After upgrading to Satellite 5.5, satellite-sync is now much slower to complete

Issue

• satellite-sync with Satellite 5.5:

    Import complete:
        Begin time: Thu Sep 27 08:37:42 2012
        End time:   Thu Sep 27 11:47:29 2012
        Elapsed:    3 hours, 9 minutes, 46 seconds

Before upgrade:

    Import complete:
        Begin time: Thu Sep 20 02:30:47 2012
        End time:   Thu Sep 20 02:35:57 2012
        Elapsed:    0 hours, 5 minutes, 10 seconds