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Server cluster

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This page is going to describe some basic information related to server clustering...

Cluster installation

Requirements

database server - ACID compliant, for example PostgreSQL and MariaDB
main server that is able to share dataroot - locking support recommended, for example NFS
load balancer - for example Nginx
cluster nodes - web servers
Memcached server for shared caches

Note: this guide is not intended for Windows OS or any other Microsoft technologies.

Initial installation

Perform standard CLI installation on the main server using shared database and dataroot directory.
Setup web servers on cluster nodes - use local dirroot and shared database and dataroot.
Configure load balancing.

Related settings

TODO

Performance improvements

TODO

Upgrade procedure

TODO

See also

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