[STORM-3725] DRPC spout will crash when any one of DRPC server is down

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.0.0, 2.1.0, 2.2.0
• Fix Version/s: 2.3.0
• Assignee: Rui Li
• Reporter: Rui Li
• Created: 17/Dec/20 19:15
• Updated: 22/Dec/20 15:26
• Resolved: 22/Dec/20 15:26

Description

The root cause is DRPC Spout does not handle drpc connections really asynchrously. Spout worker will not work unless all DRPC servers are up and running which leads to the SPOF.