\/\u6587\u4ef6\u53e5\u67c4<\/td><td><code>timedatectl status<\/code>\u3001<code>unattended-upgrades --dry-run<\/code><\/td><\/tr><tr><td>\u7f51\u7edc<\/td><td>BBR\/TFO\/HTTP3<\/td><td><code>sysctl net.ipv4.tcp_congestion_control<\/code>\u3001<code>curl -I --http3<\/code><\/td><\/tr><tr><td>\u6570\u636e\u5e93<\/td><td>\u6162\u67e5\u8be2\/\u7f13\u51b2\u6c60<\/td><td>\u68c0\u67e5\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c<code>SHOW ENGINE INNODB STATUS<\/code><\/td><\/tr><tr><td>\u5b89\u5168<\/td><td>SSH\/UFW\/Fail2ban<\/td><td>\u767b\u5f55\u6d4b\u8bd5\u3001\u9632\u706b\u5899\u72b6\u6001\u3001\u5c01\u7981\u65e5\u5fd7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1FAQ<\/h2>\n\n\n\n<p><strong>Q: \u65e5\u672c\u670d\u52a1\u5668\u4e70\u56de\u6765\uff0c\u8981\u4e0d\u8981\u7b2c\u4e00\u65f6\u95f4\u542f\u7528BBR\uff1f<\/strong><br>A: \u8981\u3002\u542f\u7528\u540e\u8de8\u5883\u8bbf\u95ee\u901f\u5ea6\u4f1a\u660e\u663e\u63d0\u5347\uff0c\u800c\u4e14\u98ce\u9669\u5f88\u4f4e\u3002<\/p>\n\n\n\n<p><strong>Q: HTTP\/3\u662f\u4e0d\u662f\u4e00\u5b9a\u6bd4HTTP\/2\u5feb\uff1f<\/strong><br>A: \u4e0d\u4e00\u5b9a\uff0c\u5177\u4f53\u6548\u679c\u8981\u770b\u7f51\u7edc\u73af\u5883\u3002\u4f46\u5728\u5f31\u7f51\u6216\u9ad8\u5ef6\u8fdf\u573a\u666f\uff0cHTTP\/3\u66f4\u7a33\u3002<\/p>\n\n\n\n<p><strong>Q: MySQL\u7684<code>sync_binlog<\/code>\u8981\u4e0d\u8981\u8bbe\u62101\uff1f<\/strong><br>A: \u5982\u679c\u4f60\u7684\u7ad9\u70b9\u6d89\u53ca\u8ba2\u5355\u6216\u91d1\u878d\u4ea4\u6613\uff0c\u5efa\u8bae\u8bbe\u62101\u4fdd\u8bc1\u4e00\u81f4\u6027\u3002\u666e\u901a\u5185\u5bb9\u7ad9\u53ef\u4ee5\u9002\u5ea6\u653e\u5bbd\u3002<\/p>\n\n\n\n<p><strong>Q: UFW\u548cFail2ban\u80fd\u4e00\u8d77\u7528\u5417\uff1f<\/strong><br>A: \u5b8c\u5168\u53ef\u4ee5\u3002UFW\u505a\u57fa\u7840\u7b56\u7565\uff0cFail2ban\u8d1f\u8d23\u52a8\u6001\u62e6\u622a\uff0c\u914d\u5408\u6548\u679c\u66f4\u597d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5199\u5728\u6700\u540e<\/h2>\n\n\n\n<p>\u4e70<a href=\"https:\/\/cn.hostease.com\/jpserver.html\">\u65e5\u672c\u670d\u52a1\u5668<\/a>\u53ea\u662f\u7b2c\u4e00\u6b65\uff0c\u771f\u6b63\u80fd\u8ba9\u7f51\u7ad9\u8dd1\u5f97\u7a33\u3001\u8dd1\u5f97\u5feb\u7684\uff0c\u662f<strong>\u8d2d\u4e70\u540e\u7684\u4f18\u5316\u4e0e\u8fd0\u7ef4<\/strong>\u3002<br>\u6211\u7684\u5efa\u8bae\u662f\uff1a\u5148\u628a\u7cfb\u7edf\u3001\u7f51\u7edc\u3001\u6570\u636e\u5e93\u548c\u5b89\u5168\u7684\u57fa\u7ebf\u4f18\u5316\u505a\u597d\uff0c\u518d\u6839\u636e\u4e1a\u52a1\u573a\u666f\u505a\u9488\u5bf9\u6027\u8c03\u6574\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4f60\u4e5f\u5728\u7528\u65e5\u672c\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u6587\u4e2d\u7684\u65b9\u6cd5\uff0c\u770b\u770b\u8bbf\u95ee\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\u6709\u6ca1\u6709\u63d0\u5347\u3002\u6b22\u8fce\u4f60\u5728\u8bc4\u8bba\u533a\u5206\u4eab\u7ecf\u9a8c\uff0c\u6216\u8005\u70b9\u8d5e\u8f6c\u53d1\uff0c\u8ba9\u66f4\u591a\u4eba\u5c11\u8e29\u5751\u3001\u5c11\u8d70\u5f2f\u8def\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65e5\u672c\u670d\u52a1\u5668\u4e70\u56de\u53bb\uff0c\u6027\u80fd\u4f18\u5316\u624d\u521a\u5f00\u59cb\u3002\u7ed3\u5408\u6211\u4eec\u4e3ademo.com\u8fd0\u7ef4\u7684\u5b9e\u6218\uff0c\u603b\u7ed3\u7cfb\u7edf\u8bbe\u7f6e\u3001\u7f51\u7edc\u3001\u6570\u636e\u5e93\u4e0e\u5b89\u5168\u52a0\u56fa\u7684\u843d\u5730\u505a\u6cd5\uff0c\u5e2e\u52a9\u4f60\u5feb\u901f\u63d0\u5347\u7a33\u5b9a\u6027\u4e0e\u8bbf\u95ee\u4f53\u9a8c\u3002<\/p>\n","protected":false},"author":2,"featured_media":25492,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[398],"tags":[3405,683,206,565,2623],"class_list":["post-25491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dedicated-server","tag-3405","tag-683","tag-206","tag-565","tag-2623"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2025\/09\/optimize-japan-server-performance-system-network-database-security.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/25491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=25491"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/25491\/revisions"}],"predecessor-version":[{"id":25493,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/25491\/revisions\/25493"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/25492"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=25491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=25491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=25491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}