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Old 02-10-2011, 03:37 PM
Rich Megginson
 
Default Performance differences between 1.1.2 and 1.2.6/1.2.7

On 02/10/2011 09:32 AM, Reinhard Nappert wrote:



Hi,
I*noticed
that the search performance increased quite a bit with
1.2.6/1.2.7.5, compared to 1.1.2.
*
I
did a rather simple test, where I randomly searched objects
from a small database with about 25.000 objects. I assume
that those objects are cached.
The
tests were performed on a 2 Dual CPU (1.8 GH clock speed)
box with 16 GB RAM.
*
I
did perform 7.000.000 searches with 7 threads (1.000.000
searches per thread). Both directory instances were
configured in exactly the same way.
*
I
got 5630 searches/sec for the 1.2.7.5 directory instance,
whereas
I
got 6890 searches/sec for the 1.1.2 directory instance.
*
I
was wondering what the reason for the performance decrease
is.

Could be the entryrdn (subtree rename) support.* Not sure.* You
could try disabling that.


*
Thanks,
-Reinhard


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