curl -XPUT 'http://localhost:9200/_cluster/settings' -H "Content-Type: application/json" -d '{ "persistent" : { "cluster.routing.allocation.disk.threshold_enabled" : false } }'
curl -XPUT 'http://localhost:9200/_all/_settings' -H "Content-Type: application/json" -d '{ "index.blocks.read_only_allow_delete": null }'