[TYPO3-english] TYPO3 CMS, multiple app servers and load balancing

Daniel Neugebauer mailinglists at energiequant.de
Tue Apr 26 20:07:10 CEST 2016


On 04/25/2016 05:41 PM, Brian Hauge Hansen wrote:
> One question, any specific reasons for having a 2 server setup instead of 3?

Just to save costs (the servers are rented at a web hoster) and because
it wasn't necessary. In our case the customer didn't require multiple
servers for performance (one dedicated server with recent hardware would
have been well sufficient), he just wanted to eliminate unplanned
downtime if the hardware should suddenly fail (stopping Murphy ;) ).
Using the servers for actual load balancing just happened to be a
convenient by-product (practically no extra work required) but it wasn't
a strict requirement.

Rent for an additional server aside, using 3 servers would probably
complicate the failover mechanism and its resolution quite a bit which
costs more hours to implement such a setup. However, there's nothing
preventing us from extending the current setup if needed.


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