Hi, Dhaval!
A use case for this algorithm is setting the pv_algo_pattern as shown in
the documentation page[1]:
modparam("dispatcher", "pvar_algo_pattern", "$stat(load_%u)")
This parameter indicates that whenever you are using a ds_select_*()
function with algorithm 9, OpenSIPS will check the load for each
destination, and order them based on each value.
For example, consider we have two destinations: sip:1.1.1.1 and
sip:2.2.2.2. Algorithm 9 will evaluate for each destination the
following pvars:
$stat(load_sip:1.1.1.1) and $stat(load_sip:2.2.2.2) and order them based
on its values. Then of course, first picks the least used one.
All that's left for you is to update the statistic accordingly. For example:
if (ds_select_dst("0", "9"))
update_stat("load_sip:$dd", "+1");
Hope that's clear now.
[1] http://www.opensips.org/html/docs/modules/2.1.x/dispatcher#id293975
Best regards,
Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com
On 12/18/2015 01:05 PM, DHAVAL INDRODIYA wrote:
Dear All,
I am working on opensips dispatcher and found that dispatcher is able
to do loadbalancing in function ds_select_dst.
I have found a good description on DISPATCHER module itself it says -
" *The /pvar_algo_pattern/ parameter is used to determine the load on
each server. If the parameter is not specified, then the first entry
in the set is chosen.*"
Now the question here is how to use this load balancing and what
should be exact value we need to put in pvar_algo_pattern?
How to define weight in table I mean what should be value of weight in
table it is like number of call handling capability?
I have found some of the reference and that some how not working i
might be using in wrong way if any one have a good example then would
be a great help for me.
BR,
DI
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