[BEAM-14487] Make Drain a terminal state.

• Type: Improvement
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.40.0
• Component/s: sdk-go
• Assignee: Robert Burke
• Reporter: Robert Burke
• Created: 19/May/22 05:09
• Updated: 19/May/22 23:00
• Resolved: 19/May/22 23:00

Description

Until recently, there have been no unbounded PCollections in the Go SDK, and only Dataflow supports drain.

Either way, drain is a terminal state, and should cause any monitoring program to halt, rather query perpetually.

Issue Links

• links to: GitHub Pull Request #17710