Apache HTTP Server is selected as the front-end Server Load balancer, and two Tomcat clusters are selected at the backend. The selected configuration method is session sticky (sticky session ), this method forwards requests from the same user to a specific Tomcat server to avoid session replication in the cluster. The disadvantage is that the user only communicates with one server, if the server is down, it
1) Open the "httpd.conf" file in the "/usr/local/apache2/conf" directory and add the following configuration item at the end of the file, as shown in Figure 4-2-1.
Proxyrequests OFF
proxypass/balancer://mycluster/
Balancermember ajp://localhost:10009 ROUTE=TOMCAT1
Balancermember ajp://localhost:20009 ROUTE=TOMCAT2
Figure 4-2-1
Description: Where "Mycluster" is the name of the cluster, "ajp://localhost:10009 ROUTE=TOMCAT1" corresponds to the Tc6_a in
Nginx Server Load balancer is an amazing technology that many people cannot master. Here we will introduce the problems related to nginx Server Load balancer in detail. I tried nginx Load Balancing today! What is nginx?
Nginx ("engine X") is a high-performance HTTP and rever
port 80.The nginx download address is as follows:Nginx download: http://nginx.net/Download the version used in this test: nginx/Windows-0.8.22
Download and decompress the package to C:, and change the directory name to nginx.
Practice steps:
First:
On the local server (10.60.44.126), create a website using the port 808, for example:
IIS website binding settings
Second:
Create a website in the Remote IIS 10.60.44.127 using the port 808, for example:
Remote IIS binding settings
Note: The first
This article describes how to configure Simple Server Load balancer on Docker. The host machine is Ubuntu14.04.2LTS, two CentOS containers, Nginx for the host machine, and tomcat 7 for the two containers. The architecture is as follows: the principle of this solution is to map the host machine port and the docker container port (that is, a port accessing the host machine will be mapped to the corresponding
Since the release of this series, I have received replies from many friends! Thank you very much. At the same time, many friends have asked some questions, some of which are basic questions. Due to the time, they will not reply to them one by one. If they do not understand, I hope you will learn by yourself! Although this series is not difficult, many of the knowledge is required by default, such as the concept, principle, and Web farm of Server Load
Haproxy + Apache for Linux Server Load balancer Software
Haproxy provides high availability, Server Load balancer, and reverse proxy Based on TCP and HTTP applications, especially for websites with extremely high loads that usually require session persistence or layer-7 processing. Haproxy runs on the current hardware
;Create mod. conf in the/usr/local/apache/conf/directory:LoadModule jk_module modules/mod_jk-1.2.31-httpd-2.2.x.soJkWorkersFile conf/workers. properties# JkMount/*. jsp lbcontroller# JkMount/*. do lbcontrollerJkMount/* lbcontroller # you can configure multiple apache distributors as needed./* indicates that apache distributes all files by lbcontroller. You can set it by yourself *. jsp ,*. do and so on2.2 workers. properties fileCreate the workers. properties file in the conf directory under apa
Next, this section describes the network architecture and configuration process of the RADWARE project. Radware works in active/standby mode. The corresponding networking methods are divided into single-arm networking, dual-arm networking, and triangular transmission.
I. Single-arm networkingThe following networking is called single-arm networking, which is a widely used networking method. This networking mode enables complete master-slave switchover. Generally, the gateway of the server must po
If you have experience in cluster, server load balancer, and dual-machine hot standby, you will be able to answer the question: I am using a mysql database web script written in php. If cluster, server load balancer, and dual-machine hot standby are implemented, is there an all-in-one solution? I mean, what I know now
I know what server load balancer and high concurrency should be used to solve this problem, but I don't know how to do it even though I have no experience in the concept of server load balancer and high concurrency, I searched for nginx to achieve load balancing and high con
1 overviewIn order to guarantee the stable operation of the bastion host-instruction channel, it is necessary to implement the load balance of instruction channel, and study to determine the use of LVS software.LVS is the abbreviation for Linux virtual server, that is, the Linux server, the official site is: www.linuxvirtualserver.org2 LVS ArchitectureLVS set up server cluster to achieve load balancing has
Web server.(2) The Load Balancer (control side) failure can cause the entire database system to be paralyzed.Third, database split (distributed)By a certain condition, the data stored in the same database is distributed to multiple databases, distributed storage, routing rules to access a specific database, so that each access is not a single server, but the n server, which can reduce the
Recently, using Apache as a load balancer for a cluster, according to the relevant configuration, after adjusting the relevant content, the Apache httpd.conf file is adjusted. Add the following content:After adding such as content, the original normal Apache can not start!Looking at Apache's backend log error.log, we found the following:[Tue Dec 09 10:34:51 2014] [Notice] parent:received Restart Signal--res
: This article describes how to use Nginx server load balancer to build a high-performance. NETweb application 2. if you are interested in PHP tutorials, refer to it. In this article, we use Nginx server load balancer to build high performance. in NETweb Application 1, we have a preliminary understanding of Nginx. next
: This article mainly introduces the Nginx + IIS + Web front-end (SpringMVC)-server load balancer (1). If you are interested in PHP tutorials, refer to it. Introduction
When developing a large Web project, if our web is published on the IIS of a server, when a large number of requests are sent to the IIS service, the computer will crash easily. So we thought, why don't we put our services on multiple compu
configuration needs to be modified so that it can be forwarded via Tomcat.A, nginx.conf configuration fileWorker_processes 1; Events { worker_connections ;} HTTP { include mime.types; Default_type application/octet-stream; Sendfile on ; Keepalive_timeout ; Include extra/upstream01.conf;}b, extra/upstream01.conf file, load balancer configuration informationupstream
modified so that it can be forwarded via Tomcat.A, nginx.conf configuration fileWorker_processes 1; events { worker_connections ;} HTTP { include mime.types; Default_type application/octet-stream; Sendfile on ; Keepalive_timeout ; Include extra/upstream01.conf;}b, extra/upstream01.conf file, load balancer configuration informationupstream MySite { server localhost:8081
Example of an nginx load balancer configuration. The configuration examples for load balancing are as follows:Http{upstreamserver{server192.168.10.100:80 weight=3max_fails=3fail_timeout=25s;server 192.168.10.101:80weight=1max_fails=3fail_timeout=25s;server 192.168.10.102:80weight=4max_fails=3fail_timeout=25s; server192.168.10.103:80weight=2max_fails=3fail_timeout
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