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https://issues.apache.org/jira/browse/AMBARI-16412?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated AMBARI-16412:
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Description:
Adding TopN support to AMS API
Following are supported.
Top "N" hosts when 1 metric is requested for "H" hosts.
Top "N" metrics when "M" metrics (or a pattern) are requested for 0 or 1 hosts.
Default TopN Hosts when More than a specific value of hosts are requested.
Default = 20. Configurable through ams-site config.
> [AMS / Grafana] Support TopN queries for big clusters >100 nodes
> ----------------------------------------------------------------
>
> Key: AMBARI-16412
> URL: https://issues.apache.org/jira/browse/AMBARI-16412
> Project: Ambari
> Issue Type: Task
> Components: ambari-metrics
> Affects Versions: 2.2.2
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Fix For: 2.4.0
>
> Attachments: AMBARI-16412.patch
>
>
> Adding TopN support to AMS API
> Following are supported.
> Top "N" hosts when 1 metric is requested for "H" hosts.
> Top "N" metrics when "M" metrics (or a pattern) are requested for 0 or 1
> hosts.
> Default TopN Hosts when More than a specific value of hosts are requested.
> Default = 20. Configurable through ams-site config.
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