In the guide for tuning for disk usage, it states:
text fields also store frequencies and positions in the index by default. Frequencies are used to compute scores and positions are used to run phrase queries. If you do not need to run phrase queries, you can tell Elasticsearch to not index positions
"index_options": "freqs" to the fields's settings. The relevant guide for this option, has a more "simple" setting:
docs. If I don't care about frequencies either, will a save more space by adding
It isn't clear which queries are affected when I change the index option. Only those which has
match_phrase filter? Every query? Do I get an error messages when executing a query on a field where the option is changed?