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https://issues.apache.org/jira/browse/NIFI-4089?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeff Storck reassigned NIFI-4089:
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Assignee: Jeff Storck
> Allow standalone NiFi to use ZooKeeper
> --------------------------------------
>
> Key: NIFI-4089
> URL: https://issues.apache.org/jira/browse/NIFI-4089
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Affects Versions: 1.3.0
> Reporter: Jeff Storck
> Assignee: Jeff Storck
> Priority: Minor
>
> NiFi, when running standalone, will not start an embedded ZooKeeper, and will
> ignore configuration to use an external ZooKeeper. While this saves the user
> from doing extra setup and conserves resources of the host on which NiFi is
> running when not running in a cluster, it may make moving this standalone
> node into a cluster more difficult since local state is not migrated to ZK.
> This may cause data to be reprocessed, since the most recent state of
> processing would not be present in ZK.
> If a user plans on eventually expanding a standalone NiFi into a cluster, it
> would be beneficial to allow a standalone NiFi to use ZK for as a state
> provider to make adding nodes to create a cluster easier.
> NIFI-4088 would be helpful in the scenario of migrating from a standalone
> NiFi to a cluster by allowing the migration of local state to ZK.
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