| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
| Cc: | Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Masahiko Sawada <masahiko(dot)sawada(at)2ndquadrant(dot)com>, "tsunakawa(dot)takay(at)fujitsu(dot)com" <tsunakawa(dot)takay(at)fujitsu(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: SLRU statistics |
| Date: | 2020-05-13 15:01:47 |
| Message-ID: | 1196.1589382107@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> writes:
> On Wed, May 13, 2020 at 10:26:39AM -0400, Tom Lane wrote:
>> Why is that necessary? A static variable is defined by C to start off
>> as zeroes.
> But is it a static variable? It's not declared as 'static' but maybe we
> can assume it inits to zeroes anyway? I see we do that for
> BgWriterStats.
Sorry, by "static" I meant "statically allocated", not "private to
this module". I'm sure the C standard has some more precise terminology
for this distinction, but I forget what it is.
regards, tom lane
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