Nếu bạn bị lỗibut this cluster currently has [1000]/[1000] maximum shards open
tham khảo link bên dưới
https://www.elastic.co/guide/en/elasticsearch/reference/current/size-your-shards.html#_this_action_would_add_x_total_shards_but_this_cluster_currently_has_yz_maximum_shards_open