> @paelzer Are you happy to adjust your regression testing/metrics gathering to > increase the > memory required knowing that it was a conscious decision to switch kernel and > incur the > performance hit for the benefit of using a kernel with more support and less > reported bugs?
I am. In fact I already have. To be clear, I knew that the change from -kvm to -virtual was a conscious decision (I do not even know how long back I heard xnox talking about it, many years for sure) fixing the many issues xnox mentioned. I just never heard anyone saying or suggesting - and personally didn't expect it to be - that very intense on low-memory / density scenarios. I'd be happy if everyone here could continue the thought of checking if any further package/module could be omitted (or at least not auto- loaded) for the minimal images. Which should tune us back down a bit, even if that is not all the way to where we were before. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2032933 Title: Mantic (23.10) minimal images increase in memory consumption, port usage and processes running Status in cloud-images: Confirmed Status in linux package in Ubuntu: Confirmed Bug description: The Mantic (Ubuntu 23.10) images are undergoing some big changes prior to 23.10 release in October. This is a devel release so this is the perfect time to be making these changes but we are noticing some changes that were not expected. This bug is to track the unexpected changes and discuss/resolve these. The changes that have been made to mantic minimal: * Move to the linux-generic kernel from the linux-kvm kernel * This also involved removal of the virtio-blk driver, which is the default for QEMU and OpenStack, but this is being restored in an upcoming 6.5 mantic kernel and is being trakced @ https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2030745 * Move to using minimal-cloud seed - see https://ubuntu-archive-team.ubuntu.com/seeds/ubuntu.mantic/cloud-minimal * No longer installing Recommends packages * No initramfs fallback for boot - only initramfsless boot The latest mantic minimal images are available @ http://cloud- images.ubuntu.com/minimal/daily/mantic/ and are also available in the public clouds. A package name manifest diff can be seen @ https://pastebin.ubuntu.com/p/rRd6STnNmK/ We have had reports of higher memory usage on an idle system, higher number of ports open on an idle system and higher number of process running on a idle system. To help with debugging I have built and uploaded the following images and package manifests to https://people.canonical.com/~philroche/20230824-manticl-minimal- LP2032933/ * 20230618-before-kernel-change-before-seed-change-mantic-minimal-cloudimg-amd64 * Before kernel change and before seed change * 20230824-after-kernel-change-before-seed-change-mantic-minimal-cloudimg-amd64 * After kernel change and before seed change * 20230821.1-after-kernel-change-after-seed-change-mantic-minimal-cloudimg-amd64 * After kernel change and after seed change To manage notifications about this bug go to: https://bugs.launchpad.net/cloud-images/+bug/2032933/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
