On Sunday 13 February 2011 04:52:00 HuangAlex wrote:
> Hi all,
>
> I notice that the change of ObjectId is not strictly continuous. For
> example, if the object is file it may be change as 0x101, 0x102, but when
> it comes to directory, the objectid may become 0x200, 0x300. So here is the
> problem, is there some law that i can caculate the number of all kinds of
> file based on the objectid? For example, if we randomly chose a chunk and
> it object id is 50, so in my opinion, the total number of file should at
> least 50. But we see above the object id for directory is not continuous.
> Please help me to solve this problem.Thank you all.

Object ids are not allocated sequentially and it cannot be used to calculate 
the number of objects.

If you really want a quick way to know how many objects are allocated then you 
would have to look at the allocator.

n_obj_created - n_obj_free

Charles