Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/29464

Log:
commit cf691041c98b6934a7f4bc0c2a442e75e6cc7f7e
Author: Michael Wilson <geekinutah at gmail.com>
Date:   Thu May 16 18:51:41 2013 -0600

    Add a slave db handle for the SQLAlchemy backend.
    
    Adds a the option for a slave DB connection for scaling
    purpose. Read queries can be sent here to spread out
    db load a bit. This patch adds a new configuration option:
    slave_connection.
    
    Implements: blueprint db-slave-handle
    Change-Id: I5cc5e0696e3fcd8609ee6b5466b0377ca52b8b58
    DocImpact