Messages in this thread | | | Date | Mon, 18 Aug 2003 13:04:12 -0600 | From | "Justin T. Gibbs" <> | Subject | Re: Very bad interactivity with 2.6.0 and SCSI disks (aic7xxx) |
| |
> But as soon as I do a > > while true; do dd if=/dev/zero of=test bs=1024 count=1048576 ; rm test > ; done > > on my SCSI disk, the system becomes completely unusuable after a few > seconds. Everything is running at the speed of molasses, even screen > redrawing, the music stops playing for some seconds, my mouse hangs > and so on.
It sounds like the system is not limiting the rate at which an I/O hog can dirty pages, so this one process ends up consuming all of your I/O bandwidth.
-- Justin
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |