Re: pgsql: Remove unused wait events.

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От Daniel Gustafsson
Тема Re: pgsql: Remove unused wait events.
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Msg-id 97058FA5-5B76-4FD4-B741-9A39E7544EE6@yesql.se
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Ответ на Re: pgsql: Remove unused wait events.  (Andres Freund <andres@anarazel.de>)
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> On 25 Oct 2021, at 20:01, Andres Freund <andres@anarazel.de> wrote:
>
> On 2021-10-25 13:39:44 -0400, Tom Lane wrote:
>> Daniel Gustafsson <daniel@yesql.se> writes:
>>> Since this will cause integer values to have different textual enum value
>>> representations in 14 and 15+, do we want to skip two numbers by assigning the
>>> next wait event the integer value of WAIT_EVENT_WAL_WRITE incremented by three?
>>> Or enum integer reuse not something we guarantee against across major versions?
>>
>> We require a recompile across major versions.  I don't see a reason why
>> this particular enum needs more stability than any other one.
>
> +1. That'd end up pushing us to be more conservative about defining new wait
> events, which I think would be bad tradeoff.

Fair enough, makes sense.

--
Daniel Gustafsson        https://vmware.com/




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