[CentOS] unfsd scalability issues
Les Mikesell
lesmikesell at gmail.comSat Jun 2 15:23:35 UTC 2012
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On Sat, Jun 2, 2012 at 9:59 AM, Boris Epstein <borepstein at gmail.com> 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 at gmail.com
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