October 2019
Beginner
186 pages
5h 39m
English
Content preview from Elasticsearch 7 Quick Start Guide
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Min bucket aggregation
A sibling type of aggregation, this identifies the buckets that contain the minimum value of a specific metric from a sibling aggregation. It outputs the value and key for the buckets. The metric has to be numeric, and the sibling aggregation must be a multi-bucket aggregation. It has the following syntax:
{ "min_bucket": { "buckets_path": "the_sum" }}
It takes the following parameters:
- buckets_path: The path to the buckets that are used to find the minimum
- gap_policy: The policy to be taken when there are gaps in the database
- format: The type of format the output value will have
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