IvoryTechies · Break the Database
Module 1: Primary Crash & Failover
PostgreSQL 18 · 1 primary + 2 streaming replicas. Crash it, then bring the app back with minimum data loss.
Downtime
0.0s
Committed tx
0
Tx lost
0
Cluster
💥 Crash primary
Hint
Reset lab
Mission
SSH into
pg-01
pg-02
pg-03
SQL runs in psql automatically · type
help
postgres@pg-02:~$
Event log
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