"Title:","'review.openstack.org - Used Space - /home/gerrit2'" "Vertical Label:","'bytes'" "Start Date:","2019-10-16 00:00:00" "End Date:","2019-10-23 00:00:00" "Step:","86400" "Total Rows:","7" "Graph ID:","2839" "Host ID:","3" "" "Date","Total","Used" "1970-01-01 00:00:00","NaN","NaN" "1970-01-01 00:00:00","NaN","NaN" "1970-01-01 00:00:00","NaN","NaN" "1970-01-01 00:00:00","NaN","NaN" "1970-01-01 00:00:00","NaN","NaN" "1970-01-01 00:00:00","NaN","NaN" "1970-01-01 00:00:00","NaN","NaN"