REPLACE_BROKEN_YIELD [was Re: Comparing OpenLDAP on Linux 2.6/Sol 10 ]

[Ron Grant <rgrant@shuttle.net>]

What does this value do, and is it best to leave it set on x86 Linux 
v2.6.xx kernel?

This value appears to be set by "configure". I'm trying to build an RPM 
so would have to modify that value after "configure", but I'd like to 
know what it's going to affect first. Stability is more important than 
speed, but better speed would be nice. Should I just setup a test and 
see if it works on my server?

I ran 1.5 million unique searches on my test server, a 2.4.Ghz P4 (with 
a maxtor IDE HD, I might add) from fifteen different clients and 
finished in 24 minutes. This is 1000 completed searches per second, more 
than enough for my needs, but hey...... "fast = good"...no?



James F. Hranicky wrote:

> On Sat, 14 Jan 2006 00:47:18 -0800
> Quanah Gibson-Mount <quanah@symas.com> wrote:
>
>  
>
> > #define REPLACE_BROKEN_YIELD 1
> >
> > with
> >
> > #undef REPLACE_BROKEN_YIELD
> >
> > then proceed with the make process.
> >
> > Run your ldapsearch test, and report the results.  I believe this will 
> > change the behavior so that Linux performs as well as, or better than, 
> > Solaris 10 x86.
> >    
>
> It seems to have knocked about 10 seconds off each query, but still about
> 3x slower than Sol10x86.
>
> Jim
>