Jeff Storck created NIFI-4089:
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Summary: 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
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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