subscription start from specified timestamp

weed/mq/broker/broker_grpc_sub.go

@@ -38,11 +38,9 @@ func (b *MessageQueueBroker) Subscribe(req *mq_pb.SubscribeRequest, stream mq_pb
 	}()
 
 	ctx := stream.Context()
-	var startTime time.Time
+	startTime := time.Now()
 	if startTs := req.GetInit().GetStartTimestampNs(); startTs > 0 {
 		startTime = time.Unix(0, startTs)
-	} else {
-		startTime = time.Now()
 	}
 
 	localTopicPartition.Subscribe(clientName, startTime, func() bool {

weed/mq/client/cmd/weed_sub/subscriber.go

@@ -30,7 +30,7 @@ func main() {
 		Namespace: *namespace,
 		Topic:     *topic,
 		Filter:    "",
-		StartTime: time.Unix(0, 0),
+		StartTime: time.Unix(1, 1),
 	}
 
 	processorConfig := sub_client.ProcessorConfiguration{