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Replication
Database Administrator
Replication questions
12 questions on Replication for database administrators, easiest first.
Easy
1
Why add a read replica
easy
Medium
5
Risk of asynchronous replication
medium
Measuring replica lag
medium
Reports cancelled on the replica
medium
Row vs statement binlog format
medium
Multi-AZ vs read replica on RDS
medium
Hard
6
Avoiding split-brain
hard
Disk filling with WAL
hard
Commits hang with sync replication
hard
Logical replication stopped after a migration
hard
Errant GTIDs block failover
hard
Rejoining the old primary
hard
