Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/19823

Log:
commit 50aa6530108085c32cd91d8deb3c0199876f5c3d
Author: John Herndon <john.herndon at hp.com>
Date:   Wed Jan 16 16:56:44 2013 +0000

    filter_scheduler: Select from a subset of hosts.
    
    Adding a subset of best hosts to choose a host from, instead
    of choosing the host with the highest weight. The subset size is
    configurable. Setting the subset size to 1 will mimic the old
    behavior.
    
    DocImpact
    
    Change-Id: Icc6f8a7ca7cf992d99b872a45e241f13fa6e1536
    Fixes: bug 1098635