Elasticsearch : Difference between "Range filter" and "Numeric range Filter" -

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Apart from the fact that one is specifically for numerical values, how docs are executed internally :

:

... Works by loading all related fields in memory and checking related docs, if they meet the boundary requirements More storage is required.

:

2 performance options are: (i) index (reverse) Indicator) (ii) field data (load field data

question:

  1. what's the fielddata option Range filter treats similar to numerical category filter
  2. Why is there no index option in numerical category filter ?
  3. Documents say that index performance for small categories is fast : what small was considered here If someone can explain it with an example, then actually help

numeric range filter is excluded, "This filter performance mode will be removed at some point in time in favor of the range filter with the mode data."

I think that " Small "is relative to the whole range of values ​​for him. "Small" means you have to define yourself through benchmarking, because performance depends on how much memory is allocated in the elastic search and the type of data stored in the area.


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