On Sun, Jul 11, 2010 at 02:32:50AM +0400, Kirill Korotaev wrote: > a. We really had a huge problem in the past with lots of containers on i686 > with >>8GB RAM when Normal zone could > get exhausted due to kernel allocations. So it was not a hack for enterprisy > Apps,
I think it was for Red Hat, you just found a different use for it. :-) IIRC, they primarily cared about the user address space increase from 3 GB to 4 GB (yes, that little thing), whereas you've benefited from the kernel address space increase. > but rather a feature allowing > to increase containers density (due to 3.5Gb Normal zone). Fortunately, all > machines support 64bit nowdays and it can be dropped. > RHEL5 branch will be the last to support it. > b. Performance impact of -ent kernel is less then 20% on web applications. > It's not that bad price taking into account > that it allows to run up to 4x times more containers. Thank you for explaining this. It makes sense to me now. Alexander _______________________________________________ Users mailing list [email protected] https://openvz.org/mailman/listinfo/users
