[Pkg-openldap-devel] Bug#421946: openldap2.3: build against newer Berkeley DB

[Clint Adams]

On Mon, Sep 03, 2007 at 11:23:22PM -0700, Howard Chu wrote:
> The test I used most recently was to run test008 in the OpenLDAP test suite 
> and average the runtimes over 5-10 runs for each BDB version. In my tests I 
> ran with SLAPD_DEBUG=0 so the only I/O traffic is from BDB and not from 
> debug logging. I also ran with an extremely small cachesize setting (5, the 
> default is 1000) to further aggravate the locking contention in the 
> underlying DB. Under normal conditions (where the cache is not so 
> ridiculously undersized for the workload) the differences are not as 
> apparent.
>
> Also note that the runtimes for this test are non-deterministic since they 
> are affected by deadlock retries, and their pattern is unpredictable on 
> most systems.

Does the hybrid mutex performance fix in db 4.6.21 solve this problem?