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Setting up a haproxy/keepalived loadbalancer on a XEN virtual machine – AKA a cloud load balancer

To enable haproxy/keepalived failovers on a virtual machine, some kernel configuration tuning is needed. The settings on the VM host and client need to be adapted from a real physical server. The case I will describe below is built upon a simple bridged setup. At the time of install there where plenty of issues running [...]

Tuning MariaDB 5.2 with Partitioned tables

If you want to set up a decent MariaDB machine with enough tables to seriously keep you awake at night thinking about backup/restore plans, you need to perform some additional setup to the stock MariaDB configuration file. I just started to load up a backup of a large database and once it had to create [...]

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