{"id":27,"date":"2018-07-04T11:46:11","date_gmt":"2018-07-04T03:46:11","guid":{"rendered":"http:\/\/robot.tanxiaodian.com\/?p=27"},"modified":"2018-09-06T20:48:31","modified_gmt":"2018-09-06T12:48:31","slug":"nginx%e6%9c%8d%e5%8a%a1%e5%99%a8%e4%b8%8a%e7%ba%bf%e7%9b%b8%e5%85%b3%e9%85%8d%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/log.tanxiaodian.com\/?p=27","title":{"rendered":"Nginx\u670d\u52a1\u5668\u4e0a\u7ebf\u76f8\u5173\u914d\u7f6e"},"content":{"rendered":"<p>1\u3001vi \/etc\/sysctl.conf<\/p>\n<p>net.ipv6.conf.all.disable_ipv6 = 1<br \/>\nnet.ipv6.conf.default.disable_ipv6 = 1<br \/>\nnet.ipv6.conf.lo.disable_ipv6 = 1<\/p>\n<p>vm.swappiness = 0<br \/>\nnet.ipv4.neigh.default.gc_stale_time=120<\/p>\n<p># see details in https:\/\/help.aliyun.com\/knowledge_detail\/39428.html<br \/>\nnet.ipv4.conf.all.rp_filter=0<br \/>\nnet.ipv4.conf.default.rp_filter=0<br \/>\nnet.ipv4.conf.default.arp_announce = 2<br \/>\nnet.ipv4.conf.lo.arp_announce=2<br \/>\nnet.ipv4.conf.all.arp_announce=2<\/p>\n<p># # see details in https:\/\/help.aliyun.com\/knowledge_detail\/41334.html<br \/>\nnet.ipv4.tcp_max_tw_buckets = 5000<br \/>\nnet.ipv4.tcp_syncookies = 1<br \/>\nnet.ipv4.tcp_max_syn_backlog = 1024<br \/>\nnet.ipv4.tcp_synack_retries = 2<br \/>\nnet.core.somaxconn = 1024<\/p>\n<p>2\u3001\u914d\u7f6e\u7cfb\u7edf\u6700\u5927\u6587\u4ef6\u6253\u5f00\u6570<\/p>\n<p>\u7f16\u8f91\u6587\u4ef6\/etc\/security\/limits.conf<\/p>\n<p>* soft nofile 65535<br \/>\n* hard nofile 65535<\/p>\n<p>3\u3001\u91cd\u542flinux\u7cfb\u7edf shutdown -r\u00a0 (\u9700\u8981\u624b\u52a8\u542f\u52a8nginx\u548cphp-fpm)<\/p>\n<p>4\u3001\u67e5\u770b\u7cfb\u7edf\u6700\u5927\u6587\u4ef6\u6253\u5f00\u6570ulimit -n<\/p>\n<p>5\u3001\u67e5\u770bss -lnt\u94fe\u63a5\u8bbe\u7f6e<\/p>\n<p>6\u3001\u67e5\u770b80\u7aef\u53e3\u94fe\u63a5\u6570\u00a0 netstat -tn | grep 80 | wc -l<\/p>\n<p>7\u3001nginx.conf\u00a0 http\u4e0b \u53c2\u6570sendfile \u8bbe\u7f6e\u4e3a on<\/p>\n<p>\u8868\u793a\u542f\u52a8\u9ad8\u6548\u4f20\u8f93\u6587\u4ef6\u7684\u6a21\u5f0f\u3002sendfile\u53ef\u4ee5\u8ba9Nginx\u5728\u4f20\u8f93\u6587\u4ef6\u65f6\u76f4\u63a5\u5728\u78c1\u76d8\u548ctcp socket\u4e4b\u95f4\u4f20\u8f93\u6570\u636e\u3002\u5982\u679c\u8fd9\u4e2a\u53c2\u6570\u4e0d\u5f00\u542f\uff0c\u4f1a\u5148\u5728\u7528\u6237\u7a7a\u95f4\uff08Nginx\u8fdb\u7a0b\u7a7a\u95f4\uff09\u7533\u8bf7\u4e00\u4e2abuffer\uff0c\u7528read\u51fd\u6570\u628a\u6570\u636e\u4ece\u78c1\u76d8\u8bfb\u5230cache\uff0c\u518d\u4ececache\u8bfb\u53d6\u5230\u7528\u6237\u7a7a\u95f4\u7684buffer\uff0c\u518d\u7528write\u51fd\u6570\u628a\u6570\u636e\u4ece\u7528\u6237\u7a7a\u95f4\u7684buffer\u5199\u5165\u5230\u5185\u6838\u7684buffer\uff0c\u6700\u540e\u5230tcp socket\u3002\u5f00\u542f\u8fd9\u4e2a\u53c2\u6570\u540e\u53ef\u4ee5\u8ba9\u6570\u636e\u4e0d\u7528\u7ecf\u8fc7\u7528\u6237buffer\u3002<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001vi \/etc\/sysctl.conf net&#8230;<\/p>\n<div class=\"more-link-wrapper\"><a class=\"more-link\" href=\"https:\/\/log.tanxiaodian.com\/?p=27\">Continue reading<span class=\"screen-reader-text\">Nginx\u670d\u52a1\u5668\u4e0a\u7ebf\u76f8\u5173\u914d\u7f6e<\/span><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts\/27"}],"collection":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=27"}],"version-history":[{"count":3,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts\/27\/revisions"}],"predecessor-version":[{"id":63,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=\/wp\/v2\/posts\/27\/revisions\/63"}],"wp:attachment":[{"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/log.tanxiaodian.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}