[KUDU-2181] Multi-master config change support

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.15.0
• Component/s: consensus, master
• Labels: roadmap-candidate

Docs Text

Updated documentation: https://github.com/apache/kudu/blob/master/docs/administration.adoc#migrate_to_multi_master

• Assignee: Bankim Bhavsar
• Reporter: Mike Percy
• Created: 07/Oct/17 01:12
• Updated: 04/Jun/21 14:13
• Resolved: 04/Jun/21 14:13

Description

It would be very useful to add support to the Kudu master for dynamic config change. The current procedure for replacing a failed master is fairly arduous.

Issue Links

• is related to: KUDU-2913 Document how a freshly formatted master can rejoin its multi-master deployment
• is related to: KUDU-3182 'last_known_addr' is not specified for single master Raft configuration
• relates to: KUDU-3246 Add a test case for master removal when there are multiple masters with same HostPort
• relates to: KUDU-3250 Add a test case for accidental addition, removal and the re-addition of a master
• relates to: KUDU-3249 Add a test case for recovering a dead master at the same HostPort
• links to: Multi-master design doc