Subject: Re: changing default for UFS_DIRHASH and NEW_BUFQ_STRATEGY
To: None <tech-kern@netbsd.org>
From: Perry E. Metzger <perry@piermont.com>
List: tech-kern
Date: 06/03/2005 12:40:52
Sean Davis <dive-nb@endersgame.net> writes:
> On Fri, Jun 03, 2005 at 05:53:17PM +0200, Frank van der Linden wrote:
>> On Fri, Jun 03, 2005 at 11:42:12AM -0400, Perry E. Metzger wrote:
>> > I didn't think Juergen was the author of NEW_BUFQ_STRATEGY, and I
>> > don't remember anyone complaining about it in any way at all for
>> > literally years now. Are you sure about this?
>> 
>> Hmm.. maybe it wasn't Juergen, but I remember a discussion on the internal
>> developers mailing list.. I'll let others speak up who remember that.
>
> I don't recall exactly who said what, but I do know that every time I've
> tried NEW_BUFQ_STRATEGY, once I put the system under some heavy load, any
> interactive apps I have running come to a screeching halt (we're talking 30
> second lag between a keystroke and the letter showing up in an xterm here).
>
> Please do not make it the default.

Er, that's the behavior I get when I *don't* use NEW_BUFQ_STRATEGY.
Many others have the same complaint. That's why I use it, and that's
why a lot of us would like it as the default.

Perry