Interpretation of right data give you a lot of insights, and how to fetch those data plays an important role, Here we are going to see how to use _stats API to retrieve stats data.
This API presents you with lots of data and interpreting the data and creating a meaning out of it, comes with right learning.
We are mainly going to focus on getting specific data from _stats.
Objects from _stats output can be divided in 3 groups:
- Indexing includes ==> indexing, merge, refresh, flush, fielddata, segments, translog
- Searching includes ==> get, search, query_cache, request_cache
- others ==> docs, store, warmer, completion, recovery
Instead of blindly typing
<my-index>/_stats it is very important to access specific data and limited data to focus on interpretation.
To know about indexing, try