[OpenAFS] Re: namei question

[Tino Schwarze]

On Mon, Nov 18, 2002 at 03:31:37PM -0500, chas williams wrote:

> >Can you specify/quantify the performance hit?  We haven't been using 
> >namei but are considering using it.
> 
> it seems about 30% slower (some testing from a while back...)
> 
> 'afsinode' afs partitions
> 
> 	% /bin/time vos move user.chas.foo nova a nova b
> 	Volume 536893877 moved from nova /vicepa to nova /vicepb
> 
> 	real     7:42.3
[...]

> 'namei' afs partitions w/ logging
> 
> 	% /bin/time vos move user.chas.foo nova b nova a
> 	Volume 536893877 moved from nova /vicepb to nova /vicepa
> 
> 	real    10:50.5
[...]

Logging usually incurs a 10-20% performance decrease, so the NAMEI part
should amount to just another 10-20%... No big surprise IMO.

Bye, Tino.

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