如果elasticsearch删除索引报错

curl -X DELETE 'http://10.73.26.66:9200/httpd-34-2017.08.15'

{"error":{"root_cause":[{"type":"illegal_argument_exception","reason":"text is empty"}],"type":"illegal_argument_exception","reason":"text is empty"},"status":400}

是因为你使用是root删除，要用elasticsearch删除，这种情况多为rpm形式安装

删除命令如下：

sudo -u elasticsearch sh -c "curl -XDELETE 'http://10.73.26.66:9200/httpd-34-*'"

{"acknowledged":true}

返回acknowledge为成功

查看索引命令

sudo -u elasticsearch sh -c "curl -X  GET http://10.73.26.66:9200/_cat/indices"

注：集群只要在其中一台删除即可