October 2019
Beginner
186 pages
5h 39m
English
Content preview from Elasticsearch 7 Quick Start Guide
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Cluster state
The cluster state retrieves information about the comprehensive state of the cluster. Using the following query, we can retrieve the cluster state:
GET _cluster/state
The cluster state query can be filtered using response filters, such as the following:
GET /_cluster/state/{metrics}/{indices}
In the preceding query, each filter depends on the number of shards and indices in the mapping. The metrics can be a list of metrics separated by commas, such as the following:
- The version phrase retrieves the version of the cluster state.
- The master_node phrase returns the elected master node part of the response.
- The nodes phrase returns the elected nodes part of the response.
- The routing_table phrase returns the routing table part ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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