On 08/24/2017 03:08 PM, Maksim Milyutin wrote:
[...]
>
> AFAICS you want to introduce two additional per-node variables:
> - auto_explain_log_estimate_ratio that denotes minimum ratio (>= 1) between
> real value and planned one. I would add 'min' prefix before 'ratio'.
> -
On 24.08.2017 14:56, Adrien Nayrat wrote:
Hi hackers,
Hi,
I try to made a patch to auto_explain in order to log queries with
wrong estimation.
I compare planned row id : queryDesc->planstate->plan->plan_rows
Vs ntuples : queryDesc->planstate->instrument->ntuples;
AFAICS you want to
Hi hackers,
I try to made a patch to auto_explain in order to log queries with wrong
estimation.
I compare planned row id : queryDesc->planstate->plan->plan_rows
Vs ntuples : queryDesc->planstate->instrument->ntuples;
If I understand, instrumentation is used only with explain. So my patch
