what does the item's 'age' stat mean?

[John.H]

It is so nice of you to give me a so good explanation.
Thank you,and I understood what the age mean now.

Have a good day;)

2007/8/4, Steven Grimm <sgrimm at facebook.com>:
>
> John.H wrote:
> > Thanks Steve
> > but I still do not understand that I set all the item's expire time to
> '0'
> > so,why these age will be such that stat?
>
> "Age" refers to how old something is. That is, current_time -
> item_creation_time. Whether or not you set an expiration time has no
> effect on an item's age.
>
> > Does the following stats
> >   STAT items:1:number 12
> >   STAT items:1:age 5904
> > mean:
> > the slab whose classid is  1 have  12 items
>
> Yes.
>
> > and this slab's next expire item will be expire in 5904 seconds?
>
> No, it says the oldest item in the slab was created 5904 seconds ago. If
> you run the same command one second later, the number will change to
> 5905. (Assuming the item didn't get ejected from the cache during that
> one second.)
>
> -Steve
>
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