def enable_memcache(source=None, release=None, package=None):
    """Determine if memcache should be enabled on the local unit

    @param release: release of OpenStack currently deployed
    @param package: package to derive OpenStack version deployed
    @returns boolean Whether memcache should be enabled
    """
    _release = None
    if release:
        _release = release
    else:
        _release = os_release(package, base='icehouse')
    if not _release:
        _release = get_os_codename_install_source(source)

    return CompareOpenStackReleases(_release) >= 'mitaka'