Re: IP Acounting Idea for 2.5

Jonathan Lundell (jlundell@pobox.com)
Wed, 18 Apr 2001 07:45:05 -0700


At 10:16 AM +0200 2001-04-18, Kenneth Johansson wrote:
>Alan Cox wrote:
>
>> > > Fix your userspace applications to behave correctly. If _you_
>> > > require your userspace applications to not clear counters, then fix
>> > > the application.
>> >
>> > You are confused. What would you say if a close() by another,
>>
>> No he isnt confused, you are trying to dictate policy.
>
>Well it's not actually possible to do a fix in userspace for a odometer type of counter that can be reset. I don't know what you mean about policy but this reset "feature" is a shure way to get bad values. I have not seen one good reason to have a reset other than it easier to read and that is something that can be fixed in userspace.

Moreover, in a non-resettable-counter environment, any client of the counter can trivially achieve the effect of a reset by (locally) storing a snapshot and doing a subtract. Conversely, if the counter is truly reset, information is lost permanently.

-- 
/Jonathan Lundell.
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