[Beowulf] Authentication within beowulf clusters.

Leif Nixon nixon at nsc.liu.se
Mon Feb 2 05:19:30 EST 2004

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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