youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/elasticsearch/node_stats/_meta/docs.asciidoc

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The `node_stats` metricset interrogates the
https://www.elastic.co/guide/en/elasticsearch/reference/master/cluster-nodes-stats.html[Cluster API endpoint] of
Elasticsearch to get the cluster nodes statistics. The data received is only for the local node so this Metricbeat has
to be run on each Elasticsearch node.
NOTE: The indices stats are node-specific. That means for example the total number of docs reported by all nodes together is not the total number of documents in all indices as there can also be replicas.