Koji Kawamura created NIFI-2267:
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Summary: Provide a way for Processor to determine running NiFi
node type - standalone/clustered, primary/node
Key: NIFI-2267
URL: https://issues.apache.org/jira/browse/NIFI-2267
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Affects Versions: 1.0.0
Reporter: Koji Kawamura
Assignee: Koji Kawamura
Fix For: 1.0.0
Currently, there's no way for processor to understand if it's running on:
- Standalone or Cluster?
- If in a cluster, is it a Primary node or not?
There're processors that need this information to provide more cluster friendly
behavior, such as MonitorActivity.
@OnPrimaryNodeStateChange annotation is already available. However, it's
notified only when a primary node has been changed. So, If a processor is added
to an existing NiFi cluster, which has already one node elected as a primary
node, the processor is not notified, thus it won't be able to know it's a
primary node.
This ticket is meant for tracking the effort of adding such capability to
provide node type information.
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