strange 'vmstat -z' output

[Sergey Kandaurov]

On 6 July 2011 05:08, Jason Hellenthal <jhell at 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 at freebsd.org> wrote:
>> > hi there,
>> >
>> > i'm seeing the following with 'vmstat -z' on CURRENT, running on amd64:
>> >
>> > ITEM                   SIZE  LIMIT     USED     FREE      REQ FAIL SLEEP
>> > 128 Bucket:            1048,      0,     150,       0,    1650,12746,   0
>> >
>> > ...how can the number of failures be greater than the number of requests?
>>
>> Here REQ is the total number of successful allocations, not just requests.
>>
>
> 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.

-- 
wbr,
pluknet