[CentOS] Load Balancing

Thu May 25 08:47:59 UTC 2006
Bruno Sousa <bruno.sousa at first.pt>

Hi there,

I'm currently involved in a Project that requires high-avaiability and
load-balancing for web servers and database servers.
In order to have a load-balancing webserver, I use LVS and I use dns round
robin. Basically I have the hostname with 2 distinct IP, so I have some
load-balancing right from the start, using DNS.
Then I have 2 machines (low-end) , that run LVS, and this machines are
high-avaiable , using heart-beat.
As to storage , I have the machines using an iscsi share , shared by a
machine running with a raid 1+0.
Regarding the database servers, i use Oracle so perhaps this is off-topic
for you :)

Best wishes,
Bruno Sousa

-----Mensagem original-----
De: centos-bounces at centos.org [mailto:centos-bounces at centos.org] Em nome de
Mace Eliason
Enviada: terça-feira, 23 de Maio de 2006 16:52
Para: CentOS mailing list
Assunto: [CentOS] Load Balancing


We are starting a new project, and are trying to decide the best way to 
proceed.  We want to setup a LAMP configuration using Centos, something 
we have been doing in the past with great success.

The question is load balancing.  We antisipate the potential for the 
system to receive 500,000 requests/ day with in the next year.  We want 
to plan for that extra load now as we start the project.  What would you 
suggest for setups for multiple servers for redundancy and load balancing?

I have setup MySQL replication and that works fine but what about the 
rest of the system.  I know it is quite simple to setup with windows 
2003 server.

Would a cluster be the way to go?  Ideally we would like 2-? severs 
setup that are all identical and sharing the load as need be, and if one 
fails users would notice nothing.

I have also thought of just looking for a hosting company that offers 
load balancing servers and not worry about it but we like to have control.

Thanks for any suggestions

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