On 10/13/2008 02:06 PM, Tom Horsley wrote:
If, for example, I'm typing, the text will stop appearing for second (or
so) and then all the letters I've typed over that time appear.
Add to this that the icons on the desktop will disappear, and then
reappear. This usually happens at the end of the pause.
I've certainly noticed the pauses. I haven't seen the icon behavior.
My impression is that keyboard and mouse handling has somehow become vastly
lower priority than disk IO processing. I've noticed when running "yum update"
I'll see the interactive pauses right at the same time each new rpm is
finished downloading or installing. (This is on a system with USB keyboard
and mouse and SATA disks).
I've been wondering about this for some time now but I was not really sure
if this was a real problem with the system or just a perception issue.
Whenever disk I/O occurs this seems to impact the interactive behavior of
other applications quite considerably. In some cases I see apps locking up
for up to two or three seconds because a second process accesses the disk.
Regards,
Dennis
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