Mod cluster Concepts: Difference between revisions
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<tt>mod_proxy_cluster</tt> cannot work correctly if [[httpd mod_proxy Concepts#mod_proxy_balancer|mod_proxy's <tt>mod_proxy_balancer</tt>]] is loaded, so <tt>mod_proxy_balancer</tt> must be removed from the httpd configuration. | <tt>mod_proxy_cluster</tt> cannot work correctly if [[httpd mod_proxy Concepts#mod_proxy_balancer|mod_proxy's <tt>mod_proxy_balancer</tt>]] is loaded, so <tt>mod_proxy_balancer</tt> must be removed from the httpd configuration. | ||
<blockquote style="background-color: #f9f9f9; border: solid thin lightgrey;"> | |||
:[[mod_cluster mod_proxy_cluster Configuration| mod_proxy_cluster Configuration]] | |||
</blockquote> | |||
==mod_advertise== | ==mod_advertise== | ||
Revision as of 01:01, 9 January 2016
TODO Deplete: https://home.feodorov.com:9443/wiki/Wiki.jsp?page=Mod_clusterConcepts
Internal
Lifecycle of a Request
TODO
Balancer
TODO: what is a "balancer". There's a default one, whose default name is "mycluster". The name of the balancer can be specified by the back-end nodes. What is it? What is its function. Represent it on the diagram.
Worker Node
Modules
mod_cluster_slotmem
mod_manager
mod_proxy_cluster
mod_proxy_cluster cannot work correctly if mod_proxy's mod_proxy_balancer is loaded, so mod_proxy_balancer must be removed from the httpd configuration.
mod_advertise
Dependency on mod_proxy
TODO
- Why are mod_proxy.so and mod_proxy_ajp.so and how are they used?
- Are there any mod_proxy modules that must be removed?