| From: | Xuneng Zhou <xunengzhou(at)gmail(dot)com> |
|---|---|
| To: | Jobin Augustine <jobin(dot)augustine(at)percona(dot)com> |
| Cc: | Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: test: avoid redundant standby catchup in 049_wait_for_lsn |
| Date: | 2026-09-30 07:32:03 |
| Message-ID: | CABPTF7VMr+Ed7JWfXCg3HLahiJBNk+MuwNMMK61f=D8-W0XAEA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Sep 30, 2026 at 12:24 PM Jobin Augustine <
jobin(dot)augustine(at)percona(dot)com> wrote:
> Hi Xuneng,
>
>
>> Interestingly, is this a pressure test? Can you please elaborate a bit
>> more on how the application tests it?
>>
> It was a custom coded application in Rust designed to demonstrate how this
> feature can reduce connections in the connection pool (deadpool of Rust
> with 16 connections in the pool), Because primary can commit asynchronously
> and release the connection back to pool and then wait for standby. I don't
> mind sharing the code, if that helps.
>
Thanks. I had a general idea via your description and I'd like to know more
about the use case. Please share it if you are ok with that.
--
Regards,
Xuneng Zhou
HighGo Software Co., Ltd.
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