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https://issues.apache.org/jira/browse/STORM-3574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bipin Prasad closed STORM-3574.
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Resolution: Not A Problem
> Rebalance should re-computeExecutors so metrics consumers can be added
> ----------------------------------------------------------------------
>
> Key: STORM-3574
> URL: https://issues.apache.org/jira/browse/STORM-3574
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-server
> Affects Versions: 2.1.0
> Reporter: Bipin Prasad
> Assignee: Bipin Prasad
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Since metrics consumers are a system component and dynamically adding them
> should be possible with simple configuration change
> _topology.metrics.consumer.register_. Currently the _computeExecutors_ or
> more precisely - _StormCommon#startTaskInfo_ which evaluates this variable is
> only invoked during _startTopology_ , the rebalance functionality is not
> starting newer tasks.
> We need to ensure rebalance recalculates the idToExecutors again - hopefully
> only adding new tasks for added executors without removing old ids.
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