创建es索引{"acknowledged"=>true, "shards_acknowledged"=>false}

[2018-05-19T13:13:09,411][INFO ][o.e.c.r.a.DiskThresholdMonitor]

[node1] low disk watermark [85%] exceeded on

[nwE2AxhPS2qdAXxN4o9Hyg][node3]

[D:\ElasticStack\elasticsearch-5.5.1-node3\data\nodes\0] free: 9.9gb[10.1%],

replicas will not be assigned to this node

其实，是硬盘空间少了；