[Bug 131094] Re: Heavy Disk I/O harms desktop responsiveness

[LGB [Gábor Lénárt]]

I've just had a very annoying experience: on notebook (running up-to-
date ubuntu 9.10, 32 bit) I wanted to copy a large file onto a pendrive.
Normally, - I think - it shouldn't affect the I/O performance too much,
since that pendrive is quite slow, so I doubt that it can make the hdd
(I was copying from) or any other I/O subsystem too busy other than the
pendrive itself. However it almost killed the notebook: I couldn't
change windows, alt-tab required 10 minutes (!) to react. Without any
I/O of course I have no usability problems with it. Nothing interesting
in the kernel log ...

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Heavy Disk I/O harms desktop responsiveness
https://bugs.launchpad.net/bugs/131094
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