Mark Payne created NIFI-10848:
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Summary: Need ability to clear framework state
Key: NIFI-10848
URL: https://issues.apache.org/jira/browse/NIFI-10848
Project: Apache NiFi
Issue Type: New Feature
Components: Core Framework
Reporter: Mark Payne
We need the ability to clear the NiFi Framework's state. Currently, we store
local state using a single Write-Ahead Log for all components, including
framework. Users are able to right-click on a component such as a Processor and
click "View state" and then "Clear state." However, there's no way to do this
for the framework.
This can be important when troubleshooting. For example, if a node is suddenly
removed and cannot be contacted, we may want to clear all cluster state and
restart NiFi. Currently, there's no way to do that other than to delete the
local state directory. Deleting that directory, however, will clear state for
all components.
Potential options would include:
* Separate out the storage of state into individual directories for each
component
* Separate out storage of state into 'framework' and 'extensions'
* Keep state storage as-is and introduce something into toolkit that allows
updating the write-ahead log to clear state
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