Mark Payne created NIFI-543:
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             Summary: Provide extensions a way to indicate that they can run 
only on primary node, if clustered
                 Key: NIFI-543
                 URL: https://issues.apache.org/jira/browse/NIFI-543
             Project: Apache NiFi
          Issue Type: Sub-task
          Components: Core Framework, Documentation & Website, Extensions
            Reporter: Mark Payne


There are Processors that are known to be problematic if run from multiple 
nodes simultaneously. These processors should be able to use a @PrimaryNodeOnly 
annotation (or something similar) to indicate that they can be scheduled to run 
only on primary node if run in a cluster.



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