Question

How Are The Index Updates?

Answer 1

Change specific index level settings in real time.

The REST endpoint is /_settings (to update all indices) or {index}/_settings to update one (or more) indices settings. The body of the request includes the updated settings, for example:

The list of per-index settings which can be updated dynamically on live indices can be found in Index modules. To preserve existing settings from being updated, the preserve_existing request parameter can be set to true.