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Re: Scaling LDAP
Well, you could do a bunch of slave nodes behind a VIP.
Or even multi master behind a VIP.
Both are 'more' HW, but not reaching a new class of server - which would be orders of magnitude more expensive.
There's also DB tuning I suspect, which I'm entirely clueless on.
I've also seem ref's to alternate system memory managers on this list.
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From: openldap-technical-bounces@OpenLDAP.org <openldap-technical-bounces@OpenLDAP.org>
To: Quanah Gibson-Mount <firstname.lastname@example.org>; email@example.com <firstname.lastname@example.org>
Sent: Wed Mar 14 23:59:57 2012
Subject: Re: Scaling LDAP
Thks for replying. However, my concern is:
In our production system we have 8GB of ram with 100GB hard disk. So till what limit it the Read/Write operation to LDAP goes smoothly.
Lets say - 1 row of data is 10K bytes.
Please don't mind - but we are planning for the afterwards approach. (What to do - when LDAP goes slow with this configuration)
For Example - In mysql we could do first level partitioning the tables and afterwards at last resort we could do its sharding.
So, my query is - Can we do anything other than upgrading H/W or OS if the I/O operation to LDAP gets slow?
Thanks and Regards,
On Thu, Mar 15, 2012 at 12:20 AM, Quanah Gibson-Mount
I'm not sure what you mean by scaling options. OpenLDAP scales, and that has been shown numerous times. How well/far it scales depends entirely on your hardware and operating system and the size of the DB in relation to those things.
--On Wednesday, March 14, 2012 11:08 AM +0530 Gaurav Gugnani <email@example.com
First of all thks for helping me out with the issues on openLDAP.
Well today, my query is pretty generic and lot many people working on
LDAP would face such an issues.
We are using openldap 2.4.26 with BDB as backend. We've installed the
setup on linux machine of 64 bit with 4GB ram. Now, currently we have
some 10K records in it and its working perfectly fine. Our systems is
running under replication - syncrepl.
However, in near future we can foresee some million of records to turn
up. So, Can any one please advise - What are the different Scaling
options available with LDAP?
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