configuration file is divided into six main areas:Main (Global Settings), events (nginx working mode), HTTP (HTTP settings),Sever (Host settings), location (URL match), Upstream (Load balancer server settings). Main module
Below a main area, he is a global setting:
User nobody nobody; Worker_processes 2; Error_log/usr/local/var/log/nginx/error.log notice; Pid/us
Nginx configuration file:nginx安装目录/conf/nginx.confReload the configuration file./nginx -s reloadConfiguring a virtual HostOne server is a single virtual host server { listen 80;//监听端口 server_name localhost;//域名 location / { root html; index index.html index.htm; } }Reverse Proxy and load balancingupstrea
Add the following to the Nginx configuration file "/etc/nginx/nginx.conf" http node:such as domain name: admin.wxh.com load to two servershttp{//... Omit this line above other configuration content upstreamadmin.wxh.com{ server10.0.0.11:9000weight=1;server 10.0.0.11:8000weight=3;}server{ listen80; server_nameadmin.wxh.com;location/ {proxy_pass http://admin.mewxh.
(This article applies to TL-ER6120 V1.0, TL-ER5120 V1.0, TL-ER5520G V1.0, TL-R483 V3.0, TL-R478 + V5.0, TL-WVR300 V1.0)Multi-WAN port routers can serve as load balancing and line backup, and can expand bandwidth to improve network performance. More and more Internet cafes and enterprises choose multi-WAN port routers as egress gateways to connect to the Internet.The following describes how to configure and use server
Haproxy.cfg Configuration file Contents#全局配置global log 127.0.0.1 local0 log 127.0.0.1 local1 notice #log loghost local0 info m Axconn 8192 #chroot的路径 chroot/usr/local/haproxy #运行用户和组的id uid #以守护进程 Form run Daemon #debug quiet #进程数量 based on server performance tuning Nbproc #pid路径 pidfile/var/ru n/haproxy/haproxy.pid# The default global configuration, these parameters are used to configure the Frontend,backe
Nginx + Tomcat + Https Server Load balancer configuration, nginxtomcat
As needed, we had to build an nginx + tomcat + https server. I searched for the web and found that there was always a mistake. Now I have sorted out some useful ones and I have forgotten them.
Environment: Centos6.5, JDK1.8, Tomcat8, Nginx1.10.1Preparation materials:1.jdk1.8installation packag
BasePath problems-nginx Server Load balancer Configuration
After configuring nginx + tomcat, add the project to webapps. Css and js cannot access the homepage, leading to an error in homepage layout. After carefully analyzing the cause, we found that the css and js addresses were obtained by basePath. BasePath is defined as follows:
String basePath = request. g
F5 Load Balancing PrincipleI. Server Load balancer Technology
The server Load balancer technology provides a cheap, effective, and transparent method based on the existing network structure, to expand the bandwidth of network devi
, there is no problem that each web application only has its own file and no other server files.
Who has done a large-scale IIS cluster?
Reply 4 # Suntrix well, ARR does have a health check mechanism and the http application layer can directly specify the page and match the response message information to determine whether the server is alive and the service is running normally. Why should we use ARR and NLB together? If only two servers are used as the webServer, does it make sense to configur
(ngx_trylock_accept_mutex (cycle) = ngx_error) {return ;}
Explanation: When ngx_accept_disabled is a negative number, the Server Load balancer operation is not triggered. Normally, the accept lock is obtained and new connections are processed. When ngx_accept_disabled is a positive number, the Server Load balancer ope
Build a mysql Server Load balancer and a high-availability environment and a mysql Server Load balancer
Objective: To use two hosts to achieve Mysql load balancing and redundancy, and achieve dual-master-slave mutual backup;
Environment: rhel5.8, mysql-5.0.77, keepalived-1.2
limit, and there is basically no consumption in memory and cpu.2. Low configuration, which is usually a major disadvantage, but it is also a major advantage. because there are not many configurable options, you do not need to touch the server frequently except increase or decrease the server, this greatly reduces the likelihood of human error.3. Work is stable. Because of its strong load resistance capabil
thrown load balancing in as a feat Ure.
Round Robin: Round Robin passes each new connection request to the next server on line, eventually distributing C Onnections evenly across the array of machines being load balanced. Round Robin works well at most configurations, but could be better if the equipment so you are load balancing was not Rou ghly
Nginx Server Load balancer transmits the parameter method to the backend (the backend is also an nginx server), and nginx Server Load balancer
A website uses nginx for load balancing and multiple nginx servers at the backend.
Encountered a problem, when it is used as SSL sup
equipment.
F5 is also based on BSD system modifications (it is said to be the latest Linux based), but the important swap is implemented through a dedicated switching chip (similar to the special image processing chip, can save a lot of CPU on image processing operations), In this way, his performance will not depend very much on the processing power of the host's operating system.
F5
At present, the global application of a wide range of load balancing equipment for the United States F5. F5 in China in the end of 2000, in the domestic industry, F5 load balancing products have become the mainstream load balancin
Load balancer dedicated devices, which are available from many companies. The use of specialized hardware equipment provided by specialized companies is very valuable to many companies with specific requirements, such as banking, telecommunications and other industries, but hardware aging speed is too fast, feel a device has not started to use, it is going to enter the recession period. I also vaguely remem
the environment.
4. E-commerce Web site High-performance, highly available solutions, LVS load balancing (front-end four-tier load balancer).
5. The key point explanation of the construction process, the key step explanation.
6. This program has been used in practical production applications for many times, and can be flexibly applied.
Second, the software
requirements. The following describes the device objects used by Server Load balancer and the network layers of applications (refer to the OSI reference model) and the geographical structure of the application.Software/hardware Load Balancing
A software Load Balancing solution is to install one or more additional soft
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