I am upgrading my ELK stack from 6.8 version to 7.5. While upgrading, I am getting following error in elasticsearch :
"Validation Failed: 1: this action would add  total shards, but this cluster currently has / maximum shards open;"
I tried to increase the shard limit by adding below line in elasticsearch.yml file :
But even after restarting the elasticsearch service, settings are not reflecting and it shows same error.