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Benchmarking for eDirectory/LDAP
Problem
A Forum reader recently asked:
"I have eDirectory 8.7.3.8 running on Linux rhel 4. I need to perform some benchmarking on the performance of our LDAP."
And here is the response from Edward van der Maas ...
Solution
We had to do this for a very large tree at a customer site. We used the JMeter tool (http://jakarta.apache.org/jmeter/)
It's very cool - you can do binds, searches, etc.
I use it to create loads of objects of the same class very quickly. Just do an LDAP bind and then an LDAP create action. You can use counters to increment certain attributes and kick it off.
We had to provide a system that was capable of handling 1000 LDAP requests (mainly reads) per second.
You can create LDAP read queries and iterate those in a loop. Then using the reports in JMeter, you can see how many failed/successful reads you've had. It is probably not entirely flawless, but it gives you a pretty good indication.
We saw huge improvements in performance from eDirectory's side using JMeter and playing around with indexing, memory settings, etc.
Disclaimer: As with everything else at Cool Solutions, this content is definitely not supported by Novell (so don't even think of calling Support if you try something and it blows up).
It was contributed by a community member and is published "as is." It seems to have worked for at least one person, and might work for you. But please be sure to test, test, test before you do anything drastic with it.
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