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Date:      Mon, 14 Jun 2021 13:49:11 -0700
From:      "Ronald F. Guilmette" <rfg@tristatelogic.com>
To:        "John Levine" <johnl@iecc.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Periodic tasks are not nice
Message-ID:  <3360.1623703751@segfault.tristatelogic.com>
In-Reply-To: <20210614190918.165D610C902F@ary.qy>

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In message <20210614190918.165D610C902F@ary.qy>, you wrote:

>It appears that Ronald F. Guilmette <rfg@tristatelogic.com> said:
>>Shouldn't all these sorts of background taks be nice'd?
>
>Maybe. My not very new server has 12 CPUs (six on each chip) so there
>is always an available CPU so the speed limit is the disk, not the
>processor. Nice only affects CPU scheduling.

Hummm... OK.

But on the other hand, if a given process is starved of CPU, then it
will naturally be less able to suck up all of the available actuator
movements of the spinning rust disks that I am still cheap enough to
own, yes?


Regards,
rfg



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