2015/09/11 10:24:40 map[time:{ S: "2015-07-15T05:16:41Z" } id:{ S: "c3013be8-2ab0-11e5-85aa-0ac2c1c67fe7" }] count : 0 item : 2015-07-15T05:16:24Z
count : 437175 item : 2015-06-16T08:38:50Z
count : 437176 item : 2015-07-15T05:16:21Z
count : 437177 item : 2015-07-15T05:16:17Z
scan output: 205
2015/09/11 10:20:33 -------scan end--------
2015/09/11 10:20:33 start time: 2015-09-11 10:15:37.912056211 +0900 JST
2015/09/11 10:20:33 end time: 2015-09-11 10:20:33.847234992 +0900 JST