Re: profile sharing and directory service

Doug Turner wrote:
> Christopher Blizzard wrote:
> 
>> Doug Turner wrote:
>>
>>> Christopher Blizzard wrote:
>>>
>>>> Doug Turner wrote:
>>>>
>>>>>
>>>>> Exactly.  Shared files could exist anywhere and come from any 
>>>>> source (not just an ldap backend).
>>>>>
>>>>>
>>>>
>>>> Shared files or shared structured data?
>>>>
>>>> Take prefs for example.  You could save the prefs as a blob and 
>>>> upload them to a web server, or you could just update whatever has 
>>>> changed to some kind of structured data store.
>>>>
>>>> --Chris
>>>>
>>> shared files;  sharing anything more grandular probably will be a 
>>> huge performance hit.
>>>
>>
>> huh?  It doesn't have to be.  In fact it can be a performance win.  I 
>> wasn't talking about actually saving and flushing the prefs at each 
>> change.  
> 
> 
> oh.  I misunderstood.
> 
>> Imagine if you updated 2 prefs out of 100 and then only had to sync 
>> the 2 prefs instead of all 100 at shutdown (or once every 5 minutes.)  
>> That would be a performance gain.
> 
> 
> I am sure that we could be smart about when and how we write preferences 
> and shared data back to a "roaming" server. 

Right; we could even just journal changes immediately to disk and write 
them back to the roaming server in the background (either asynchronously 
or on a different thread).

Dan