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Re: (ITS#3851) Berkeley DB Scalability Patch
Any profiling data or clues on where that degradation comes from ?
How many entries did you add for this experimental setup ?
- Jong-Hyuk
quanah@symas.com wrote:
>Hi Jong,
>
>I took a look at the other effects this patch has, i.e., what happens when
>you put OpenLDAP in a mixed RW situation with a version of BDB compiled
>with your patches in place. The results are devastating.
>
>Without the patch, using a 29% Write, 71% Read scenario:
>
>630.304 operations/second
>182.671 modifies/second
>447.632 searches/second
>
>
>With the patch, using a 29% Write, 71% Read scenario:
>
>53.707 operations/second
>15.554 modifies/second
>38.153 searches/second
>
>
>As you can see, the performance is more than 10 times worse with the patch
>in place than without it.
>
>This was using the OpenLDAP 2.3.4 release on a 2 CPU SunFire v210 with 2 GB
>of RAM, running Solaris 8.
>
>--Quanah
>
>--
>Quanah Gibson-Mount
>Product Engineer
>Symas Corporation
>Packaged, certified, and supported LDAP solutions powered by OpenLDAP:
><http://www.symas.com>
>
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