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Re: nssd (was RFC: Going the LDAP/Kerberos way with NetBSD.)
On 02/05/2008, at 2:07 AM, Christos Zoulas wrote:
My experience with nssd has only been pain. While it is a good idea if
properly implemented, I have not seen a proper implementation of it
I don't think that it is easy to write one. Issues:
1. It introduces a level of cacheing which can lead to annoying
consistency issues if there is more cacheing happening at the
directory server level. What would be ideal is to teach all
the directory server backends to do uncached calls when they
are contacted by nssd.
Modifying third-party backends to not suck aside can anyone provide a
bit more detail about what properties an acceptable design would
exhibit and could be practically implemented?
2. It introduces an extra context switch for each lookup. This is
why sun invented doors.
Not knowing anything about doors. How does its use eliminate context
switch-per-lookup? Is it that it can service more than one lookup per
context switch or is there more to it than that?
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