Re: Built-in connection pooler

From: Konstantin Knizhnik <k(dot)knizhnik(at)postgrespro(dot)ru>
To: Jaime Casanova <jaime(dot)casanova(at)2ndquadrant(dot)com>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Ryan Lambert <ryan(at)rustprooflabs(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, Dimitri Fontaine <dim(at)tapoueh(dot)org>
Subject: Re: Built-in connection pooler
Date: 2019-09-09 15:12:28
Message-ID: 4e241f6b-68d8-0a3b-48cb-eac00111de26@postgrespro.ru
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On 06.09.2019 19:41, Konstantin Knizhnik wrote:
>
>
> On 06.09.2019 1:01, Jaime Casanova wrote:
>>
>> Sadly i got a lot of FAILED tests, i'm attaching the diffs on
>> regression with installcheck and installcheck-parallel.
>> btw, after make installcheck-parallel i wanted to do a new test but
>> wasn't able to drop regression database because there is still a
>> subscription, so i tried to drop it and got a core file (i was
>> connected trough the pool_worker), i'm attaching the backtrace of the
>> crash too.
>>
>
> Sorry, I failed to reproduce the crash.
> So if you will be able to find out some scenario for reproduce it, I
> will be very pleased to receive it.

I was able to reproduce the crash.
Patch is attached. Also I added proxyign of RESET command.
Unfortunately it is still not enough to pass regression tests with
"proxying_gucs=on".
Mostly because error messages doesn't match after prepending "set local"
commands.

--
Konstantin Knizhnik
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

Attachment Content-Type Size
builtin_connection_proxy-21.patch text/x-patch 129.1 KB

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