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Re: Big Performance drop of Exceptions in UDFs between V11.2 and 13.4

Andrew Dunstan <andrew@dunslane.net>

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From: Andrew Dunstan <andrew@dunslane.net>
To: Tom Lane <tgl@sss.pgh.pa.us>, "ldh@laurent-hasson.com" <ldh@laurent-hasson.com>
Cc: Justin Pryzby <pryzby@telsasoft.com>, Ranier Vilela <ranier.vf@gmail.com>, "pgsql-performance@postgresql.org" <pgsql-performance@postgresql.org>
Date: 2021-08-22T21:26:30Z
Lists: pgsql-performance 
On 8/22/21 4:11 PM, Tom Lane wrote:
> "ldh@laurent-hasson.com" <ldh@laurent-hasson.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