[389-users] Performance differences between 1.1.2 and 1.2.6/1.2.7

[Rich Megginson]

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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