Hi Bobby,
You can try to do something like:
1) do load_balance() to get the less loaded destination
2) use ratelimit to check the cps for it
3) if too many CPS -> do again load_balance() - this will get the
next less loaded destination, skipping the one already used.
Regards,
Bogdan
Bobby Smith wrote:
I feel there can be something done using the ratelimit module here:
http://www.opensips.org/html/docs/modules/1.6.x/ratelimit.html, but I
don't see that happening without a way to do a "select next" with the
loadbalancer module. Currently, the implementation calculates load
based on resources available, but is there a way to forcibly skip a
resource and pick the "next best" resource, like a lb_do_next() function?
Thanks,
Bobby Smith
On Sat, Nov 27, 2010 at 3:25 PM, Bobby Smith <[email protected]
<mailto:[email protected]>> wrote:
Greetings,
Currently with our load balancing implementation, we're
encountering a problem where when a server is added to the active
pool during load, all calls immediately hit that server until all
the resources are reached. While in a perfect situation
(restarting call load) this is not a problem, in a situation where
we're under call load with many servers and need to dynamically
add more servers, this causes a problem as the resource added
can't handle the sudden burst of calls per second. This is also
causing a problem when a resource is removed from the pool for
troubleshooting purposes and needs to be added back without a
restart of opensips.
Is there any way from a scripting perspective to throttle how this
works? If not, I'd like to request it as a feature (something
like maximum CPS per resource or something). Also, resetting the
load balancing metrics is not an option; we need to be able to
keep an accurate track of resources load balanced to each server.
Thanks,
BobbyS
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Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro
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