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From "DENIS Laurent" <>
Subject RE: [users@httpd] High availabilty through Apache httpd
Date Mon, 06 Feb 2012 09:42:10 GMT
If you just want failover on the head apache: use two nodes with vrrp +
keepalived (if you're on linux) to monitor your service.


If you need load-balancing, then you should use two VRRP addresses with
DNS round-robin. But you'll stumble on client-server persistence problem
if you don't use tomcat clustering.



From: Jaco Kroon [] 
Sent: Monday 6 February 2012 10:24
Cc: Harsimranjit singh Kler
Subject: Re: [users@httpd] High availabilty through Apache httpd


Not that I'm aware of but someone else on the list may very well know
something I don't.

May I inquire as to why not?

Kind Regards,

On 06/02/12 11:17, Harsimranjit singh Kler wrote: 

Its is not possible for me  to use "haproxy" in my setup. Is there
alternate to use with Apache only?


On Mon, Feb 6, 2012 at 2:43 PM, Jaco Kroon <> wrote:


Perhaps look at "haproxy" instead of apache.  Run it on two or more
machines with multiple IPs and have then distribute the load to your
Tomcat worker nodes.

Kind Regards,

On 06/02/12 11:09, Harsimranjit singh Kler wrote:

How i can make apache httpd High Available(HA)?.If i want to achive with
out hardware based HA.
I have httpd 2.2.17 on one Phsical Node(IP and Six Tomcat
worker on other 6 Phsical Node.Now if IP goes down my
application completly down.?


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