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

[Yan Li]

Tobias Oetiker:

Thank you very much for the update. I'm a bit surprised to see the
single-reader on ext4 is worse than that on ext3. I'm to postpone the
upgrade of my systems to ext4. I dare not using data=writeback yet.

I'm a bit confused about why you ran this on a RAID6 system. The RAID
card/driver might affected the performance in a way yet to be
understood. IMHO the less layers between Linux kernel and hard drive,
the better we can understand the kernel I/O scheduler/fs etc.

Again, thank you for the great data.

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