Re: [RFC][DATA] re "ongoing vm suckage"

From: Marcelo Tosatti (marcelo@conectiva.com.br)
Date: Sun Aug 05 2001 - 13:40:39 EST


On 5 Aug 2001, Michael Rothwell wrote:

> On 04 Aug 2001 10:08:56 -0700, Linus Torvalds wrote:
> >
> > On Sat, 4 Aug 2001, Mike Black wrote:
> > >
> > > I'm testing 2.4.8-pre4 -- MUCH better interactivity behavior now.
> >
> > Good.. However.. [...] before we get too happy about the interactive thing, let's
> > remember that sometimes interactivity comes at the expense of throughput,
> > and maybe if we fix the throughput we'll be back where we started.
>
> Could there be both interactive and throughput optimizations, and a way
> to choose one or the other at run-time? Or even just at compile time?

You can increase the queue size (somewhere in drivers/block/ll_rw_block.c)
to get higher throughtput.

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