Re: 2.4.5 VM

[Christopher Zimmerman <zim@av.com>]

Actually I take everything back.  I've been testing on linux-2.4.5-xfs and seen
major improvements.

-zim

Christopher Zimmerman wrote:

> Christopher Zimmerman wrote:
>
> > "Trever L. Adams" wrote:
> >
> > > In my opinion 2.4.x is NOT ready for primetime.  The VM has been getting
> > > worse since 2.4.0, I believe.  Definitely since and including 2.4.3.  I
> > > cannot even edit a few images in gimp where the entire working set used
> > > to fit entirely in memory.  The system now locks in some loop (SAK still
> > > works).
> > >
> > > FILE CACHING IS BROKEN.  I don't care who says what, by the time swap is
> > > half filled, it is time to start throwing away simple caches.  Not wait
> > > until there is no more memory free and then lock in an infinite loop.
> > >
> > > My system has 128 Meg of Swap and RAM.
> > >
> > > Trever Adams
> > >
> > > -
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> > > Please read the FAQ at  http://www.tux.org/lkml/
> >
> > I've found that with the latest kernel release (2.4.5) VM performance has
> > been greatly improved.  kswapd and bdflush no longer use 200% of my cpu
> > cycles when simply doing a dd bs=1024 count=8388608 if=/dev/zero
> > of=test.file.  All of my test systems remain responsive with about 180% cpu
> > available.  These systems are running software RAID and 3ware IDE raid with
> > 2GB of memory and 4GB swap.  Have you tried 2.4.5?
> >
> > -zim
> >
> > Christopher Zimmerman
> > AltaVista Company
> >
> > -
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