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https://issues.apache.org/jira/browse/EAGLE-654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hao Chen resolved EAGLE-654.
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Resolution: Fixed
> Fix alert engine open metric system per tuple
> ---------------------------------------------
>
> Key: EAGLE-654
> URL: https://issues.apache.org/jira/browse/EAGLE-654
> Project: Eagle
> Issue Type: Bug
> Affects Versions: v0.5.0
> Reporter: Hao Chen
> Assignee: Hao Chen
> Fix For: v0.5.0
>
>
> Currently alert engine open metric system per tuple which will waste
> connection and throughput:
> https://github.com/apache/incubator-eagle/blob/master/eagle-core/eagle-alert-parent/eagle-alert/alert-engine/src/main/java/org/apache/eagle/alert/engine/runner/AlertBolt.java#L131
> In order to export metric in eagle, app developer (including alert engine)
> should never touch MetricSystem directly but should use storm native metric
> framework to declare and update metric, and eagle framework will
> automatically receive metrics and export as configured.
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