Open Stack

On Wednesday, March 5, 2014 at 12:41 PM, Eugene Nikanorov wrote:
> Hi community,
> 
> Another interesting questions were raised during object model discussion about how pool statistics and health monitoring should be used in case of multiple vips sharing one pool. 
> 
> Right now we can query statistics for the pool, and some data like in/out bytes and request count will be returned.
> If we had several vips sharing the pool, what kind of statistics would make sense for the user?
> The options are:
> 
> 1) aggregated statistics for the pool, e.g. statistics of all requests that has hit the pool through any VIP
> 2) per-vip statistics for the pool.
> 
> 
> 

Would it be crazy to offer both?  We can return stats for each pool associated with the VIP as you described below.  However, we also offer an aggregated section for those interested.

IMO, having stats broken out per-pool seem more helpful than only aggregated, while both would be ideal.

John
> 
> Depending on the answer, the statistics workflow will be different.
> 
> The good option of getting the statistics and health status could be to query it through the vip and get it for the whole logical instance, e.g. a call like: 
>  lb-vip-statistics-get --vip-id vip_id
> the would result in json that returns statistics for every pool associated with the vip, plus operational status of all members for the pools associated with that VIP.
> 
> Looking forward to your feedback.
> 
> Thanks,
> Eugene.
> 
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