MB-100: add reb out large conf

Change-Id: I983f207daefee47692e7c03e1903a6915306895b
Reviewed-on: http://review.couchbase.org/24347
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Ronnie Sun <ronnie@couchbase.com>
Tested-by: Ronnie Sun <ronnie@couchbase.com>