Hao Chen created EAGLE-654:
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Summary: 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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