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Posted to dev@ambari.apache.org by "Dmytro Sen (JIRA)" <ji...@apache.org> on 2015/01/19 17:25:36 UTC
[jira] [Resolved] (AMBARI-8973) Add precision option support to
Ambari Metrics API
[ https://issues.apache.org/jira/browse/AMBARI-8973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmytro Sen resolved AMBARI-8973.
--------------------------------
Resolution: Fixed
Committed to trunk
> Add precision option support to Ambari Metrics API
> --------------------------------------------------
>
> Key: AMBARI-8973
> URL: https://issues.apache.org/jira/browse/AMBARI-8973
> Project: Ambari
> Issue Type: Task
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Fix For: 2.0.0
>
>
> Modify AMS API layer to switch precision level based on query window.
> E.g.: Any query > 1 hour should get data from the 5 minute aggregate table unless user provides a precision parameter.
> -startTime - endTime = 1 day OR precision = minutes
> implies query => 5 minute table
> -startTime - endTime = 3 hours and precision = seconds
> implies query => minute table (METRIC_RECORD)
> So, effectively we are just using the precision as guidance paramete
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