Add segment,field level binlog size summary (#231)

add FieldBinlog size & Segment Binlog size summary output for detailed
table view

Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>

Author: congqixia

states/etcd/show/segment.go

@@ -160,6 +160,7 @@ func PrintSegmentInfo(info *models.Segment, detailBinlog bool) {
 			return info.GetBinlogs()[i].FieldID < info.GetBinlogs()[j].FieldID
 		})
 		for _, log := range info.GetBinlogs() {
+			var fieldLogSize int64
 			fmt.Printf("Field %d:\n", log.FieldID)
 			for _, binlog := range log.Binlogs {
 				fmt.Printf("Path: %s\n", binlog.LogPath)
@@ -169,8 +170,11 @@ func PrintSegmentInfo(info *models.Segment, detailBinlog bool) {
 					binlog.LogSize, binlog.EntriesNum,
 					tf.Format(tsPrintFormat), tt.Format(tsPrintFormat))
 				binlogSize += binlog.LogSize
+				fieldLogSize += binlog.LogSize
 			}
+			fmt.Println("--- Field Log Size:", hrSize(fieldLogSize))
 		}
+		fmt.Println("=== Segment Total Binlog Size: ", hrSize(binlogSize))
 
 		fmt.Println("**************************************")
 		fmt.Println("Statslogs:")