Re: NEW_BUFQ_STRATEGY

On Wed, Dec 03, 2003 at 12:05:30AM -0800, Chuck Silvers wrote:
> On Sun, Nov 30, 2003 at 10:33:47AM -0800, Jason Thorpe wrote:
> > 
> > On Nov 28, 2003, at 2:10 PM, Chuck Silvers wrote:
> > 
> > >has anyone had any problems with NEW_BUFQ_STRATEGY lately?
> > >is there consensus on whether or not this is ready to become the 
> > >default?
> > 
> > I think the consensus is that it's stable, but I heard that it can have 
> > some pretty horrible performance effects with some file systems if 
> > they're exported by NFS.
> 
> I tried bonnie++ over NFS, and NEW_BUFQ_STRATEGY didn't affect the results
> significantly.  if this effect really does exist, I don't know how to
> trigger it.

I have the advantage of academic access to the SPEC benchmark suites,
but perhaps you do (or can arrange to) as well.  The NFS and web
benchmarks are ideal for this sort of thing.

-- 
 Thor Lancelot Simon	                                      [email protected]
   But as he knew no bad language, he had called him all the names of common
 objects that he could think of, and had screamed: "You lamp!  You towel!  You
 plate!" and so on.              --Sigmund Freud