Benjamin LaHaise wrote:
>
> On Wed, Oct 23, 2002 at 12:57:24PM -0700, Andrew Morton wrote:
> > Steven Cole wrote:
> > >
> > > ext3
> > > tar zxf linux-2.5.44.tar.gz 2.5.44-mm3 2.5.44-ac2
> > > user 4.42 4.39
> > > system 4.09 4.05
> > > elapsed 00:53.17 00:34.05
> > > % CPU 16 24
> >
> > The smaller fifo_batch setting hurts when there are competing
> > reads and writes on the same disk.
>
> Is the ext2/3 allocation heuristic fix in yet? That might swing things
> around again too.
>
Only for ext2, only in -mm. I havben't submitted the Orlov allocator
because Ted is playing with it.
ext3's five-second commit interval and limited journal size really
bite in this test. We end up doing most of the writeback within
the measurement period rather than after it.
On Wednesday 23 October 2002 22:09, Andrew Morton wrote:
> ext3's five-second commit interval and limited journal size really
> bite in this test. We end up doing most of the writeback within
> the measurement period rather than after it.
The test results should include *both* the time the tar completes
and the time a subsequent sync completes, to tell the whole story.
--
Daniel