On 07/16/2014 09:39 PM, Serge Hallyn wrote > I've personally not seen it, and noone on my team, who use a lot of > kvm instances, has seen it. Our two current theories are that (a) it > has to do with ksm page migration across numa-nodes, or (b) it has to > do with a race with transparent hugepages versus ksm. For (b) there is > already a commit in Linus' tree (f72e7dcd). For (a), you can probably
Are you referring to this or a different one? https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1323165 > test by setting /sys/kernel/mm/ksm/merge_across_nodes to 0. (We are > trying these as well, but as the testcases are not 100% positive > it'd be good to have you try as well) It's 1 now. Do you you want me to set it now or wait to the result of KSM_ENABLED=0? I'm not familiar enough with these settings. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1341195 Title: KVM guests getting slow by time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1341195/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
