Show how to:
Nest an aggregation inside another aggregation. Run aggregations within a query context.
Create arrays of objects within an index and query them independently of each other.
Default object mapping won't work as you can see here.
Demo bucket aggregations - terms.
Demo multi value metric aggregations: stats and extended stats.
Give code to demo Sum, Avg, Min, Max, Count and Cardinality metric aggregations.
Give examples for basic term level queries.
Provide steps to install and configure Elasticsearch and kibana in local.
If you are getting started with Elasticsearch I strongly recommend getting started on the free trial available at Elastic Cloud, and skip this recipe. You may also use the Amazon ES free tier if you already have an AWS free tier account. However, for any reason you want to install and configure Elasticsearch in your local machine, you may continue with this recipe.
Do aggregations over nested objects.
Use named queries for debugging bool queries.
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CloudMaterials is my blog to share notes and learning materials on Cloud and Data Analytics. My current focus is on Microsoft Azure and Amazon Web Services (AWS).
I like to write and I try to document what I learn to share with others. I believe that knowledge is useless unless you share it; the more you share, the more you learn.
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