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https://issues.apache.org/jira/browse/STORM-2156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16346903#comment-16346903
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Aaron Gresch commented on STORM-2156:
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I think we're targeting 2.x at this point.  

> Add RocksDB instance in Nimbus and write heartbeat based metrics to it
> ----------------------------------------------------------------------
>
>                 Key: STORM-2156
>                 URL: https://issues.apache.org/jira/browse/STORM-2156
>             Project: Apache Storm
>          Issue Type: Improvement
>            Reporter: Alessandro Bellina
>            Assignee: Aaron Gresch
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> There should be a RocksDB instance in Nimbus where we write metrics from the 
> heartbeats. This should allow us to replace storage for the statistics we see 
> in the UI and expand the abilities of UIs to allow for time series charting.
> Eventually this data will likely come via thrift to Nimbus as the overall 
> metric system is overhauled. 



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