Distributing Load in WFE

Hi,

We have 3 server farm(1 web, 1 app and 1 db) and we have 3 web app. In order to distribute the load we have added on more WFE. Now my question is.

1> Do you think we should use WFE1 to handle all the traffic from more frequently used web app and the WFE2 handle the traffic from the remaining web app and divert the traffic between these 2 WFE depending upon the threshold or request?

2>Or make WFE1 a primary server and let it handle all the traffic and divert traffic to WFE2 only when it reaches some threshold?

Any suggestions and ideas will be highly appreciated.

T

May 18th, 2015 3:48pm

depends... if the previous WFE was memory constrained, split by webapp (#1)... if it was CPU constrained, use load balancing and split the requests evenly.

#2 should never be used, since it would result in WFE2 being more or less idle.

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May 18th, 2015 4:02pm

HI,If both the WFE's are in same configuration.I would recommend to distribute the load equally among the WFEs by the Load balancer instead of one getting more and other is idle.
May 18th, 2015 11:13pm

HI,If both the WFE's are in same configuration.I would recommend to distribute the load equally among the WFEs by the Load balancer instead of one getting more and othe
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May 19th, 2015 1:08am

Hi,

I have my web app1 running on 199.9.0.1(say) ip on WFE1. Do i need another ip for this same web app1 on the second WFE2 for load balancing?

May 19th, 2015 8:40pm

Hi norarai,

You do not need the same IP.  WFE1 has it's own IP (199.9.0.1) and WFE2 has its own IP (199.9.0.2) say.  The load balancer will have it's own IP (199.9.0.3) say.  DNS will point to the LB (199.9.0.3) for requests to your site.  The load balancer will handle the requests and redirect them to either WFE IP.

Dyung

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May 20th, 2015 7:49pm

Hi Dyung,

This is our set up. We had WFE1 with ip 199.9.0.1 and we have 3 web apps that is bind to their own IP (for SSL).

Webapp1:    199.9.1.1

Webapp2    199.9.1.2

Webapp3:     199.9.1.3

Now we have introduced second WFE2 with IP 199.9.0.2

My question is ,now to get to webapp1 or webapp2 or webapp3 in WFE2 how does  the load balancer know if we don't assign these 3 webapps with separate ips?

Thanks,

May 20th, 2015 9:38pm

Hi norarai,

You do not need the same IP.  WFE1 has it's own IP (199.9.0.1) and WFE2 has its own IP (199.9.0.2) say.  The load balancer will have it's own IP (199.9.0.3) say.  DNS will point to the LB (199.9.0.3) for requests to your site.  The load balancer will handle the requests and redirect them to either WFE IP.

Dyung

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May 20th, 2015 11:48pm

Hi norarai,

You do not need the same IP.  WFE1 has it's own IP (199.9.0.1) and WFE2 has its own IP (199.9.0.2) say.  The load balancer will have it's own IP (199.9.0.3) say.  DNS will point to the LB (199.9.0.3) for requests to your site.  The load balancer will handle the requests and redirect them to either WFE IP.

Dyung

May 20th, 2015 11:48pm

Hi norarai,

Each of two WFE servers will host all 3 same web applications(i.e. webapp1,webap2,webapp3), WFE load balancer will determine and forward the FQDN request(e.g. sp.domain.com) to which one of two WFEs.

Here are two articles about how to configure load balancing for SharePoint WFE, you can take a look.

http://www.brambleknowledge.co.uk/news/article/why-use-network-load-balancing-or-microsoft-sharepoint-2013

http://www.boostsolutions.com/blog/how-to-setup-load-balance-in-sharepoint-2010-farm/

Thanks

Daniel

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May 24th, 2015 2:06am

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