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De : MyungKyu LIM
Envoyé : mardi 24 juillet 2018 12:10
À : Alexander Korotkov; pgsql-hack...@postgresql.org
Cc : Woosung Sohn; DoHyung HONG
Objet : RE: Re: [Proposal] Add accumulated statistics for wait event
> On Mon, Jul 23, 2018 at 10:53 AM Michae
> On Mon, Jul 23, 2018 at 10:53 AM Michael Paquier wrote:
>> What's the performance penalty? I am pretty sure that this is
>> measurable as wait events are stored for a backend for each I/O
>> operation as well, and you are calling a C routine within an inlined
>> function which is designed to
2018-07-23 16:53 (GMT+9), Michael Paquier wrote:
> On Mon, Jul 23, 2018 at 04:04:42PM +0900, 임명규 wrote:
>> This proposal is about recording additional statistics of wait events.
> I have comments about your patch. First, I don't think that you need to
> count precisely the number of wait events
