I want to clear around 2000 unused fields in a kibana index pattern and I was wondering wich of the following two approaches should I take:
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deleting all of the fields and then only the used fields will be recreated by the index pattern
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going over all the 9000 fields and looking for the unused ones and delete them afterwards
the first approach is a lot more easier however I'm not very sure since I'm new to ELK and thanks for the help