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A DB is down. How is your day going?
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It is quite interesting how AWS RDS operates under full-disk and how to recover from that. Long story short, take care about the 10% and the autoscaling, it might hit you hard on a 6 hour cooling-off period
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The root cause is the WAL logs when replicas are not working. Mindblowing. 🤯 I can share more with you later if you like!