[MDEV-32993] Improve stability of node joining process Created: 2023-12-12  Updated: 2024-01-17

Status: Open
Project: MariaDB Server
Component/s: Galera
Affects Version/s: 10.4
Fix Version/s: 10.4

Type: Bug Priority: Critical
Reporter: Jan Lindström Assignee: Jan Lindström
Resolution: Unresolved Votes: 0
Labels: galera-library

Issue Links:
Blocks
blocks MDEV-30172 Galera test case cleanup Stalled
Relates

 Description   

Sometimes when 3rd (or more) nodes join a cluster concurrently, it could happen that joining fails and node goes non-primary.

Already fixed on Galera library 26.4.17 (not yet released) by commits

  • Improve stability of node joining process for gmcas (fd770ccd)
  • Improve stability of node joining process for EVS (dab7f277)

Known test cases affected:

  • galera_3nodes.galera_ipv6_mariabackup
  • galera_3nodes.galera_ipv6_mariabackup_section
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