{"id":1310,"date":"2023-08-25T14:04:29","date_gmt":"2023-08-25T06:04:29","guid":{"rendered":"https:\/\/www.shuran.cn\/?p=1310"},"modified":"2023-08-25T14:04:29","modified_gmt":"2023-08-25T06:04:29","slug":"linux%e4%b8%8b%e9%ab%98%e5%b9%b6%e5%8f%91socket%e8%bf%9e%e6%8e%a5%e7%9a%84%e4%bc%98%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.shuran.cn\/?p=1310","title":{"rendered":"Linux\u4e0b\u9ad8\u5e76\u53d1Socket\u8fde\u63a5\u7684\u4f18\u5316"},"content":{"rendered":"\n<p>1\u3001\u6253\u5f00\u6587\u4ef6\u4f18\u5316<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u5bf9\u5f53\u524dshell <\/p>\n\n\n\n<p class=\"has-small-font-size\">ulimit -n 102400 <br \/>echo \u201culimit -n 102400\u2033 >> ~\/.bashrc<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u9488\u5bf9\u6240\u6709\u7528\u6237 sudo vim \/etc\/security\/limits.conf <\/p>\n\n\n\n<p class=\"has-small-font-size\">* soft nofile 102400 <br \/>* hard nofile 102400<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u9488\u5bf9\u7cfb\u7edf cat \/proc\/sys\/fs\/file-max echo 1024000 > \/proc\/sys\/fs\/file-max<\/p>\n\n\n\n<p>2\u3001\u4fee\u6539\u7f51\u7edc\u5185\u6838\u5bf9TCP\u7684\u9650\u5236<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u4fee\u6539\u5185\u6838\u7f51\u7edc\u53c2\u6570 sudo vim \/etc\/sysctl.conf <\/p>\n\n\n\n<p class=\"has-small-font-size\">net.ipv4.ip_local_port_range = 1024 65000 <br \/>net.ipv4.ip_conntrack_max = 10240 <\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u751f\u6548 sudo sysctl -p<\/p>\n\n\n\n<p>3\u3001\u4e24\u4e2a\u56de\u6536 <\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u4fee\u6539\u5185\u6838\u7f51\u7edc\u53c2\u6570 sudo vim \/etc\/sysctl.conf <\/p>\n\n\n\n<p class=\"has-small-font-size\">net.ipv4.tcp_tw_reuse = 1 <br \/>net.ipv4.tcp_tw_recycle = 1 <\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u751f\u6548 sudo sysctl -p<\/p>\n\n\n\n<p>4\u3001\u5185\u6838\u4f18\u5316<\/p>\n\n\n\n<p class=\"has-small-font-size\">net.ipv4.tcp_max_syn_backlog\u5185\u6838\u53c2\u6570\u51b3\u5b9a\u4e86SYN_RECV\u72b6\u6001\u961f\u5217\u7684\u6570\u91cf\uff0c\u4e00\u822c\u9ed8\u8ba4\u503c\u4e3a512\u6216\u80051024\uff0c\u5373\u8d85\u8fc7\u8fd9\u4e2a\u6570\u91cf\uff0c\u7cfb\u7edf\u5c06\u4e0d\u518d\u63a5\u53d7\u65b0\u7684TCP\u8fde\u63a5\u8bf7\u6c42\uff0c\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u9632\u6b62\u7cfb\u7edf\u8d44\u6e90\u8017\u5c3d\u3002\u53ef\u6839\u636e\u60c5\u51b5\u589e\u52a0\u8be5\u503c\u4ee5\u63a5\u53d7\u66f4\u591a\u7684\u8fde\u63a5\u8bf7\u6c42\u3002<br \/>\u901a\u5e38\u6240\u8bf4\u7684tcp\u652f\u6301\u7684\u961f\u5217\u6570\uff0ctcp \u8fde\u63a5\u8d85\u8fc7\u8fd9\u4e2a\u961f\u5217\u957f\u5ea6\uff0c\u5c31\u4e0d\u5141\u8bb8\u8fde\u63a5\u3002<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u67e5\u770b\uff1acat \/proc\/sys\/net\/ipv4\/tcp_max_syn_backlog<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u4fee\u6539\uff1asudo vim \/etc\/sysctl.conf<\/p>\n\n\n\n<p class=\"has-small-font-size\">net.ipv4.tcp_max_syn_backlog = 2048<\/p>\n\n\n\n<p class=\"has-small-font-size\">#\u751f\u6548 sudo sysctl -p<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001\u6253\u5f00\u6587\u4ef6\u4f18\u5316 #\u5bf9\u5f53\u524dshell ulimit -n 102400 echo \u201culimit -n 102\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.shuran.cn\/?p=1310\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-1310","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/1310","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1310"}],"version-history":[{"count":1,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/1310\/revisions"}],"predecessor-version":[{"id":1311,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=\/wp\/v2\/posts\/1310\/revisions\/1311"}],"wp:attachment":[{"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuran.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}