[NIFI-2363] CLUSTER scope state should be viewed/cleared from primary node

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.0.0
• Component/s: Core Framework
• Assignee: Koji Kawamura
• Reporter: Koji Kawamura
• Created: 22/Jul/16 15:51
• Updated: 06/Feb/17 05:49

Description

Currently, every node in a NiFi cluster retrieves or clears CLUSTER scope state when user view/clear component state from NiFi UI.
Since the cluster-wide state is shared the same value among nodes, those operation should be executed only from a primary node.

See this discussion for detail:
https://github.com/apache/nifi/pull/563#issuecomment-231393086

Issue Links

• blocks: NIFI-2078 State management for processors whose states are managed externally
• relates to: NIFI-2364 Node shouldn't be disconnected from a cluster when clear component state operation gets error related to underlying data source

Sub-Tasks

• Node shouldn't be disconnected from a cluster when clear component state operation gets error related to underlying data source: Open