{"id":6896,"date":"2017-08-14T17:18:53","date_gmt":"2017-08-14T09:18:53","guid":{"rendered":"http:\/\/rmohan.com\/?p=6896"},"modified":"2017-08-14T17:18:53","modified_gmt":"2017-08-14T09:18:53","slug":"nginx-server-10000-concurrent-optimization-test-ab-test-tool","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=6896","title":{"rendered":"Nginx server 10000 concurrent optimization test (ab test tool)"},"content":{"rendered":"

1.nginx monitoring module<\/strong><\/p>\n

1) Compile nginx with the parameter –with-http_stub_status_module<\/p>\n

#\/usr\/local\/nginx\/sbin\/nginx -V\r\n.\/configure --user=www --group=www --prefix=\/usr\/local\/nginx --with-http_stub_status_module --with-http_ssl_mo\r\n\r\n<\/span><\/span><\/span><\/span><\/span><\/pre>\n
.\/configure --prefix=\/usr\/local\r\n    --user=nginx \r\n    --group=nginx\r\n    --with-http_ssl_module\r\n    --with-http_realip_module\r\n    --http-client-body-temp-path=\/usr\/local\/var\/tmp\/nginx\/client \r\n    --http-proxy-temp-path=\/usr\/local\/var\/tmp\/nginx\/proxy \r\n    --http-fastcgi-temp-path=\/usr\/local\/var\/tmp\/nginx\/fcgi \r\n    --http-scgi-temp-path=\/usr\/local\/var\/tmp\/nginx\/scgi \r\n    --http-uwsgi-temp-path=\/usr\/local\/var\/tmp\/nginx\/uwsgi \r\n    --with-http_geoip_module \r\n    --with-http_stub_status_module<\/span><\/span><\/pre>\n
2)\u00a0Modify the nginx configuration file and add the monitoring status configuration<\/p>\n
Add the following code to the server block of nginx.conf<\/p>\n
location \/nginx_status {\r\n    # Turn on nginx stats\r\n    stub_status on;\r\n    # I do not need logs for stats\r\n    access_log   off;\r\n    # Security: Only allow access from 192.168.1.100 IP #\r\n    #allow 192.168.1.100;\r\n    # Send rest of the world to \/dev\/null #\r\n    #deny all;\r\n}<\/span><\/span><\/span><\/pre>\n
xplanation:\r\n   Active connections: The number of active connections initiated by the backend. \r\n  Server accepted handling requests: Nginx handled a total of 655 connections, successfully created 655 times handshake (proved no failure in the middle), handled a total of 1985 requests. \r\n  Reading: Nginx Number of Header messages read to the client. \r\n  Writing: Nginx Number of Header messages returned to the client. \r\n  Waiting: In the case of keep-alive, this value is equal to active - (reading + writing), meaning that Nginx <\/span><\/span><\/span><\/pre>\n
\u00a0<\/span><\/span><\/span><\/span><\/span><\/pre>\n
\/usr\/local\/nginx\/sbin\/nginx -t  \r\n\/usr\/local\/nginx\/sbin\/nginx -s reload\r\n<\/span><\/span><\/span><\/span><\/span><\/pre>\n
 2. Set the maximum number of connections (50000) \/ tcp speed up the recovery of the number of conn<\/strong><\/pre>\n
\r\n\r\n<\/span><\/span><\/span><\/span><\/span><\/pre>\n
echo 50000 > \/proc\/sys\/net\/core\/somaxconn<\/p>\n
echo 1 > \/proc\/sys\/net\/ipv4\/tcp_tw\/recycle
\necho 1 > \/proc\/sys\/net\/ipv4\/tcp_tw_reuse
\necho 0 > \/proc\/sys\/net\/ipv4\/tcp_syncookies<\/p>\n
 <\/p>\n
3. set to open more files<\/strong><\/pre>\n
ulimit -n 50000<\/p>\n
vim \/etc\/nginx\/nginx.conf
\nworker_rlimit_nofile 10000;
\nevents{<\/p>\n
worker_connections 10240;
\n}<\/p>\n
\/usr\/sbin\/nginx -t
\n\/usr\/sbin\/nginx -s reload<\/p>\n
 <\/p>\n
 <\/p>\n
4.ab -c 5000 -n 100000 http:\/\/192.168.1.129\/index.html <\/strong><\/pre>\n
erver Software: nginx\/1.4.6
\nServer Hostname: 192.168.63.129
\nServer Port: 80<\/p>\n
Document Path: \/index.html
\nDocument Length: 65 bytes<\/p>\n
Concurrency Level: 5000
\nTime taken for tests: 46.416 seconds
\nComplete requests: 100000
\nFailed requests: 90202
\n(Connect: 0, Receive: 0, Length: 90202, Exceptions: 0)
\nWrite errors: 0
\nNon-2xx responses: 90282
\nTotal transferred: 36624606 bytes
\nHTML transferred: 18815922 bytes
\nRequests per second: 2154.42 [#\/sec] (mean)
\nTime per request: 2320.813 [ms] (mean)
\nTime per request: 0.464 [ms] (mean, across all concurrent requests)
\nTransfer rate: 770.55 [Kbytes\/sec] received<\/p>\n
Connection Times (ms)
\nmin mean[+\/-sd] median max
\nConnect: 18 1251 2273.8 824 31950
\nProcessing: 298 839 299.1 855 6307
\nWaiting: 1 648 298.8 651 6194
\nTotal: 408 2090 2323.2 1697 36083<\/p>\n
Percentage of the requests served within a certain time (ms)
\n50% 1697
\n66% 1758
\n75% 1802
\n80% 1843
\n90% 2583
\n95% 4601
\n98% 8399
\n99% 8807
\n100% 36083 (longest request)<\/p>\n
\u00a0<\/span><\/span><\/span><\/span><\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"
1.nginx monitoring module<\/p>\n
1) Compile nginx with the parameter –with-http_stub_status_module<\/p>\n
 #\/usr\/local\/nginx\/sbin\/nginx -V .\/configure –user=www –group=www –prefix=\/usr\/local\/nginx –with-http_stub_status_module –with-http_ssl_mo .\/configure –prefix=\/usr\/local –user=nginx –group=nginx –with-http_ssl_module –with-http_realip_module –http-client-body-temp-path=\/usr\/local\/var\/tmp\/nginx\/client –http-proxy-temp-path=\/usr\/local\/var\/tmp\/nginx\/proxy –http-fastcgi-temp-path=\/usr\/local\/var\/tmp\/nginx\/fcgi –http-scgi-temp-path=\/usr\/local\/var\/tmp\/nginx\/scgi –http-uwsgi-temp-path=\/usr\/local\/var\/tmp\/nginx\/uwsgi –with-http_geoip_module –with-http_stub_status_module <\/p>\n
2) Modify the nginx configuration file and add the monitoring status configuration<\/p>\n
Add the following code to the server block of nginx.conf<\/p>\n
 location \/nginx_status […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[70],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6896"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6896"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6896\/revisions"}],"predecessor-version":[{"id":6897,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/6896\/revisions\/6897"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}