[OpenAFS] Re: namei question

[chas williams]

In message <3DD944DA.6020900@fnal.gov>,Ray Pasetes writes:
>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
	user        0.0
	sys         0.0


	% /bin/time vos move user.chas.foo nova b nova a
	Volume 536893877 moved from nova /vicepb to nova /vicepa

	real     7:44.6
	user        0.0
	sys         0.0


	% /bin/time vos move user.chas.foo nova a nova b
	Volume 536893877 moved from nova /vicepa to nova /vicepb

	real     7:45.0
	user        0.0
	sys         0.0


'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
	user        0.0
	sys         0.0

	% /bin/time vos move user.chas.foo nova a nova b
	Volume 536893877 moved from nova /vicepa to nova /vicepb

	real    10:43.0
	user        0.0
	sys         0.0

	% /bin/time vos move user.chas.foo nova b nova a
	Volume 536893877 moved from nova /vicepb to nova /vicepa

	real    10:48.0
	user        0.0
	sys         0.0