nifi.properties: nifi.cluster.protocol.heartbeat.interval=5 sec nifi.cluster.node.protocol.threads=10 nifi.cluster.node.protocol.max.threads=50 nifi.cluster.node.event.history.size=25 nifi.cluster.node.connection.timeout=2 mins nifi.cluster.node.read.timeout=2 mins nifi.cluster.node.max.concurrent.requests=150 nifi.cluster.firewall.file= nifi.cluster.flow.election.max.wait.time=1 mins nifi.cluster.flow.election.max.candidates= nifi.cluster.load.balance.connections.per.node=4 nifi.cluster.load.balance.max.thread.count=12 nifi.zookeeper.connect.timeout=30 secs nifi.zookeeper.session.timeout=30 secs zookeeper.properties: initLimit=10 autopurge.purgeInterval=24 syncLimit=5 tickTime=2000 dataDir=./state/zookeeper autopurge.snapRetainCount=30 these are the properties related to nifi and zookeeper We are seeing below errors in logs all the time Node disconnected due to Proposed Authorizer is not inheritable by the Flow Controller because NiFi has already started the dataflow and Authorizer has differences: Proposed Authorizations do not match current Authorizations: Proposed fingerprint is not inheritable because the current access policies is not empty. Failed to connect node to cluster because local flow controller partially updated. Administrator should disconnect node and review flow for corruption ... View more