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https://issues.apache.org/jira/browse/NIFI-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15379556#comment-15379556
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ASF subversion and git services commented on NIFI-2194:
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Commit afc038d2c021d224d575ad4bbb05a7840d679bb7 in nifi's branch
refs/heads/master from [~bbende]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=afc038d ]
NIFI-2194 This closes #659. Caching metrics in AmbariReportingTask so each
iteration sends last iteration's metrics
> 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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