Since we are using elasticsearch as a backend is it safe to use mysql for backup purpose?

Since we are using elasticsearch as a back end is it safe to use mysql for backup purpose?

there is an elasticsearch api on snapsot and restore.. https://www.elastic.co/guide/en/elasticsearch/reference/1.6/modules-snapshots.html is this what you are looking for?

No, i have checked snapshot but its not the case in my usecase. I want to use mysql