’ wasn’t sufficient for us to determine that the processes
were functional.
From: Action Request System discussion list(ARSList)
[mailto:arslist@ARSLIST.ORG] On Behalf Of patchsk
Sent: Sunday, October 30, 2011 11:18 PM
To: arslist@ARSLIST.ORG
Subject: load balancer ars health check
** Just
An f5 health check will drop the member from the pool, thus stopping all
traffic to it. It's a bit more extreme than an alarm for an administrator
to check. The goal with the health check is to add/remove pool members
based on whether or not they work and to do it quickly (within seconds or
faste
Look at is this way
If the web works, the AR server works and the database works too, and all is
well. If the web doesn't work, the AR server might still be functional, but in
any case you have to go investigate it :-). Not perfect for metrics, but good
enough for administrator's alarms.
s this what I am supposed
> to see?
>
>
>
> From: Action Request System discussion list(ARSList)
> [mailto:arslist@ARSLIST.ORG] On Behalf Of patchsk
> Sent: Monday, October 31, 2011 12:18 AM
> To: arslist@ARSLIST.ORG
> Subject: load balancer ars health check
>
&
Thanks Axton for the information. I am checking with our loadbalancer guys
if they have any experience writing iRules.
Seems like this has been a pain for several customers.
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Thanks Doug, but we can use this only when we are 100% web.
We do not want to tie the app load balancing with web.
Because we still have some users using the client, so there are scenarios
where a web maynot work but the app could still be working..
Also we are not always sure that our midtiers wi
**
>
> *From:* Action Request System discussion list(ARSList) [mailto:
> arslist@ARSLIST.ORG] *On Behalf Of *patchsk
> *Sent:* Monday, October 31, 2011 12:18 AM
> *To:* arslist@ARSLIST.ORG
> *Subject:* load balancer ars health check
>
> ** **
>
> ** Just curious to s
When I run this I get a reply that says “200_OK” is this what I am supposed
to see?
From: Action Request System discussion list(ARSList)
[mailto:arslist@ARSLIST.ORG] On Behalf Of patchsk
Sent: Monday, October 31, 2011 12:18 AM
To: arslist@ARSLIST.ORG
Subject: load balancer ars health check
**
Patchsk,Take a look at http://webserver:port/arsys/samples/StatusCheck.jsp.StatusCheck.jsp actually does exercise the web server, the AR server and the database. You can see the SELECT sent to the database by the MidTier user in your arsql.log, which means that all the components above that are
Just curious to see what are the different health check mechanisms being
used for ARS in a load balanced env in different companies.
We are using F5 and we have load balancing for Midtiers and also for ARS.
For midtiers our health check was to monitor
http://webserver:port/arsys/home url. And no
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