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https://issues.apache.org/jira/browse/EAGLE-526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wujinhu closed EAGLE-526.
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Resolution: Resolved
> aggregation framework for mr history jobs
> -----------------------------------------
>
> Key: EAGLE-526
> URL: https://issues.apache.org/jira/browse/EAGLE-526
> Project: Eagle
> Issue Type: New Feature
> Reporter: wujinhu
> Assignee: wujinhu
>
> Please review https://github.com/apache/incubator-eagle/pull/419 first.
> This is the second step of the aggregation framework. This step uses results
> of the job metrics by each minute that generated by the first step.
> The framework is a storm topology. The spout decides which time range of job
> metrics needs to be aggregated, divide the time range into several pieces(For
> example, each piece is one hour) and emits these pieces to aggregate bolts.
> The aggregate bolts aggregate the time range piece of job metrics that the
> spout assigns to them.
> In aggregate bolts, they fetch job metrics by eagle server api and write the
> aggregate results back to eagle server.
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