CBQE-0 add debug log for getr

Change-Id: Ic94319e833e98687b5730794d365ec1cee4e7f6b
Reviewed-on: http://review.couchbase.org/26387
Reviewed-by: Deepkaran Salooja <deepkaran.salooja@globallogic.com>
Tested-by: Deepkaran Salooja <deepkaran.salooja@globallogic.com>