[SR-Users] Query regd the dispatcher algorithm support

Daniel-Constantin Mierla miconda at gmail.com
Thu Nov 14 10:21:14 CET 2013


Hello,

there is no such algorithm done internally. But you can get it via 
configuration:

- use two set ids, first with the 3 nodes and then the second with the 
other 2 nodes
- first to ds_select_*(setid1, 4) and ds_next_*() utill you consume all 
of them
- if no answer yet and no more addresses with setid1, then call 
ds_select_*(setid2, 4) and ds_next_*()

You can also look to see if weight based distribution fits your needs, 
so you can have the 3 good nodes with high weight and the other with 
something lower. But it won't try first the 3 good ones, it will 
distribute across all of them based on their weight.

Cheers,
Daniel

On 11/14/13 2:54 AM, santosh satapathy wrote:
> Hi,
>
> Any input for the below query is highly appreciated.
>
> *Question:*
>
> Does the dispatcher module allow combination like "weighted round 
> robin" algorithm. Or Do we have any similar algorithm ?
>
> Example:
>
> 3 of 5 nodes are in better condition so I set them as weight 1 and the 
> other two as weight 2.
>
> Then the dispatcher will round robin between the 3 nodes with weight 1 
> until all 5 are with the same weight.
>
> That also means that the weight should be dynamic and updated as 
> conditions of the node changes.
>
>
> -- 
> Thanks
>
> Santosh
>
>
>
> -- 
> Thanks
>
> Santosh
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
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