Re: pgsql: Add kqueue(2) support to the WaitEventSet API.

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От Tom Lane
Тема Re: pgsql: Add kqueue(2) support to the WaitEventSet API.
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Msg-id 15886.1582572468@sss.pgh.pa.us
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Ответ на Re: pgsql: Add kqueue(2) support to the WaitEventSet API.  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Ответы Re: pgsql: Add kqueue(2) support to the WaitEventSet API.  (Tom Lane <tgl@sss.pgh.pa.us>)
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Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> On 2020-Feb-24, Tom Lane wrote:
>> We could also consider a HINT, along the lines of "Raise the server's
>> max_files_per_process and/or \"ulimit -n\" limits."  This again has
>> the ambiguity about which server, and it also seems dangerously
>> platform-specific.

> Maybe talk about "the local server" to distinguish from the other one.

OK by me.

> As for the platform dependencies, I see two main options: make the hint
> platform-specific (i.e have #ifdef branches per platform) or make it
> even more generic, such as "file descriptor limits".

I thought about platform-specific messages, but it's not clear to me
whether our translation infrastructure will find messages that are
inside #ifdefs ... anyone know?  If that does work, I'd be inclined
to mention ulimit -n on non-Windows and just say nothing about that
on Windows.  "File descriptor limits" seems too unhelpful here.

            regards, tom lane



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