unnecessary

weed/mq/broker/broker_grpc_sub.go

@@ -175,12 +175,10 @@ func (b *MessageQueueBroker) FollowInMemoryMessages(req *mq_pb.FollowInMemoryMes
 	atomic.StoreInt32(&localTopicPartition.FollowerId, followerId)
 
 	glog.V(0).Infof("FollowInMemoryMessages %s connected on %v %v", clientName, t, partition)
-	isConnected := true
 	sleepIntervalCount := 0
 
 	var counter int64
 	defer func() {
-		isConnected = false
 		glog.V(0).Infof("FollowInMemoryMessages %s on %v %v disconnected, sent %d", clientName, t, partition, counter)
 	}()
 
@@ -200,9 +198,6 @@ func (b *MessageQueueBroker) FollowInMemoryMessages(req *mq_pb.FollowInMemoryMes
 	var prevFlushTsNs int64
 
 	_, _, err = localTopicPartition.LogBuffer.LoopProcessLogData(clientName, startPosition, 0, func() bool {
-		if !isConnected {
-			return false
-		}
 		sleepIntervalCount++
 		if sleepIntervalCount > 32 {
 			sleepIntervalCount = 32