I also see that 12.04 uses cfq as I/O scheduler. 10.04 used deadline. After switching the I/O scheduler to deadline the load quickly went down from about 100 to 10. I have to measure whether the performance is acceptable now.
I also see that 12.04 uses cfq as I/O scheduler. 10.04 used deadline. After switching the I/O scheduler to deadline the load quickly went down from about 100 to 10. I have to measure whether the performance is acceptable now.