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ElasticSearch Agent and Memory metrics

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Article ID: 209078

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Updated On:

Products

CA Application Performance Management (APM / Wily / Introscope)

Issue/Introduction

How are the OS related metrics are collected using ElasticSearch Agent? 

Total: Elasticsearch|Cluster|es-cluster-verify-workflow|Nodes|es-cluster-verify-workflow-es-master-1|OS|Memory:Total (GB)
236
Total: Elasticsearch|Cluster|es-cluster-verify-workflow|Nodes|es-cluster-verify-workflow-es-master-0|OS|Memory:Total (GB)
503
Total: Elasticsearch|Cluster|es-cluster-verify-workflow|Nodes|es-cluster-verify-workflow-es-master-2|OS|Memory:Total (GB)
236

 

Cause

Lack of documentation 

Environment

Release : 20.2

Component : APM Agents

Resolution

The Memory or OS related metrics are collected using below Elasticsearch RestAPI
    
    http://<ELASTICSEARCH_SERVICE_URL>:<ELASTICSEARCH_PORT>/_nodes/stats
    
 

Additional Information

  We can get more info for these metrics from

https://www.elastic.co/guide/en/elasticsearch/reference/current/cluster-nodes-stats.html

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