From owner-freebsd-hackers@FreeBSD.ORG  Wed Jul  6 07:28:50 2011
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Date: Wed, 6 Jul 2011 11:28:49 +0400
Message-ID: <CAE-mSO+NsnS4cW3UOUqNHy9KQ0r8MoK+nDkQyeWGp2CT=8XoZA@mail.gmail.com>
From: Sergey Kandaurov <pluknet@gmail.com>
To: Jason Hellenthal <jhell@dataix.net>
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Cc: Alexander Best <arundel@freebsd.org>, freebsd-hackers@freebsd.org
Subject: Re: strange 'vmstat -z' output
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On 6 July 2011 05:08, Jason Hellenthal <jhell@dataix.net> wrote:
>
>
> On Wed, Jul 06, 2011 at 04:40:54AM +0400, Sergey Kandaurov wrote:
>> On 6 July 2011 02:46, Alexander Best <arundel@freebsd.org> wrote:
>> > hi there,
>> >
>> > i'm seeing the following with 'vmstat -z' on CURRENT, running on amd64=
:
>> >
>> > ITEM =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 SIZE =A0LIMIT =A0 =A0 USED =
=A0 =A0 FREE =A0 =A0 =A0REQ FAIL SLEEP
>> > 128 Bucket: =A0 =A0 =A0 =A0 =A0 =A01048, =A0 =A0 =A00, =A0 =A0 150, =
=A0 =A0 =A0 0, =A0 =A01650,12746, =A0 0
>> >
>> > ...how can the number of failures be greater than the number of reques=
ts?
>>
>> Here REQ is the total number of successful allocations, not just request=
s.
>>
>
> I think he is refering to "FAIL" column not REQ.
>

Yes. And FAIL is not a subset of REQ. They are success / failure counters.
That's why FAIL can be less/greater then REQ.

--=20
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