load balancing web services

configuration file At the end of the httpd.conf file, add the configuration that references the EKP configuration file as follows: # Virtual EKP host for balacingInclude conf/httpd-ekp-balance.conf The new configuration in the configuration file is located in the following figure: 1.3 EKP Load Balancing configuration file Settings Create a new file named "Httpd-ekp-balance.con

, in the use of web language development, all kinds of languages basically have their own cache modules and methods, PHP has pear cache module, Java more,. NET is not very familiar, I believe there is certainly.5. Website Design ImageMirroring is often used by large web sites to improve performance and data security, the mirror technology can solve the different network access providers and geographical use

Two Web servers, the operating system is a Windows Server 2008 R2, requesting three IP addresses and a load-balanced domain name (www.test.cn) where one IP address is a virtual IP address and the other two are configured on two servers, for example: Virtual ip:11.1.6.13 Two sets of addresses are 11.1 6.11, 11.1.6.12 Two services to be installed as follows: Serv

two Web servers, the operating system is Windows Server 2008 R2, requesting three IP addresses and a load-balanced domain name (www.test.cn) where one IP address is a virtual IP address and the other two are configured on two servers, for example: Virtual ip:11.1.6.13 Two sets of addresses are 11.1 6.11, 11.1.6.12 Two services to be installed as follows: Server

load balancing. The least Connection equalization algorithm has a data record for each server in the internal load, records the number of connections currently being processed by the server, and, when there is a new service connection request, assigns the current request to the server with the least number of connections, making the balance more realistic and

In order to achieve server upgrades without affecting user use, it is necessary to configure two tomcat on one or more servers. The following procedure describes configuring two tomcat on the same server. The steps are as follows: 1, copy the original tomcat to another directory, such as: tomcat-8090, clear Logs Directory2, modify the Server.xml file in Tomcat, the shutdown and connector port modified to another value, such as 8006/80903. Modify startup.sh and shutdown.sh files and add in the fi

mysql> slave start; Mysql> Show Slave Status\g Configure master-slave replication success 3 ), configure 192.168.95.12 master-slave replication Ditto Configuration Master-slave replication succeeded. Back to top 4, middleware brief back to top4.1, HaproxyIntroduction Haproxy is an open source high performance reverse proxy or one of the load Balancer services software that supports dual standby, virtual

management and the best server group performance. Server Load balancer technology controls applications/content from Layer 4 to Layer 7, so as to implement priority division and differentiated services for different types of customers and applications, using Layer 7 Smart session recovery technology, at the same time, HTTP 400,500 and 600 series errors can be detected. It transparently redirects the transa

According to the investigation and analysis by some experts, more than 90% of the databases used by enterprises are mainly used for queries. Some enterprises have a higher proportion. That is to say, the user's operations on the database, in fact, the proportion of update operations is very small. Most of the operations are query operations. For example, in some forums, most users only view the post, instead of posting. This is an example of a typical query operation that greatly exceeds the upd

working with LAYER4, such as Web 80 port load Balancing, keepalived detects that 80 ports in the back-end server group are not started, and if not, it is considered invalid and rejected· When working with Layer7, according to user's settings, if the user does not match the set, it is considered invalid and rejectedThree modules:· Core: Responsible for initiating

This article is about the PHP surface test seven of the nginx load balance How to configure, has a certain reference value, now share to everyone, the need for friends can refer to Load Balancing There are 4 modes of load Balancing in Nginx: 1), polling (default)Each reques