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Re: LDAP Group Membership Scalability

To: Jeff Sussna <jsussna@fieldsolutions.com>
Subject: Re: LDAP Group Membership Scalability
From: Howard Chu <hyc@symas.com>
Date: Fri, 08 Aug 2008 14:55:57 -0700
Cc: openldap-technical@openldap.org
In-reply-to: <5FE418C6-8920-420F-B793-CB8ACA91119E@fieldsolutions.com>
References: <5FE418C6-8920-420F-B793-CB8ACA91119E@fieldsolutions.com>
User-agent: Mozilla/5.0 (X11; U; Linux i686; rv:1.9.0.1pre) Gecko/2008062211 SeaMonkey/2.0a1pre

Jeff Sussna wrote:

I am looking into using OpenLDAP to manage users and groups for my
system. A single group may contain up to 50,000 users. Does the LDAP
group membership mechanism suffer any scalability problems at that size?


Not if you configure sortvals - see slapd.conf(5) or slapd-config(5).

One of our partners has a group in their corporate directory whose members comprise every employee in the company, over 380,000 people. Personally I think this is a poor choice of design, but it works fine when properly configured.

--
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/

Follow-Ups:
- Re: LDAP Group Membership Scalability
  - From: David Hawes <dhawes@vt.edu>

References:
- LDAP Group Membership Scalability
  - From: Jeff Sussna <jsussna@fieldsolutions.com>

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