Re: [Devel] [Engine-devel] vds_dynamic refactor
On Sun, Apr 6, 2014 at 11:22 AM, Itamar Heim <iheim(a)redhat.com> wrote:
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?
Actually - no. We can definitely see times we are updating vds_dynamic with
no reason at all. I tried to create patches for that - but it happens from
many different places in the code.
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