| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "ldh(at)laurent-hasson(dot)com" <ldh(at)laurent-hasson(dot)com> |
| Cc: | Justin Pryzby <pryzby(at)telsasoft(dot)com>, Ranier Vilela <ranier(dot)vf(at)gmail(dot)com>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: Big Performance drop of Exceptions in UDFs between V11.2 and 13.4 |
| Date: | 2021-08-22 21:26:30 |
| Message-ID: | 9ac5ac95-1297-50b7-a27e-30f6a775d7b2@dunslane.net |
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| Lists: | pgsql-performance |
On 8/22/21 4:11 PM, Tom Lane wrote:
> "ldh(at)laurent-hasson(dot)com" <ldh(at)laurent-hasson(dot)com> writes:
>> I do have a Linux install of 13.3, and things work beautifully, so this is definitely a Windows thing here that started in V12.
> It's good to have a box around it, but that's still a pretty large
> box :-(.
>
> I'm hoping that one of our Windows-using developers will see if
> they can reproduce this, and if so, try to bisect where it started.
> Not sure how to make further progress without that.
>
>
Can do. Assuming the assertion that it started in Release 12 is correct,
I should be able to find it by bisecting between the branch point for 12
and the tip of that branch. That's a little over 20 probes by my
calculation.
cheers
andrew
--
Andrew Dunstan
EDB: https://www.enterprisedb.com
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