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https://issues.apache.org/jira/browse/STORM-899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Kellogg updated STORM-899:
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Component/s: storm-core
> CPU/Memory/Network metrics collection
> -------------------------------------
>
> Key: STORM-899
> URL: https://issues.apache.org/jira/browse/STORM-899
> Project: Apache Storm
> Issue Type: New Feature
> Components: storm-core
> Reporter: Robert Joseph Evans
>
> There are many use cases where it would be great to know how much
> memory/cpu/network a particular bolt/spout is using, and how much of that
> network is being used to send data to specific bolt instances downstream.
> This can be used to improve the scheduling of a topology, and also to provide
> automatic elasticity to a topology.
> Collecting these metrics is not too difficult, but being able to get them on
> a per bolt.spout basis is difficult. Perhaps STORM-891 will make it simple
> for us to support this.
> These metrics should flow back to nimbus.
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