Open Stack

Hi, I'd like you to take a look at this patch for potential
DocImpact.
https://review.openstack.org/22163

Log:
commit de09aa254f647dc0dab0cd67c0ed26e093df180a
Author: Chris Behrens <cbehrens at codestud.com>
Date:   Mon Feb 18 04:00:38 2013 +0000

    Move DB thread pooling to DB API.
    
    The eventlet db_pool wrapping done in sqlalchemy is wrong.  It needs to
    be around the whole DB API call.
    
    Fixes bug 1128605
    
    Syncs nova with the fix in oslo.  Moves nova to use the oslo version of
    db/api.py to import the DB API implementation.
    
    Renames configuration option sql_dbpool_enable to dbapi_use_tpool
    
    NOTE: tpool will not work without a fix to eventlet for Threads + locking.
    
    DocImpact
    
    Change-Id: I6c75b6138d38d12261d133f2cb2f5e59c667f837