[HDDS-1454] GC other system pause events can trigger pipeline destroy for all the nodes in the cluster

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.4.1, 0.5.0
• Component/s: SCM
• Labels: MiniOzoneChaosCluster pull-request-available
• Target Version/s: 0.5.0
• Sprint: HDDS Biscayne
• Assignee: Supratim Deka
• Reporter: Mukul Kumar Singh
• Created: 23/Apr/19 09:00
• Updated: 05/Aug/19 14:45
• Resolved: 19/Jun/19 14:50

Description

In a MiniOzoneChaosCluster run it was observed that events like GC pauses or any other pauses in SCM can mark all the datanodes as stale in SCM. This will trigger multiple pipeline destroy and will render the system unusable.

Issue Links

• links to: GitHub Pull Request #852