[Bug 574910] Re: High load averages on Lucid while idling

Scott Moser smoser at canonical.com
Mon Sep 27 14:39:03 UTC 2010


@Rod
  The latest kernel attached to the latest set of images does not contain a fix for this bug.
  The kernel team is working on getting this fix [1] pulled in and uploaded to -proposed, hopefully early this week.   At that point, this bug will have an automatic comment added to it indicating that it has been uploaded to -proposed.  I will then upload the kernel to each ec2 region in a "sandbox" bucket and ask for people here to test it, and comment that they have done so, per the SRU process [3].
  Once in -updates, the daily builds of 10.04 will pull it in, and the kernel will appear in a "testing" bucket.  From there, I would then test images using that kernel and refresh them which would get it into a "ubuntu-kernels" bucket, where it would sit for ever (and never be removed).
  I currently don't expect to refresh images explicitly for this fix.  The fix only addresses "phantom load".  No performance is actually addressed (see John's comment #61).  Instead, I'd like to hold off and release newly refreshed images in a month or so, hopefully picking up some other fixes such as (bug 634487: 
t1.micro instance hangs when installing sun java).  That said, I would consider manually pushing kernels to a "ubuntu-kernels" bucket so they would never be deleted, and you could rely on them being there for rebundled AMIs.

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[1] http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-lucid.git;a=commit;h=3c91150d222bbef6efd7121f9ae1a9b3c103a5af
[2] https://wiki.ubuntu.com/UEC/Images/NamingConvention
[3] https://wiki.ubuntu.com/StableReleaseUpdates#Verification

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High load averages on Lucid while idling
https://bugs.launchpad.net/bugs/574910
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