[Devel] [Engine-devel] vds_dynamic refactor

Itamar Heim iheim at redhat.com
Sun Apr 6 08:22:41 UTC 2014


On 04/03/2014 07:51 PM, Liran Zelkha wrote:
> The problem is with both updates and selects.
> For selects - to get all the information for the VDS we have multiple
> joins. Adding another one will hurt performance even more.
> For updates - we have vds_static thats hardly changed. vds_statistics
> that changes all the time. vds_dynamic is not changed allot - but is
> updated all the time because of the status. I think it's best to split
> it to the two existing tables (BTW - relevant for VM as well)

but we don't update it unless the status has changed, which is a rare 
occurance?



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