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Posted to issues@storm.apache.org by "Bipin Prasad (Jira)" <ji...@apache.org> on 2020/02/06 14:45:00 UTC

[jira] [Created] (STORM-3574) Rebalance should re-computeExecutors so metrics consumers can be added

Bipin Prasad created STORM-3574:
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             Summary: 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


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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