We don't need a ton of decimals... make it readable

Change-Id: I8574169519a75450b4f3490aee851fec21948df1
Reviewed-on: http://review.couchbase.org/40885
Tested-by: buildbot <build@couchbase.com>
Reviewed-by: Volker Mische <volker.mische@gmail.com>
Reviewed-by: Tommie McAfee <tommie@couchbase.com>