incubator-couchdb-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jan Lehnardt <...@apache.org>
Subject Re: couch_util:new_uuid problem?
Date Sat, 04 Oct 2008 14:08:24 GMT

On Oct 4, 2008, at 10:13 , Ayende Rahien wrote:

> What is the use case for them?

Keeping track of stuff between replications afaik.

Cheers
Jan
--

>
>
> On Sat, Oct 4, 2008 at 11:10 AM, Jan Lehnardt <jan@apache.org> wrote:
>
>>
>> On Oct 4, 2008, at 2:53 , Ayende Rahien wrote:
>>
>>>
>>> B) What is the meaning of "_local" documents? I couldn't find  
>>> anything
>>> about
>>> it.
>>>
>>
>> A special kind of documents for internal use that do not get  
>> replicated.
>> They are sorta private.
>>
>> Cheers
>> Jan
>> --
>>
>>
>>>
>>> On Sat, Oct 4, 2008 at 2:49 AM, Ayende Rahien <ayende@ayende.com>  
>>> wrote:
>>>
>>> Looking at the method implementation, it looks like there might be a
>>>> problem here.
>>>>
>>>> new_uuid() ->
>>>>  list_to_binary(to_hex(crypto:rand_bytes(16))).
>>>>
>>>> In particular, we aren't actually guaranteed to have a unique  
>>>> value.
>>>> You can read more about what needs to be done to get unique  
>>>> guids: here:
>>>> http://blogs.msdn.com/oldnewthing/archive/2008/06/27/8659071.aspx
>>>>
>>>>
>>>>
>>


Mime
View raw message