[Catalyst] FW: Clustering catalyst apps

Len Jaffe lenjaffe at jaffesystems.com
Mon May 8 14:59:27 CEST 2006

--- Gert Burger <gburger at mweb.co.za> wrote:

> Thanks for the reply, here are some of my comments
> on this:
> I have looked at the High Availability systems that
> have been written
> for linux and they provide doubles(Or more) of
> everything, from load
> balancers to db servers. The issue I have with them
> are they require a
> great deal of money in hardware to get running.
> Anycase, back to my issue, How do websites like
> slashdot and amazon, all
> which use perl, keep uptimes of close to 99.999% ?

They use redundant hardware laod balancers to front
end everything. 

What you spend to maintain uptime will depend on the
cost of downtime?


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