Re: Is it worth adding ReplicationSlot active_pid to ReplicationSlotPersistentData?

From: Bharath Rupireddy <bharath(dot)rupireddyforpostgres(at)gmail(dot)com>
To: Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>
Cc: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: Is it worth adding ReplicationSlot active_pid to ReplicationSlotPersistentData?
Date: 2022-02-27 09:46:44
Message-ID: CALj2ACXE_xNuwhckNzcJPUWBZcLnNadrvkTy3PTFxQvyZ1S4OQ@mail.gmail.com
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On Mon, Jan 10, 2022 at 6:50 AM Bharath Rupireddy
<bharath(dot)rupireddyforpostgres(at)gmail(dot)com> wrote:
>
> On Wed, Jan 5, 2022 at 12:13 PM Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com> wrote:
> > > Here's the v2 patch. Please provide your thoughts.
> >
> > Thanks! I have three comments on this version.
>
> Thanks for your review.
>
> > - I still think "acquire/release" logs on creation/dropping should be
> > silenced. Adding the third parameter to ReplicationSlotAcquire()
> > that can mute the acquiring (and as well as the corresponding
> > releasing) log will work.
>
> Done.
>
> > can piggy-back on log_replication_commands for the purpose, changing
> > its meaning slightly to "log replication commands and related
> > activity".
> > - Need to mute the logs by log_replication_commands. (We could add
> > another choice for the variable for this purpose but I think we
> > don't need it.)
>
> Done.
>
> > - The messages are not translatable as the variable parts are
> > adjectives. They need to consist of static sentences. The
> > combinations of the two properties are 6 (note that persistence is
> > tristate) but I don't think we accept that complexity for the
> > information. So I recommend to just remove the variable parts from
> > the messages.
>
> Done.
>
> Here's v3, please review it further.

Here's the rebased v4 patch.

Regards,
Bharath Rupireddy.

Attachment Content-Type Size
v4-0001-Add-LOG-messages-when-replication-slots-become-ac.patch application/octet-stream 11.3 KB

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