Mark Payne created NIFI-10943:
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Summary: Provide additional information in the Cluster Diagnostics
Task
Key: NIFI-10943
URL: https://issues.apache.org/jira/browse/NIFI-10943
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Reporter: Mark Payne
When a user runs diagnostics tasks ( {{{}bin/nifi.sh diagnostics
<filename>{}}}) the output has many details, including cluster information. But
the cluster information is fairly minimal. We should gather and provide more
information here, especially around node disconnections.
For example, how many times has each node disconnected/reconnected to the
cluster?
What was the reason for each of the disconnection/reconnections?
What were the timestamps so that those events can be correlated with other
events that may have been occurring during that time?
How many times has the node lost connection to ZooKeeper since startup? When
was the last time?
What's the max/max/average time taken to heartbeat over the last hour?
And any other diagnostics information that could be relevant for diagnosing
cluster disconnection issues.
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