127.0.0.1:9090 down;Server 127.0.0.1:8080 weight=2;Server 127.0.0.1:6060;Server 127.0.0.1:7070 backup;}In servers that need to use load balancing, addProxy_pass http://tgcluster/;The status of each device is set to:1.down indicates that the server is temporarily not participating in the load2.weight by default, the larger the 1.weight, the greater the load weigh
Lvs+keepalived+nginx enables dual-machine hot standby load balancing, which is a highly available load balancing deployment commonly used in the enterprise. Its network topology is as follows:
, using lvs+keepalived to load t
directory: CD pcre-8.352.4), compile:./configure2.5), install: Make make install2.6), view version: Pcre-config--version 3. Installing Nginx1), download the Nginx installation package, download to the official website, here is a stable version2), upload the installation package to Linux3), Decompression Nginx installation package: TAR-ZXVF nginx-1.14.0.tar.g
This article describes the traditional Tomcat load balancing and session replication. Session replication is based on JVM memory, and of course, in today's internet big Data age, there are better alternatives, such as storing session data in Redis. 1. Installing Nginx
First download nginx, I downloaded the version is 1
Nginx load balancing for multiple tomcat under one machine?1 Download tomcat, free install versionAddress: http://pan.baidu.com/s/1jGAgc5o2. Copy a tomcat copy ( the following operation only needs to be in the copy )The name is:3. Modify Server.confOpen File LocationModify the following three places:1.2.3.????????4. Open Service.batOpen File Location?Add the foll
be recognized immediately after it is ready.[*] If the response time of server a and server B is 3 and the response time of server B is 1, nginx automatically adjusts the probability of access to server B to three times that of server, truly achieve Load Balancing[/LIST]
Here I want to talk about the installation and running of nginx.Download the latest source
Kubernetes about the service exposure is mainly through the Nodeport way, through the binding minion host of a port, then the pod request forwarding and load balancing, but this way the defect is
The service may have many, if each is bound to a node host port, the host needs to open the perimeter of a heap of ports to make services calls, management confusion
Cannot apply firewall rules require
1.1 What is load balancingBased on the existing network structure, load Balancing provides a cheap and effective way to expand network equipment and server bandwidth, increase throughput, enhance network data processing capabilities, and improve network flexibility and availability.Load balancing, the English name is
:: 1/128 Scope HostValid_lft Forever Preferred_lft Forever2:eth0: Link/ether 00:0c:29:af:00:4e BRD FF:FF:FF:FF:FF:FFinet 192.168.0.130/24 BRD 192.168.0.255 Scope Global eth0inet 192.168.0.150/32 Scope Global eth0Inet6 FE80::20C:29FF:FEAF:4E/64 Scope linkValid_lft Forever Preferred_lft ForeverStop keepalived:/etc/init.d/keepalived stop on the primary server and then check from the server to see if it is already tiedVirtual IP (VIP):[[Email protected]_back ~]# IP Addr1:lo: Link/loopback 00:00:00:0
2008 Sina Podcast is composed of static server cluster and dynamic server cluster, static server cluster uses squid to do front-end cache, dynamic server is also called interface server, mainly used to achieve display playback, record playback logs and so on.
The interface server uses F5 big-IP hardware four/Seven load balancer switch, 4 nginx reverse proxy Server four layer
Tomcat using Nginx for load balancing is a simple thing
1. Environment preparation
The two machine IPs are 192.168.0.166 192.168.0.167 , respectively.
of which 166 installed Nginx
166 and 167 to install Tomcat separately
Of course, you can choose another machine to install nginx
nobody-vv-p 11212/usr/local/memcached/bin/memcached-u nobody-vv-p 11213 5.The above is the default load balancing algorithm: Set the counter, turn to request N servers.We want to use the installed third party module: (Top installed)such as Http://wiki.nginx.org/NginxHttpUpstreamConsistentHashThis module is to use a consistent hash to request the backend node, and its algorithm, in PHP with the Memcache
Tags: des style blog HTTP Io OS AR for SP Server Load balancer Server Load balancer is a server set composed of multiple servers in a symmetric manner. Each server is equivalent, Reverse Proxy Accept by Proxy ServerInternetAnd then forward the request to the internal server. Common Load Balancing 1. manually select
Load Balancing for Openfire clusters using Nginx
Some time ago, we implemented Openfire cluster deployment. If we want to implement the application in the application, we still need a crucial task: load distribution, and the selected load tool is
Apache2650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M02/82/29/wKioL1dNPlLQVhzRAADLZx9GaE8189.png-wh_500x0-wm_3 -wmp_4-s_2948794752.png "title=" 002.png "alt=" Wkiol1dnpllqvhzraadlzx9gae8189.png-wh_50 "/>Six, test on my physical machine!Enter the Nginx IP in the browser650) this.width=650; "Src=" Http://s3.51cto.com/wyfs02/M01/82/2B/wKiom1dNPibyllGTAAAzjlKuhqs824.png-wh_500x0-wm_3 -wmp_4-s_1075579482.png "style=" Float:none; "title=" 003.png
Reverse Proxy
The reverse proxy can be understood as a service-side and server-side communication through an agent, the agent to distribute the requestNginx is often used as a reverse proxy for back-end servers, so it is easy to achieve static and dynamic separation, as well as load balancing, thus greatly improving the processing capacity of the server.
Common configurations
Location/{
proxy_pass http
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