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Re: Openldap scalability issues

To: "Armbrust, Daniel C." <Armbrust.Daniel@mayo.edu>
Subject: Re: Openldap scalability issues
From: Mike Jackson <mj@sci.fi>
Date: Mon, 21 Feb 2005 19:52:18 +0200
Cc: openldap-software@OpenLDAP.org
In-reply-to: <A8FE2359D23B3243BF7EF44ADE36CA66013B3B3C@excsrv64.mayo.edu>
References: <A8FE2359D23B3243BF7EF44ADE36CA66013B3B3C@excsrv64.mayo.edu>
User-agent: Mozilla Thunderbird 0.7.3 (X11/20040803)

Armbrust, Daniel C. wrote:

I'm looking for some configuration advice to make openldap scale better for databases that hold millions of records.
In the past we have been loading most of our large databases from ldif with slapadd.  We have been successful in

> loading databases with 10 to 15 million entries. The largest ones usually take a day or two - but we can deal with that.

Hi, Can you please tell the specs of your hardware and OS? A day or two? That should be a big, blinking red light for the designers, unless you are using a 486 DX100 or something similar...

As an example, I offline loaded 10m entries on my home machine, 2.4GHz, 512MB RAM, in 3h50m, using one of the longtime commercial LDAP servers which will remain unnamed since this is the "OpenLDAP" forum :-)

--
mike

References:
- Openldap scalability issues
  - From: "Armbrust, Daniel C." <Armbrust.Daniel@mayo.edu>

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