问题:FORBIDDEN/12/index read-only / allow delete (api)
curl -XPUT -H "Content-Type: application/json" http://127.0.0.1:9200/_all/_settings -d '{"index.blocks.read_only_allow_delete": null}'
注意:http://127.0.0.1:9200要根据自己的ip和端口来更改,再执行命令。