Elasticsearch: HOW-TO delete a (cluster) setting
Resetting persistent or transient settings can be done by assigning a null value.Refer: https://www.elastic.co/guide/en/elasticsearch/reference/5.5/cluster-update-settings.htmlin your case it would bePUT /_cluster/settings{ "persistent" : { "indices.store.throttle.max_bytes_per_sec" : null }}
Per documentation this is now (Elasticsearch 5.5) possible via the following:
Resetting persistent or transient settings can be done by assigning a null value.
See https://www.elastic.co/guide/en/elasticsearch/reference/5.5/cluster-update-settings.html
alright. i found how to delete a persistent setting:you go to the defined data path of the master node,more specifically, nodes/0/_state (in my case) and you delete the global state file. then restart elasticsearch.