[Beowulf] Authentication within beowulf clusters.

Brent M. Clements bclem at rice.edu
Mon Feb 2 07:45:05 EST 2004


Nscd is a necessary evil sometimes though.

-B

Brent Clements
Linux Technology Specialist
Information Technology
Rice University


On Mon, 2 Feb 2004, Leif Nixon wrote:

> Jag <agrajag at dragaera.net> writes:
>
> > On Sat, 2004-01-31 at 10:25, Robert G. Brown wrote:
> >
> >> NIS works fine for many purposes as well, but be warned -- in certain
> >> configurations and for certain tasks it becomes a very high overhead
> >> protocol.  In particular, it adds an NIS hit to every file stat, for
> >> example, so that it can check groups and permissions.
> >
> > A good way around this is to run nscd (Name Services Caching Daemon).
>
> I'm really, really suspicious against nscd. I've more than once seen
> it hang on to stale information forever for no good reason at all.
>
> --
> Leif Nixon                                    Systems expert
> ------------------------------------------------------------
> National Supercomputer Centre           Linkoping University
> ------------------------------------------------------------
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