Example of Response to a Request Sent to GET /_cat/allocation?vĮlastic Stack Features (formerly X-Pack) is the current Elastic extension which handles monitoring of the stack, along with other functions such as security, alerting and reporting. If you’re not entirely comfortable handling JSON responses, the Elastic team also provides a collection of cat APIs which provide similar data, but in a more user-friendly format. Example of Response to a Request Sent to GET _cluster/health The endpoints you can call and example queries and responses are well-documented in the Elasticsearch Reference.įig. It is advisable to collect metrics in a different cluster, especially if you’re operating an Elasticsearch cluster in production.Įlasticsearch has a comprehensive API which you can query, and receive information about the health of the cluster, nodes, and tasks. Each component within this stack is responsible for monitoring itself and reporting the results to the Elasticsearch cluster which is responsible for monitoring. Elastic Monitoring with the Stats API and KibanaĮlasticsearch is the primary data source component in a collection of products called the Elastic Stack.We’re going to look at some of the most popular open-source monitoring tools available for use today, and compare them against the characteristics we listed above. Delegating the task of monitoring your clusters to a tool frees you and your engineers to focus on innovating and improving your software offerings, trusting that your monitoring tool will notify you if you need to resolve any problems with your cluster. Of all the features mentioned above, automation is the most important. Integrations with communication systems like Slack, and incident management systems like PagerDuty.Automated monitoring of health with anomaly detection and alerting of undesirable behavior.Visual indicators of system health through dashboards and graphs.Once the tool has gathered these metrics, we need it to leverage them to provide: Elasticsearch-specific metrics like request latency, indexing rate, merges and refreshes, cluster health, and node availability and usage.
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