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https://issues.apache.org/jira/browse/NIFI-14616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17954935#comment-17954935
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ASF subversion and git services commented on NIFI-14616:
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Commit 00d90033d9f6aae969691ab56c92869094c0233c in nifi's branch
refs/heads/main from Mark Payne
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=00d90033d9 ]
NIFI-14616 Added logging when Components are not being restarted when updating
Flow (#9977)
Signed-off-by: David Handermann <[email protected]>
> Improve logging around which components are stopped/restarted when updating
> flow
> --------------------------------------------------------------------------------
>
> Key: NIFI-14616
> URL: https://issues.apache.org/jira/browse/NIFI-14616
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> When we update a flow, such as a versioned flow update or inheriting cluster
> flow, we sometimes need to stop some components. Generally, we will want to
> then restart them. However, sometimes we don't need to. But this can be
> confusing leading to logs such as:
> {code:java}
> In order to inherit proposed dataflow, will stop any components that will be
> affected by the update
> Stopping the following components: ...
> Starting the following components: AffectedComponentSet[inputPorts=[],
> outputPorts=[], remoteInputPorts=[], remoteOutputPorts=[], processors=[],
> parameterProviders=[], flowRegistryClients=[], controllerServices=[],
> reportingTasks=[], flowAnalysisRules=[], statelessProcessGroups=[]] {code}
> In this case, we stopped some components, but we never started them again. It
> is not clear why we didn't start them. Did the cluster have the components
> marked as stopped? Do they no longer exist? Etc. For any component that was
> running before the flow update, we should log the reason that we are not
> restarting it.
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