Re: unfsd scalability issues

[Les Mikesell <lesmikesell@xxxxxxxxx>]

On Sat, Jun 2, 2012 at 9:59 AM, Boris Epstein <borepstein@xxxxxxxxx> wrote:
>>>
>> Unlikely back then, either.  It's a userland implementation, subject to
>> all the same scheduling issues as any other userland app; filesystems
>> should not be implemented in userland for efficiency reasons.
>>
>
> A process implemented in the userland may not be as efficient as one
> implemented as part of the kernel - but that doesn't mean it can't scale
> well, does it?

Anything that needs atomic operations is difficult to scale.  Throw in
distributed components and an extra user/kernel layer and there are
lots of ways to go wrong.

-- 
   Les Mikesell
     lesmikesell@xxxxxxxxx
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