haproxy vs nginx

strengthened my previous discussions with old boys about the well-designed architecture of the Website: nginx/haproxy + keepalived as the front-end Server Load balancer of the web, the backend MySQL database architecture adopts the One-master-multiple-slave, read/write splitting mode, and The LVS + keepalived mode.Here, I also want to declare that many of my friends are worried about the stability of softw

How to install Apache,mysql,php,nginx,haproxy on Ubuntu and how to install lamp on DockerTo install lamp on Ubuntu:Https://help.ubuntu.com/community/ApacheMySQLPHPHttps://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntuhttp://www.maketecheasier.com/setting-up-a-lamp-server-in-ubuntu-hardy-heron/Https://www.howtoforge.com/ubuntu-lamp-server-with-apache2-php5

Because the company needs to be on-line HTTPS, so for HTTPS need to do stress testing, using the same encryption strength of the certificate, respectively, Haproxy and nginx to do stress testing, and then CPU usage comparison:The following are 1000 request stress tests for the same URL and background server:First time Haproxy 1000 times HTTPS pressure test650) th

network services for the moment there is no need to use.Another way to load balance is through the software: more common with LVs, Nginx, Haproxy, etc., where LVS is built on the four layer protocol above, and the other Nginx and Haproxy is based on the seven layer protocol, the following respectively aboutLVS: Achiev

$remote _addr;Proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for;}}After configuration restart Nginx can browser input 192.168.1.121And then refresh the page and distribute it to different ips.650) this.width=650; "src=" http://s1.51cto.com/wyfs02/M01/87/33/wKiom1fXZxaRPZYIAABOe_lDfzQ138.png "style=" float: none; "title=" 1.png "alt=" wkiom1fxzxarpzyiaaboe_ldfzq138.png "/>650) this.width=650; "src=" http://s4.51cto.com/wyfs02/M00/87/30/wKio

: This article mainly introduces the summary of the lvs, nginx, and haproxy transit modes. if you are interested in the PHP Tutorial, refer to it. Lvs, nginx, and haproxy are the three most common high-availability load balancing software. Since lvs and haproxy are not used

Haproxy is a free and open code software written in C that provides high availability, load balancing, and TCP and HTTP-based application proxies that can run on most major Linux operating systems.This experiment with three servers, one server installation haproxy implementation scheduling, another two servers to build Nginx to provide Web services, a client test

Comparison and summary of Linux Server LVS, Nginx, and HAProxy load balancers LVS features: 1. Strong anti-load capability. IP Server Load balancer technology is used only for distribution. Therefore, LVS does not generate much traffic; 2. good stability and reliability, and perfect Hot Standby solution (for example, LVS + Keepalived) 3. A wide range of applications, allowing Load Balancing for all applicat

: none; "title=" 2.PNG "alt=" Wkiol1biv97i47hwaaa-rcshikk605.png "/>Realize the effect of polling**haproxy Load Balancing tomcat** [[emailprotected]haproxy]#sed ' [Emailprotected]^#.*\+\|^[[:space:]]\+#.*\[email protected]@ ' haproxy.cfggloballog 127.0.0.1local2chroot/var/lib/haproxy pidfile/var/run/haproxy.pid maxconn4000user haproxygrouphaproxy dae

Issue background:Before our company due to DDoS attacks caused by network exports, after understanding, traffic into the Amazon is no money, and unlimited traffic, in order to strengthen the protection of network attacks on the business impact, in the Amazon to deploy a set of Haproxy agent, the part of the business migration trial.650) this.width=650; "Src=" Http://s4.51cto.com/wyfs02/M01/83/1F/wKioL1drZeyxEL5mAAA1K9OBwBc668.png-wh_500x0-wm_3 -wmp_4-

-group:root-mode:644- template:jinja{%ifgrains[' id ']== ' Jenkins.saltstack.me ' %}ROUTEID:haproxy_ha STATEID:MASTERPRIORITYID:150 {%elifgrains[' id ']== ' gitlab.saltstack.me ' %} routeid:hapRoxy_hastateid:backuppriorityid: 100{%endif%}service.running: -name:keepalived-enable:True -watch:-file:keepalived-server2.4. Perform keepalived status[[emailprotected]base]#cat/srv/salt/base/top.slsbase: ' * ': -init.env_initprod: ' * ':- cluster.haproxy-outside-cluster.haproxy-outside-keepalived2.5. Las

Haproxy The main function is load balancing, load balancing algorithm support a lot, support health check, support various sessions to maintain the way, support remote information acquisition and so on. The haproxy itself is a load-balanced software. But haproxy on the scale is very poor, adding new features is very laborious, for the expanding new business,

algorithm: Round-robin (round robin), Weight-round-robin (with weighted round), Ip-hash (Ip hash)10, Nginx can also do the Web server is the cache function.Features of Haproxy:1, support two kinds of proxy mode: TCP (four layer) and HTTP (seven layer), support virtual host;2, can add some of the shortcomings of Nginx such as the session of the maintenance, cooki

Turn from the cubic cube net: http://www.it165.net/admin/html/201405/2957.html Another: Ha-proxy+nginx implementation of Web load Balancing (Haproxy article) http://www.it165.net/admin/html/201405/3171.html Components and the functionality of the implementation Keepalived: Realize the high availability of the Haproxy service, and use the dual-main model configur

1) Modify the Haproxy configuration file and add the following parameters:Option Httpcloseoption forwardfor2) Modify the Nginx configuration file, add the following parameters Note: You need to compile the module--with-http_realip_module#haproxy服务器IPset_real_ip_from 192.168.64.128;real_ip_header x-forwarded-for;real_ip_recursive on;3) Restart

";if(args.length>0) {user = args[0]; /* Use theArg as the name toGreetifProvided */} for(int i =0; I -; i + +) {client.greet (user); }} finally {Client.shutdown (); } 5, can not use Nginx for GRPC agent Although Nginx has supported the HTTP2, it cannot adapt to nginx load balancing.This place is very strange.Proxy_pass mainly in the time of the age

.roundrobin: Polling, alternately assigning to backend servers;2.STATIC-RR: Based on backend server performance allocation;3.leastconn: Minimum connector priority;4.source: According to the request source IP, similar to Nginx Ip_hash.Why solve session sessions?In a load-balanced environment, each user may have an irregular access back-end server, in some cases, it is necessary to require the same user access in a certain time all requests are assigned

Set_real_ip_from 172.16.100.120;The IP address of the #haproxy set_real_ip_from 172.16.100.110;The IP address of the #haproxy Real_ip_header x-forwarded-for; Log_format Main ' $remote _addr-$remote _user [$time _local] "$request" ' $status $body _bytes_se NT "$http _referer" "$http _user_agent" "$http _x_forwarded_for";Nginx configuration File Settings aboveThe b

Compare mainstream Server Load balancer instances, such as lvs, f5, nginx, and haproxy! -- Linux Enterprise Application-Linux server application information. For details, refer to the following section. Today, most websites use Server Load balancer and reverse proxy software, which usually does not allow the web to directly provide external services. First, From the security perspective Second, service rel

the URL detection; 3. Anti-high concurrency, using Epoll network model to deal with customer requests; 4. Only support HTTP and email, the application scope is relatively few; 5.nginx is mainly HTTP and reverse proxy server, low system resource consumption. Commonly used four kinds of algorithms: 1.RR: (default) polling, rotate to the back-end server; 2.weight: According to the backend server performance allocation; 3.ip_hash: Each request is alloc