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

[LGB [Gábor Lénárt]]

I totally agree. It seems to be a long standing issue and it seems it's
just getting more and more worse every time. Now when I want to do
anything reasonable which involves disk I/O (even just copying a CD
image from one disk to another, or dist-upgrade) I let the machine to
do, and I go for a coffee, since the machine is simply unusable during
it. I noticed it earlier but as I've mentioned it seems it's getting
more and more worse with every new kernels. I still remember the good
old days with debian (maybe with 2.4 kernels or at least early 2.6 ones)
when even the hardest I/O tasks can't interrupt even playing audio from
the same disk: now I have to pray not to be interrupted even when the
machine is idle and got some a very short I/O task from some process ...
And btw I had much weaker hw before ...

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