Elastic is failing to start with error Failed to parse mappings for index

Elasticsearch fail to start with following error

Error1 : Failed to parse mappings for index [[atlaslog_latest/CwYSy1IAT9upXlq7inaeJg]]

Error2:
unexpected exception while waiting for http server to close

I see root disc is almost full. anyone who know how to delete unused index to free some space

Hi @ermisma,

These two guides may be helpful here: