read keepAlive to avoid useless warning: 'lease keepalive response qu…

…eue is full; dropping response send'

Signed-off-by: DengXiewei <[email protected]>

database/kv/etcd/v3/client.go

@@ -420,6 +420,12 @@ func (c *Client) keepAliveKV(k string, v string) error {
 		return perrors.New("keep alive lease")
 	}
 
+	// read keepAlive to avoid useless warning: 'lease keepalive response queue is full; dropping response send'
+	go func() {
+		for range keepAlive {
+		}
+	}()
+
 	_, err = rawClient.Put(c.ctx, k, v, clientv3.WithLease(lease.ID))
 	return perrors.WithMessage(err, "put k/v with lease")
 }