truncate lag digits

Author: Shlomi Noach

go/logic/migrator.go

@@ -960,7 +960,7 @@ func (this *Migrator) printStatus(rule PrintStatusRule, writers ...io.Writer) {
 
 	currentBinlogCoordinates := *this.eventsStreamer.GetCurrentBinlogCoordinates()
 
-	status := fmt.Sprintf("Copy: %d/%d %.1f%%; Applied: %d; Backlog: %d/%d; Time: %+v(total), %+v(copy); streamer: %+v; Lag: %+vs, State: %s; ETA: %s",
+	status := fmt.Sprintf("Copy: %d/%d %.1f%%; Applied: %d; Backlog: %d/%d; Time: %+v(total), %+v(copy); streamer: %+v; Lag: %.2fs, State: %s; ETA: %s",
 		totalRowsCopied, rowsEstimate, progressPct,
 		atomic.LoadInt64(&this.migrationContext.TotalDMLEventsApplied),
 		len(this.applyEventsQueue), cap(this.applyEventsQueue),