查看ES整体状态 GET _cluster/health 查看各个节点状态 GET _cat/nodes?v 查看各节点硬盘情况 GET _cat/allocation?v 查看所有索引 GET _cat/indices?v 打开所有索引 POST _all/_open 关闭所有索引 POST _all/_close 查看线程状态 GET _cat…