[jira] [Resolved] (NIFI-2194) AmbariReportingTask should cache metrics

["Joseph Witt (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph Witt resolved NIFI-2194.
-------------------------------
    Resolution: Fixed

> AmbariReportingTask should cache metrics
> ----------------------------------------
>
>                 Key: NIFI-2194
>                 URL: https://issues.apache.org/jira/browse/NIFI-2194
>             Project: Apache NiFi
>          Issue Type: Improvement
>    Affects Versions: 0.6.1
>            Reporter: Bryan Bende
>            Assignee: Bryan Bende
>            Priority: Minor
>             Fix For: 1.0.0
>
>
> The Ambari Metrics Collector expects clients to perform some amount of caching/aggregation before sending metrics. This is typically done by using the TimelineMetricsCache provided in ambari-commons. The AmbariReportingTask should use this to properly send metrics.
> In addition many applications sending metrics extend AbstractTimelineMetricsSink [1]. It is not required to do so, but may be useful here.
> [1] https://github.com/apache/ambari/blob/trunk/ambari-metrics/ambari-metrics-common/src/main/java/org/apache/hadoop/metrics2/sink/timeline/AbstractTimelineMetricsSink.java



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