[Samba] idmap_rid/idmap_hash collisions?
jerry at plainjoe.org
Wed Nov 11 08:52:30 MST 2009
Robert LeBlanc wrote:
>> There's a slide or two outlining the algorithm in this slide deck
>> from LInuxWorld SF '08
> How does this compare with idmap hash?
It's the same thing algorithm. I wrote the original Samba & Likewise
SID hashing code.
> Does it suffer from the same collision problem as rid?
idmap_rid doesn't have a collision problem that I'm aware of
as long as you set it up properly. Did I misunderstand something?
> Our AD will have a couple of hundred thousand objects in
> the not too near future.
Depending on account turnover and number of trusted domains,
I think you should be fine with idmap_hash. But if you only
have a single domain, then idmap_rid is equivalent I think.
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