Hi Mark,

MarkD wrote:
Hi,

I have a few questions regarding Apache Directory scaling to a large number
of users (>100k, up to 1 million).
We're in the process of testing and discovering these aspects of the server with quantitative data to show performance degradation with the side of the database. Emmanuel is working on this btw.
1) what is the default persistence implementation?
The default implementation is based on JDBM a B+Tree implementation in Java.
2) how many users does Apache DS support?
Don't know yet I have not tried to fill it up. I do know the theoretical limit for a single partition which is Integer.MAX 2^32-1.
3) is performance related to number of users?
Should not really be since the BTree will scale well. But I cannot say definitively without performing these tests and having conclusive data to give you.
4) what are the best practices for initially loading the directory with a
large number of users?
Hmmm I recommend making sure you have the right indices created before loading the directory.
5)what are the best practices / tradeoffs sessions & are they directly
correlated with JNDI InitialContext’s?
Could you restate this question having trouble understanding it?

Alex

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