Because the log files confirm it takes 35-40 seconds for anything to hit the
AR System, seems to indicate an issues with the load balancer. I agree with
Fred that the sticky timeout setting is a prime suspect. You might also do
a traceroute, just to make sure the routing path between your users and the
load balancer (and between the load balancer and the AR System servers) is
what you expect. Check the timings for each hop. Any layer 2 switches
(e.g., Catalyst 5500/6500) out there making lookup calls to a router or
RSM/MSM blade?
You didn't mention . . . how's the response time from the AR System server,
back to the user?
-- Bing
Bradford Bingel ("Bing")
ITM3 California
http://www.itm3.com/
[EMAIL PROTECTED] (email)
925-260-6394 (mobile)
_____
From: Action Request System discussion list(ARSList)
[mailto:[EMAIL PROTECTED] On Behalf Of Joe DeSouza
Sent: Wednesday, April 04, 2007 1:17 PM
To: arslist@ARSLIST.ORG
Subject: Re: Load Balancing Issues
**
Fred,
You just might be right.. I had that issue on a recent engagement and
reconfiguring the sticky timeout did work for us..
Joe
----- Original Message ----
From: "Grooms, Frederick W" <[EMAIL PROTECTED]>
To: arslist@ARSLIST.ORG
Sent: Wednesday, April 4, 2007 2:01:15 PM
Subject: Re: Load Balancing Issues
**
Also have them check the "sticky" timeout setting of the Load Balancer (the
length of time the LB maintains a list of who goes to which server).
It almost sounds like they are timing out in the LB and it is having to
determine which server they go to again.
Fred
_____
From: Action Request System discussion list(ARSList)
[mailto:[EMAIL PROTECTED] On Behalf Of Rick Cook
Sent: Wednesday, April 04, 2007 12:06 PM
To: arslist@ARSLIST.ORG
Subject: Re: Load Balancing Issues
**
Frank, the first thing I would check is the network routing and the
authentication settings on the load balancer.
Rick
_____
From: Action Request System discussion list(ARSList)
[mailto:[EMAIL PROTECTED] On Behalf Of Frank Caruso
Sent: Wednesday, April 04, 2007 9:04 AM
To: arslist@ARSLIST.ORG
Subject: Load Balancing Issues
** I am posting this for another client so I do not have complete details
but am hoping somebody may have thoughts on the issue ...
Env: ARS 7 ITSM V7, Windows 2003 Servers (3 of them in Server Group)
Issue:
Log in through the User tool and hit the load balancer. Load balancer quick
passes them off to 1 of 3 ARS servers. No problem. If user remains IDLE for
about 10 minutes and then tries to do anything they must wait about 35 to 40
seconds to get a response from ARS.
The developers on the ARS side have captured server side log files and
confirm that the delay is not on the ARS side. It takes 35-40 seconds for
anything to hit ARS and when it does it completes immediately.
Any thoughts are appreciated.
--
Frank Caruso
Specific Integration, Inc.
Senior Remedy Engineer, ITIL Foundation Certified
www.specificintegration.com <http://www.specificintegration.com/>
703-376-1249
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