I am surprised, that's possible since any version I've been working with (0.12x and up). What you cannot do is control that via client (e.g. "this index reques

I am surprised, that's possible since any version I've been working with (0.12x and up). What you cannot do is control that via client (e.g. "this index request uses the chinese analyzer for that field only"), because the analyzer setting in the index request overwrites all other configs. Mappings supported that for a long time. One of the arts of search optimization on Elasticsearch is finding fields that you want to index multiple times with different analyzers and combine in a clever fashion.