Re: Interrupts vs signals

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>
Cc: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Interrupts vs signals
Date: 2021-11-11 20:24:41
Message-ID: CA+TgmobfJHdTjh8sDGct_bP0wfB0J6Csz7OHOEbiEu62ZD5jGA@mail.gmail.com
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On Thu, Nov 11, 2021 at 2:50 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> They can count, but only when used for network sockets or pipes ("slow
> devices" or whatever the posix language is). Disk IO doesn't count as that. So
> I don't think it'd be a huge issue.

Somehow the idea that the network is a slow device and the disk a fast
one does not seem like it's necessarily accurate on modern hardware,
but I guess the spec is what it is.

--
Robert Haas
EDB: http://www.enterprisedb.com

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