Mod cluster: Difference between revisions
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Latest revision as of 08:57, 9 January 2016
External
- Official web site http://mod-cluster.jboss.org
- Github documentation https://github.com/modcluster/mod_cluster/#mod_cluster
- mod_cluster design https://developer.jboss.org/wiki/ModClusterDesign
- Bela's mod_cluster presentation http://www.redhat.com/f/pdf/jbw/bban_320_large_clusters_in_jboss.pdf
Internal
Overview
mod_cluster is an httpd-based load balancer. Like mod_jk and mod_proxy, mod_cluster uses a communication channel to forward requests from httpd to one of a set of application server nodes. Unlike mod_jk and mod_proxy, mod_cluster leverages an additional connection between the application server nodes and httpd to transmit server-side load balance factors and lifecycle events back to httpd.
mod_cluster has two parts: a native component that plugs into Apache httpd and provides load balancing services to multiple Tomcat back-end nodes.