a...@thunder:~$ sudo dpkg -i linux-
image-2.6.31-22-server_2.6.31-22.60_amd64.deb
Manually installing the latest kernel from Karmic Koala also acts as a
fix for the problems, which is pretty much a smoking gun pointing at the
kernel shipped with Lucid Lynx, in my opinion!
Things which were resolved:
1) Memory usage is now over 500MB lighter according to 'free -m'
2) Load average no longer idles between 0.7 - 1.1 on the box
Number of wakeups per second is pretty much identical, as is the top
cause for wakeups, namely the scheduler.
I've uploaded another archive containing more diagnostic output, sourced
using the same commands except this time running a Karmic Koala kernel
whilst keeping a Lucid Lynx userland. Perhaps this will be of use to
someone?
If someone needs help diagnosing the problem I can replicate it easily,
am happy to assist, and within reason have a fairly large pool of
different hardware (albeit all HP ProLiant) which can be quickly spun up
for testing.
** Attachment added: "ubuntu-574910-loadavg-karmickernel.zip"
http://launchpadlibrarian.net/51458418/ubuntu-574910-loadavg-karmickernel.zip
--
High load averages on Lucid EC2 while idling
https://bugs.launchpad.net/bugs/574910
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