On 06/11/2010 11:08 AM, Gordan Bobic wrote: > On 06/11/2010 09:57 AM, Daniel Lezcano wrote: >> On 06/10/2010 10:54 PM, Gordon Henderson wrote: >>> On Thu, 10 Jun 2010, John Drescher wrote: >>> >>> >>>> BTW, a second option is lessfs. >>>> >>>> http://www.lessfs.com/wordpress/?page_id=50 >>>> >>> What about the KSM kernel option? It's aimed at KVM I think and in the >>> kernel from 2.6.32. See: >>> >>> http://lwn.net/Articles/306704/ >>> and >>> http://lwn.net/Articles/330589/ >>> >>> Not sure if that could be used to help here - it seems a bit of a >>> retrospective way to find data duplications - assuming we could enable it >>> for whole containers... >>> >> >> KSM is enabled on my ubuntu 10.04. When I do a compilation, ksm takes >> more cpu than the compilation itself and is always eating 10-30% of my >> cpu (Intel(R) Core(TM)2 Duo CPU T9500 @ 2.60GHz). So I disabled it >> definitively ... > > Are you saying that KSM is performing memory de-duplication on bare > metal, rather than inside a KVM VM? That can't be right. > > My guess that you have it misconfigured to be scanning the memory too > frequently and it's spinning empty?
Yes, I think it is probable. I didn't tune the ubuntu default settings. ------------------------------------------------------------------------------ ThinkGeek and WIRED's GeekDad team up for the Ultimate GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the lucky parental unit. See the prize list and enter to win: http://p.sf.net/sfu/thinkgeek-promo _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users