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https://issues.apache.org/jira/browse/STORM-2006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15418341#comment-15418341
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ASF GitHub Bot commented on STORM-2006:
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Github user harshach commented on the issue:

    https://github.com/apache/storm/pull/1595
  
    @HeartSaVioR I would like to see this merged into 1.x-branch. Given 
suggestions here can you make the changes , introducing IAggregatedMetrics 
interface and leave the existing the interface as it is.


> Storm metrics feature improvement: support per-worker level metrics 
> aggregation
> -------------------------------------------------------------------------------
>
>                 Key: STORM-2006
>                 URL: https://issues.apache.org/jira/browse/STORM-2006
>             Project: Apache Storm
>          Issue Type: Improvement
>          Components: storm-core
>    Affects Versions: 1.1.0
>            Reporter: Jungtaek Lim
>            Assignee: Jungtaek Lim
>
> Storm provides per-task level metrics which could be huge when topology has a 
> number of tasks. 
> Task level metric is useful for determining load balance between tasks, but 
> it doesn't need to be time-series fashion.
> Before introducing topology level component like TopologyMaster for JStorm, 
> we can utilize SystemBolt to aggregate task level metrics to per-worker level 
> metrics.
> We should provide options and this feature should be turned off by default to 
> keep backward compatibility. 



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