** Tags added: cscc
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https://bugs.launchpad.net/bugs/1008400
Title:
Ubuntu server uses CFQ scheduler instead of deadline
Status in linux package in Ubuntu:
In Progress
In my opinion I also agree to use deadline scheduler for server kernel
which is also the same problem on the 4.15 kernel, if a server kernel
would still exist.
Under trusty we generally saw good performance with deadline scheduler and on a
recent SSD based deployment with 4.15 I noticed a large p
I observe substantial lag under heavy I/O (in my case I was unzipping a
multigigabyte archive) with the deadline scheduler. Manually switching
to the cfq scheduler improved responsiveness and eliminated the lag.
Perhaps cfq is a better choice for the desktop version?
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BTW, that IBM article... it doesn't mention what versions they used,
which I think is very important :-(.
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https://bugs.launchpad.net/bugs/1008400
Title:
Ubuntu server uses
In my humble opinion, several kernel options should be tested before each new
Ubuntu version to see what is the best one at the time.
This is one such option.
Isn't the CFQ scheduler in better shape in Ubuntu 14.04?
Maybe not, I am just asking :-).
Thanks for the info! :-)
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