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 Background If you've too much web traffic for a single server,
or you need multiple servers for robustness in the
event of a failure, you'll need a scheme for clustering
or balancing. Specialised hardware solutions are possible,
but you can also use an instance of Apache httpd to front
a number of back room servers (httpd, Tomcat or something
else).Related technical and longer articles Load balancing and robustness - httpd, tomcat, PHP, Servlets, MySQLThe proxy jServ, jk, jk2, warp and jk story Load Balancing and Clustering Tips and short articles on this subject Clustering on TomcatLoad balancing with sticky sessions (httpd / Tomcat) Sharing the load between servers - httpd and Tomcat Automated server heartbeat and health check Load Balancing - Hardware or Software? More HowTo diagrams - MySQL, Tomcat and Java Sharing the load with Apache httpd and perhaps Tomcat Clustering, load balancing, mod_rewrite and mod_proxy Well House Consultants
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Clustering and load balancing
Exercises, examples and other material relating to training module A690. This module is presented on Private Courses and Specially Run Courses only
If you've too much web traffic for a single server, or you need multiple servers for robustness in the event of a failure, you'll need a scheme for clustering or balancing. Specialised hardware solutions are possible, but you can also use an instance of Apache httpd to front a number of back room servers (httpd, Tomcat or something else). This module is presented on Private Courses and Specially Run Courses only Background information
Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.
Topics covered in this module
What is clustering?
What is load balancing? Which should you use? Keeping the cluster or balance servers in step. Sticky sessions. Failover. Complete learning
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